The remote host is affected by the vulnerability described in GLSA-201412-27 (Ruby: Denial of Service)
Multiple vulnerabilities have been discovered in Ruby. Please review the CVE identifiers referenced below for details.
Impact :
A context-dependent attacker could possibly execute arbitrary code with the privileges of the process, cause a Denial of Service condition, or bypass security restrictions.
Workaround :
There is no known workaround at this time.
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Reported by Drew Yao.\n\nCVE-2011-2686\n\nReinitialize the random seed when forking to prevent CVE-2003-0900 like \nsituations.\n\nCVE-2011-2705 \n \nModify PRNG state to prevent random number sequence repeatation at forked \nchild process which has same pid. Reported by Eric Wong.\n\nCVE-2011-4815\n\nFix a problem with predictable hash collisions resulting in denial of service \n(CPU consumption) attacks. Reported by Alexander Klink and Julian Waelde.\n\nCVE-2014-8080\n\nFix REXML parser to prevent memory consumption denial of service via crafted \nXML documents. Reported by Willis Vandevanter.\n\nCVE-2014-8090\n\nAdd REXML::Document#document to complement the fix for CVE-2014-8080.\nReported by Tomas Hoger.\nAttachment:\nsignature.asc\nDescription: This is a digitally signed message part.\n", "cvss3": {}, "published": "2014-11-21T15:18:14", "type": "debian", "title": "[SECURITY] [DLA 88-1] ruby1.8 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2003-0900", "CVE-2011-0188", "CVE-2011-2686", "CVE-2011-2705", "CVE-2011-4815", "CVE-2014-8080", "CVE-2014-8090"], "modified": "2014-11-21T15:18:14", "id": "DEBIAN:DLA-88-1:4DC9E", "href": "https://lists.debian.org/debian-lts-announce/2014/11/msg00007.html", "cvss": {"score": 7.8, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2021-10-23T22:35:32", "description": "Package : ruby1.8\nVersion : 1.8.7.302-2squeeze3\nCVE ID : CVE-2011-0188 CVE-2011-2686 CVE-2011-2705 CVE-2011-4815\n CVE-2014-8080 CVE-2014-8090\n\nThis update fixes multiple local and remote denial of service and remote code\nexecute problems:\n\nCVE-2011-0188 \n \nProperly allocate memory, to prevent arbitrary code execution or application \ncrash. Reported by Drew Yao.\n\nCVE-2011-2686\n\nReinitialize the random seed when forking to prevent CVE-2003-0900 like \nsituations.\n\nCVE-2011-2705 \n \nModify PRNG state to prevent random number sequence repeatation at forked \nchild process which has same pid. Reported by Eric Wong.\n\nCVE-2011-4815\n\nFix a problem with predictable hash collisions resulting in denial of service \n(CPU consumption) attacks. Reported by Alexander Klink and Julian Waelde.\n\nCVE-2014-8080\n\nFix REXML parser to prevent memory consumption denial of service via crafted \nXML documents. Reported by Willis Vandevanter.\n\nCVE-2014-8090\n\nAdd REXML::Document#document to complement the fix for CVE-2014-8080.\nReported by Tomas Hoger.\nAttachment:\nsignature.asc\nDescription: This is a digitally signed message part.\n", "cvss3": {}, "published": "2014-11-21T15:18:14", "type": "debian", "title": "[SECURITY] [DLA 88-1] ruby1.8 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2003-0900", "CVE-2011-0188", "CVE-2011-2686", "CVE-2011-2705", "CVE-2011-4815", "CVE-2014-8080", "CVE-2014-8090"], "modified": "2014-11-21T15:18:14", "id": "DEBIAN:DLA-88-1:B6B6B", "href": "https://lists.debian.org/debian-lts-announce/2014/11/msg00007.html", "cvss": {"score": 7.8, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2021-10-21T22:49:38", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-3159-1 security@debian.org\nhttp://www.debian.org/security/ Alessandro Ghedini\nFebruary 10, 2015 http://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : ruby1.8\nCVE ID : CVE-2014-8080 CVE-2014-8090\n\nIt was discovered that the REXML parser, part of the interpreter for the\nRuby language, could be coerced into allocating large string objects that\ncould consume all available memory on the system. This could allow remote\nattackers to cause a denial of service (crash).\n\nFor the stable distribution (wheezy), this problem has been fixed in version\n1.8.7.358-7.1+deb7u2.\n\nFor the upcoming stable distribution (jessie), this problem has been fixed in\nversion 2.1.5-1 of the ruby2.1 source package.\n\nFor the unstable distribution (sid), this problem has been fixed in version\n2.1.5-1 of the ruby2.1 source package.\n\nWe recommend that you upgrade your ruby1.8 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": {}, "published": "2015-02-10T17:49:21", "type": "debian", "title": "[SECURITY] [DSA 3159-1] ruby1.8 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2014-8080", "CVE-2014-8090"], "modified": "2015-02-10T17:49:21", "id": "DEBIAN:DSA-3159-1:E4038", "href": "https://lists.debian.org/debian-security-announce/2015/msg00044.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-10-23T22:29:43", "description": "Package : ruby1.9.1\nVersion : 1.9.2.0-2+deb6u3\nCVE ID : CVE-2014-4975 CVE-2014-8080 CVE-2014-8090\n\nCVE-2014-4975\n\n The encodes() function in pack.c had an off-by-one error that could\n lead to a stack-based buffer overflow. This could allow remote\n attackers to cause a denial of service (crash) or arbitrary code\n execution.\n\nCVE-2014-8080, CVE-2014-8090\n\n The REXML parser could be coerced into allocating large string\n objects that could consume all available memory on the system. This\n could allow remote attackers to cause a denial of service (crash).", "cvss3": {}, "published": "2015-04-15T18:17:59", "type": "debian", "title": "[SECURITY] [DLA 200-1] ruby1.9.1 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2014-4975", "CVE-2014-8080", "CVE-2014-8090"], "modified": "2015-04-15T18:17:59", "id": "DEBIAN:DLA-200-1:A49C4", "href": "https://lists.debian.org/debian-lts-announce/2015/04/msg00013.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2021-10-21T22:49:44", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-3157-1 security@debian.org\nhttp://www.debian.org/security/ Alessandro Ghedini\nFebruary 09, 2015 http://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : ruby1.9.1\nCVE ID : CVE-2014-4975 CVE-2014-8080 CVE-2014-8090\n\nMultiple vulnerabilities were discovered in the interpreter for the Ruby\nlanguage:\n\nCVE-2014-4975\n\n The encodes() function in pack.c had an off-by-one error that could\n lead to a stack-based buffer overflow. This could allow remote\n attackers to cause a denial of service (crash) or arbitrary code\n execution.\n\nCVE-2014-8080, CVE-2014-8090\n\n The REXML parser could be coerced into allocating large string\n objects that could consume all available memory on the system. This\n could allow remote attackers to cause a denial of service (crash).\n\nFor the stable distribution (wheezy), these problems have been fixed in\nversion 1.9.3.194-8.1+deb7u3.\n\nFor the upcoming stable distribution (jessie), these problems have been\nfixed in version 2.1.5-1 of the ruby2.1 source package.\n\nFor the unstable distribution (sid), these problems have been fixed in\nversion 2.1.5-1 of the ruby2.1 source package.\n\nWe recommend that you upgrade your ruby1.9.1 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": {}, "published": "2015-02-09T17:10:22", "type": "debian", "title": "[SECURITY] [DSA 3157-1] ruby1.9.1 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2014-4975", "CVE-2014-8080", "CVE-2014-8090"], "modified": "2015-02-09T17:10:22", "id": "DEBIAN:DSA-3157-1:362C4", "href": "https://lists.debian.org/debian-security-announce/2015/msg00042.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2021-12-08T00:35:29", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-2809-1 security@debian.org\nhttp://www.debian.org/security/ Salvatore Bonaccorso\nDecember 04, 2013 http://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : ruby1.8\nVulnerability : several\nProblem type : remote\nDebian-specific: no\nCVE ID : CVE-2013-1821 CVE-2013-4073 CVE-2013-4164\nDebian Bug : 702526 714541 730189\n\nSeveral vulnerabilities have been discovered in the interpreter for the\nRuby language. The Common Vulnerabilities and Exposures project\nidentifies the following problems:\n\nCVE-2013-1821\n\n Ben Murphy discovered that unrestricted entity expansion in REXML\n can lead to a Denial of Service by consuming all host memory.\n\nCVE-2013-4073\n\n William (B.J.) Snow Orvis discovered a vulnerability in the hostname\n checking in Ruby's SSL client that could allow man-in-the-middle\n attackers to spoof SSL servers via a crafted certificate issued by a\n trusted certification authority.\n\nCVE-2013-4164\n\n Charlie Somerville discovered that Ruby incorrectly handled floating\n point number conversion. If an application using Ruby accepted\n untrusted input strings and converted them to floating point\n numbers, an attacker able to provide such input could cause the\n application to crash or, possibly, execute arbitrary code with the\n privileges of the application.\n\nFor the oldstable distribution (squeeze), these problems have been fixed in\nversion 1.8.7.302-2squeeze2.\n\nFor the stable distribution (wheezy), these problems have been fixed in\nversion 1.8.7.358-7.1+deb7u1.\n\nFor the unstable distribution (sid), these problems have been fixed in\nversion 1.8.7.358-9.\n\nWe recommend that you upgrade your ruby1.8 packages.\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: http://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {}, "published": "2013-12-04T21:28:11", "type": "debian", "title": "[SECURITY] [DSA 2809-1] ruby1.8 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2013-1821", "CVE-2013-4073", "CVE-2013-4164"], "modified": "2013-12-04T21:28:11", "id": "DEBIAN:DSA-2809-1:8D55D", "href": "https://lists.debian.org/debian-security-announce/2013/msg00223.html", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-21T23:25:56", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-2809-1 security@debian.org\nhttp://www.debian.org/security/ Salvatore Bonaccorso\nDecember 04, 2013 http://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : ruby1.8\nVulnerability : several\nProblem type : remote\nDebian-specific: no\nCVE ID : CVE-2013-1821 CVE-2013-4073 CVE-2013-4164\nDebian Bug : 702526 714541 730189\n\nSeveral vulnerabilities have been discovered in the interpreter for the\nRuby language. The Common Vulnerabilities and Exposures project\nidentifies the following problems:\n\nCVE-2013-1821\n\n Ben Murphy discovered that unrestricted entity expansion in REXML\n can lead to a Denial of Service by consuming all host memory.\n\nCVE-2013-4073\n\n William (B.J.) Snow Orvis discovered a vulnerability in the hostname\n checking in Ruby's SSL client that could allow man-in-the-middle\n attackers to spoof SSL servers via a crafted certificate issued by a\n trusted certification authority.\n\nCVE-2013-4164\n\n Charlie Somerville discovered that Ruby incorrectly handled floating\n point number conversion. If an application using Ruby accepted\n untrusted input strings and converted them to floating point\n numbers, an attacker able to provide such input could cause the\n application to crash or, possibly, execute arbitrary code with the\n privileges of the application.\n\nFor the oldstable distribution (squeeze), these problems have been fixed in\nversion 1.8.7.302-2squeeze2.\n\nFor the stable distribution (wheezy), these problems have been fixed in\nversion 1.8.7.358-7.1+deb7u1.\n\nFor the unstable distribution (sid), these problems have been fixed in\nversion 1.8.7.358-9.\n\nWe recommend that you upgrade your ruby1.8 packages.\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: http://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {}, "published": "2013-12-04T21:28:11", "type": "debian", "title": "[SECURITY] [DSA 2809-1] ruby1.8 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2013-1821", "CVE-2013-4073", "CVE-2013-4164"], "modified": "2013-12-04T21:28:11", "id": "DEBIAN:DSA-2809-1:4D0F8", "href": "https://lists.debian.org/debian-security-announce/2013/msg00223.html", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "nessus": [{"lastseen": "2023-01-11T14:58:22", "description": "Two vulnerabilities were identified in the Ruby language interpreter, version 1.9.1.\n\nCVE-2012-5371\n\nJean-Philippe Aumasson identified that Ruby computed hash values without properly restricting the ability to trigger hash collisions predictably, allowing context-dependent attackers to cause a denial of service (CPU consumption). This is a different vulnerability than CVE-2011-4815.\n\nCVE-2013-0269\n\nThomas Hollstegge and Ben Murphy found that the JSON gem for Ruby allowed remote attackers to cause a denial of service (resource consumption) or bypass the mass assignment protection mechanism via a crafted JSON document that triggers the creation of arbitrary Ruby symbols or certain internal objects.\n\nFor the squeeze distribution, theses vulnerabilities have been fixed in version 1.9.2.0-2+deb6u5 of ruby1.9.1. We recommend that you upgrade your ruby1.9.1 package.\n\nNOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "cvss3": {}, "published": "2015-07-02T00:00:00", "type": "nessus", "title": "Debian DLA-263-1 : ruby1.9.1 security update", "bulletinFamily": "scanner", "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, "obtainUserPrivilege": false}, "cvelist": ["CVE-2011-4815", "CVE-2012-5371", "CVE-2013-0269"], "modified": "2021-01-11T00:00:00", "cpe": ["p-cpe:/a:debian:debian_linux:libruby1.9.1", "p-cpe:/a:debian:debian_linux:libruby1.9.1-dbg", "p-cpe:/a:debian:debian_linux:libtcltk-ruby1.9.1", "p-cpe:/a:debian:debian_linux:ri1.9.1", "p-cpe:/a:debian:debian_linux:ruby1.9.1", "p-cpe:/a:debian:debian_linux:ruby1.9.1-dev", "p-cpe:/a:debian:debian_linux:ruby1.9.1-elisp", "p-cpe:/a:debian:debian_linux:ruby1.9.1-examples", "p-cpe:/a:debian:debian_linux:ruby1.9.1-full", "cpe:/o:debian:debian_linux:6.0"], "id": "DEBIAN_DLA-263.NASL", "href": "https://www.tenable.com/plugins/nessus/84494", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from Debian Security Advisory DLA-263-1. 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GLSA-201412-27 : Ruby: Denial of Service
