This release adds the new Apache HTTP Server 2.4.29 packages that are part
of the JBoss Core Services offering.
This release serves as a replacement for Red Hat JBoss Core Services
Apache HTTP Server 2.4.23, and includes bug fixes and enhancements. Refer
to the Release Notes for information on the most significant bug fixes,
enhancements and component upgrades included in this release.
Security Fix(es):
* expat: Out-of-bounds heap read on crafted input causing crash (CVE-2016-0718)
* curl: escape and unescape integer overflows (CVE-2016-7167)
* curl: Cookie injection for other servers (CVE-2016-8615)
* curl: Case insensitive password comparison (CVE-2016-8616)
* curl: Out-of-bounds write via unchecked multiplication (CVE-2016-8617)
* curl: Double-free in curl_maprintf (CVE-2016-8618)
* curl: Double-free in krb5 code (CVE-2016-8619)
* curl: curl_getdate out-of-bounds read (CVE-2016-8621)
* curl: URL unescape heap overflow via integer truncation (CVE-2016-8622)
* curl: Use-after-free via shared cookies (CVE-2016-8623)
* curl: Invalid URL parsing with '#' (CVE-2016-8624)
* curl: IDNA 2003 makes curl use wrong host (CVE-2016-8625)
* libxml2: out-of-bounds read (unfixed CVE-2016-4483 in JBCS) (CVE-2016-9598)
* pcre: Out-of-bounds read in compile_bracket_matchingpath function (8.41/3) (CVE-2017-6004)
* pcre: Invalid Unicode property lookup (8.41/7, 10.24/2) (CVE-2017-7186)
* pcre: invalid memory read in_pcre32_xclass (pcre_xclass.c) (CVE-2017-7244)
* pcre: stack-based buffer overflow write in pcre32_copy_substring (CVE-2017-7245)
* pcre: stack-based buffer overflow write in pcre32_copy_substring (CVE-2017-7246)
* curl: FTP PWD response parser out of bounds read (CVE-2017-1000254)
* curl: IMAP FETCH response out of bounds read (CVE-2017-1000257)
* curl: Heap-based buffer overflow in Curl_smtp_escape_eob() when uploading data over SMTP (CVE-2018-0500)
Details around this issue, including information about the CVE, severity of
the issue, and the CVSS score can be found on the CVE page listed in the
Reference section below.
The following packages have been upgraded to a newer upstream version:
* Curl (7.57.0)
* OpenSSL (1.0.2n)
* Expat (2.2.5)
* PCRE (8.41)
* libxml2 (2.9.7)
Acknowledgements:
CVE-2017-1000254: Red Hat would like to thank Daniel Stenberg for reporting this issue.
Upstream acknowledges Max Dymond as the original reporter.
CVE-2017-1000257: Red Hat would like to thank the Curl project for reporting this issue. Upstream acknowledges Brian Carpenter, (the OSS-Fuzz project) as the original reporter.
CVE-2018-0500: Red Hat would like to thank the Curl project for reporting this issue.
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(CVE-2019-20838)\n\n - libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.\n (CVE-2020-14155)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version\nnumber.\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1025709\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1030066\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1030803\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1030805\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1030807\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1172973\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1172974\");\n script_set_attribute(attribute:\"see_also\", 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See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.1.2.2017.1069\");\n script_version(\"2020-01-23T10:47:56+0000\");\n script_cve_id(\"CVE-2016-9318\");\n script_tag(name:\"cvss_base\", value:\"6.8\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:M/Au:N/C:P/I:P/A:P\");\n script_tag(name:\"last_modification\", value:\"2020-01-23 10:47:56 +0000 (Thu, 23 Jan 2020)\");\n script_tag(name:\"creation_date\", value:\"2020-01-23 10:47:56 +0000 (Thu, 23 Jan 2020)\");\n script_name(\"Huawei EulerOS: Security Advisory for libxml2 (EulerOS-SA-2017-1069)\");\n script_category(ACT_GATHER_INFO);\n script_copyright(\"Copyright (C) 2020 Greenbone Networks GmbH\");\n script_family(\"Huawei EulerOS Local Security Checks\");\n script_dependencies(\"gb_huawei_euleros_consolidation.nasl\");\n script_mandatory_keys(\"ssh/login/euleros\", \"ssh/login/rpms\", re:\"ssh/login/release=EULEROS-2\\.0SP1\");\n\n script_xref(name:\"EulerOS-SA\", value:\"2017-1069\");\n script_xref(name:\"URL\", value:\"https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2017-1069\");\n\n script_tag(name:\"summary\", value:\"The remote host is missing an update for the Huawei EulerOS\n 'libxml2' package(s) announced via the EulerOS-SA-2017-1069 advisory.\");\n\n script_tag(name:\"vuldetect\", value:\"Checks if a vulnerable package version is present on the target host.\");\n\n script_tag(name:\"insight\", value:\"libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attackers to conduct XML External Entity (XXE) attacks via a crafted document(CVE-2016-9318)\");\n\n script_tag(name:\"affected\", value:\"'libxml2' package(s) on Huawei EulerOS V2.0SP1.\");\n\n script_tag(name:\"solution\", value:\"Please install the updated package(s).\");\n\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-rpm.inc\");\n\nrelease = rpm_get_ssh_release();\nif(!release)\n exit(0);\n\nres = \"\";\nreport = \"\";\n\nif(release == \"EULEROS-2.0SP1\") {\n\n if(!isnull(res = isrpmvuln(pkg:\"libxml2\", rpm:\"libxml2~2.9.1~6.3.h1\", rls:\"EULEROS-2.0SP1\"))) {\n report += res;\n }\n\n if(!isnull(res = isrpmvuln(pkg:\"libxml2-devel\", rpm:\"libxml2-devel~2.9.1~6.3.h1\", rls:\"EULEROS-2.0SP1\"))) {\n report += res;\n }\n\n if(!isnull(res = isrpmvuln(pkg:\"libxml2-python\", rpm:\"libxml2-python~2.9.1~6.3.h1\", rls:\"EULEROS-2.0SP1\"))) {\n report += res;\n }\n\n if(report != \"\") {\n security_message(data:report);\n } else if (__pkg_match) {\n exit(99);\n }\n exit(0);\n}\n\nexit(0);", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "archlinux": [{"lastseen": "2023-06-03T14:53:00", "description": "Arch Linux Security Advisory ASA-201611-9\n=========================================\n\nSeverity: High\nDate : 2016-11-03\nCVE-ID : CVE-2016-8615 CVE-2016-8616 CVE-2016-8617 CVE-2016-8619\nCVE-2016-8621 CVE-2016-8622 CVE-2016-8623 CVE-2016-8624\nCVE-2016-8625\nPackage : libcurl-gnutls\nType : multiple issues\nRemote : Yes\nLink : https://wiki.archlinux.org/index.php/CVE\n\nSummary\n=======\n\nThe package libcurl-gnutls before version 7.51.0-1 is vulnerable to\nmultiple issues including arbitrary code execution, content spoofing,\ninformation disclosure, insufficient validation and authentication\nbypass.\n\nResolution\n==========\n\nUpgrade to 7.51.0-1.\n\n# pacman -Syu \"libcurl-gnutls>=7.51.0-1\"\n\nThe problems have been fixed upstream in version 7.51.0.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2016-8615 (content spoofing)\n\nIf cookie state is written into a cookie jar file that is later read\nback and used for subsequent requests, a malicious HTTP server can\ninject new cookies for arbitrary domains into said cookie jar.\n\nThe issue pertains to the function that loads cookies into memory,\nwhich reads the specified file into a fixed-size buffer in a line-by-\nline manner using the fgets() function. If an invocation of fgets()\ncannot read the whole line into the destination buffer due to it being\ntoo small, it truncates the output. This way, a very long cookie (name\n+ value) sent by a malicious server would be stored in the file and\nsubsequently that cookie could be read partially and crafted correctly,\nit could be treated as a different cookie for another server.\n\n- CVE-2016-8616 (authentication bypass)\n\nWhen re-using a connection, curl was doing case insensitive comparisons\nof user name and password with the existing connections.\n\nThis means that if an unused connection with proper credentials exists\nfor a protocol that has connection-scoped credentials, an attacker can\ncause that connection to be reused if s/he knows the case-insensitive\nversion of the correct password.\n\n- CVE-2016-8617 (arbitrary code execution)\n\nIn libcurl's base64 encode function, the output buffer is allocated as\nfollows without any checks on insize:\n\nmalloc( insize * 4 / 3 + 4 )\nOn systems with 32-bit addresses in userspace (e.g. x86, ARM, x32), the\nmultiplication in the expression wraps around if insize is at least 1GB\nof data. If this happens, an undersized output buffer will be\nallocated, but the full result will be written, thus causing the memory\nbehind the output buffer to be overwritten.\n\nIf a username is set directly via CURLOPT_USERNAME (or curl's -u,\n--user option), this vulnerability can be triggered. The name has to be\nat least 512MB big in a 32bit system.\n\nSystems with 64 bit versions of the size_t type are not affected by\nthis issue.\n\n- CVE-2016-8619 (arbitrary code execution)\n\nIn curl's implementation of the Kerberos authentication mechanism, the\nfunction read_data() in security.c is used to fill the necessary krb5\nstructures. When reading one of the length fields from the socket, it\nfails to ensure that the length parameter passed to realloc() is not\nset to 0.\n\nThis would lead to realloc() getting called with a zero size and when\ndoing so realloc() returns NULL and frees the memory - in contrary to\nnormal realloc() fails where it only returns NULL - causing libcurl to\nfree the memory again in the error path.\n\nThis flaw could be triggered by a malicious or just otherwise ill-\nbehaving server.\n\n- CVE-2016-8621 (information disclosure)\n\nThe curl_getdate converts a given date string into a numerical\ntimestamp and it supports a range of different formats and possibilites\nto express a date and time. The underlying date parsing function is\nalso used internally when parsing for example HTTP cookies (possibly\nreceived from remote servers) and it can be used when doing conditional\nHTTP requests.\n\nThe date parser function uses the libc sscanf() function at two places,\nwith the parsing strings \"%02d:%02d\" and \"\"%02d:%02d:%02d\". The intent\nbeing that it would parse either a string with HH:MM (two digits colon\ntwo digits) or HH:MM:SS (two digits colon two digits colon two digits).\nIf instead the piece of time that was sent in had the final digit cut\noff, thus ending with a single-digit, the date parser code would\nadvance its read pointer one byte too much and end up reading out of\nbounds.\n\n- CVE-2016-8622 (arbitrary code execution)\n\nThe URL percent-encoding decode function in libcurl is called\ncurl_easy_unescape. Internally, even if this function would be made to\nallocate a unscape destination buffer larger than 2GB, it would return\nthat new length in a signed 32 bit integer variable, thus the length\nwould get either just truncated or both truncated and turned negative.\nThat could then lead to libcurl writing outside of its heap based\nbuffer.\n\nThis can be triggered by a user on a 64bit system if the user can send\nin a custom (very large) URL to a libcurl using program.\n\n- CVE-2016-8623 (arbitrary code execution)\n\nlibcurl explicitly allows users to share cookies between multiple easy\nhandles that are concurrently employed by different threads.\nWhen cookies to be sent to a server are collected, the matching\nfunction collects all cookies to send and the cookie lock is released\nimmediately afterwards. That function however only returns a list with\nreferences back to the original strings for name, value, path and so\non. Therefore, if another thread quickly takes the lock and frees one\nof the original cookie structs together with its strings, a use-after-\nfree can occur possibly leading to arbitrary code execution. Another\nthread can also replace the contents of the cookies from separate HTTP\nresponses or API calls.\n\n- CVE-2016-8624 (insufficient validation)\n\ncurl doesn't parse the authority component of the URL correctly when\nthe host name part ends with a '#' character, and could instead be\ntricked into connecting to a different host. This may have security\nimplications if you for example use a URL parser that follows the RFC\nto check for allowed domains before using curl to request them.\n\nPassing in http://example.com#@evil.com/x.txt would wrongly make curl\nsend a request to evil.com while your browser would connect to\nexample.com given the same URL.\n\nThe problem exists for most protocol schemes.\n\n- CVE-2016-8625 (insufficient validation)\n\nWhen curl is built with libidn to handle International Domain Names\n(IDNA), it translates them to puny code for DNS resolving using the\nIDNA 2003 standard, while IDNA 2008 is the modern and up-to-date IDNA\nstandard. This misalignment causes problems with for example domains\nusing the German \u00df character (known as the Unicode Character 'LATIN\nSMALL LETTER SHARP S') which is used at times in the .de TLD and is\ntranslated differently in the two IDNA standards, leading to users\npotentially and unknowingly issuing network transfer requests to the\nwrong host.\n\nFor example, stra\u00dfe.de is translated into strasse.de using IDNA 2003\nbut is translated into xn--strae-oqa.de using IDNA 2008. Needless to\nsay, those host names could very well resolve to different addresses\nand be two completely independent servers. IDNA 2008 is mandatory for\n.de domains.\n\nThis name problem exists for DNS-using protocols in curl, but only when\nbuilt to use libidn.\n\nImpact\n======\n\nA remote attacker is able to execute arbitrary code, inject cookies for\narbitrary domains and disclose sensitive information via various\nvectors.\n\nReferences\n==========\n\nhttps://curl.haxx.se/changes.html#7_51_0\nhttps://curl.haxx.se/docs/adv_20161102A.html\nhttps://curl.haxx.se/docs/adv_20161102B.html\nhttps://curl.haxx.se/docs/adv_20161102C.html\nhttps://curl.haxx.se/docs/adv_20161102E.html\nhttps://curl.haxx.se/docs/adv_20161102G.html\nhttps://curl.haxx.se/docs/adv_20161102H.html\nhttps://curl.haxx.se/docs/adv_20161102I.html\nhttps://curl.haxx.se/docs/adv_20161102J.html\nhttps://curl.haxx.se/docs/adv_20161102K.html\nhttps://access.redhat.com/security/cve/CVE-2016-8615\nhttps://access.redhat.com/security/cve/CVE-2016-8616\nhttps://access.redhat.com/security/cve/CVE-2016-8617\nhttps://access.redhat.com/security/cve/CVE-2016-8619\nhttps://access.redhat.com/security/cve/CVE-2016-8621\nhttps://access.redhat.com/security/cve/CVE-2016-8622\nhttps://access.redhat.com/security/cve/CVE-2016-8623\nhttps://access.redhat.com/security/cve/CVE-2016-8624\nhttps://access.redhat.com/security/cve/CVE-2016-8625", "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": "2016-11-03T00:00:00", "type": "archlinux", "title": "[ASA-201611-9] libcurl-gnutls: multiple issues", "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-2016-8615", "CVE-2016-8616", "CVE-2016-8617", "CVE-2016-8619", "CVE-2016-8621", "CVE-2016-8622", "CVE-2016-8623", "CVE-2016-8624", "CVE-2016-8625"], "modified": "2016-11-03T00:00:00", "id": "ASA-201611-9", "href": "https://security.archlinux.org/ASA-201611-9", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-03T14:53:00", "description": "Arch Linux Security Advisory ASA-201611-8\n=========================================\n\nSeverity: High\nDate : 2016-11-03\nCVE-ID : CVE-2016-8615 CVE-2016-8616 CVE-2016-8617 CVE-2016-8619\nCVE-2016-8621 CVE-2016-8622 CVE-2016-8623 CVE-2016-8624\nCVE-2016-8625\nPackage : libcurl-compat\nType : multiple issues\nRemote : Yes\nLink : https://wiki.archlinux.org/index.php/CVE\n\nSummary\n=======\n\nThe package libcurl-compat before version 7.51.0-1 is vulnerable to\nmultiple issues including arbitrary code execution, content spoofing,\ninformation disclosure, insufficient validation and authentication\nbypass.\n\nResolution\n==========\n\nUpgrade to 7.51.0-1.\n\n# pacman -Syu \"libcurl-compat>=7.51.0-1\"\n\nThe problems have been fixed upstream in version 7.51.0.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2016-8615 (content spoofing)\n\nIf cookie state is written into a cookie jar file that is later read\nback and used for subsequent requests, a malicious HTTP server can\ninject new cookies for arbitrary domains into said cookie jar.\n\nThe issue pertains to the function that loads cookies into memory,\nwhich reads the specified file into a fixed-size buffer in a line-by-\nline manner using the fgets() function. If an invocation of fgets()\ncannot read the whole line into the destination buffer due to it being\ntoo small, it truncates the output. This way, a very long cookie (name\n+ value) sent by a malicious server would be stored in the file and\nsubsequently that cookie could be read partially and crafted correctly,\nit could be treated as a different cookie for another server.\n\n- CVE-2016-8616 (authentication bypass)\n\nWhen re-using a connection, curl was doing case insensitive comparisons\nof user name and password with the existing connections.\n\nThis means that if an unused connection with proper credentials exists\nfor a protocol that has connection-scoped credentials, an attacker can\ncause that connection to be reused if s/he knows the case-insensitive\nversion of the correct password.\n\n- CVE-2016-8617 (arbitrary code execution)\n\nIn libcurl's base64 encode function, the output buffer is allocated as\nfollows without any checks on insize:\n\nmalloc( insize * 4 / 3 + 4 )\nOn systems with 32-bit addresses in userspace (e.g. x86, ARM, x32), the\nmultiplication in the expression wraps around if insize is at least 1GB\nof data. If this happens, an undersized output buffer will be\nallocated, but the full result will be written, thus causing the memory\nbehind the output buffer to be overwritten.\n\nIf a username is set directly via CURLOPT_USERNAME (or curl's -u,\n--user option), this vulnerability can be triggered. The name has to be\nat least 512MB big in a 32bit system.\n\nSystems with 64 bit versions of the size_t type are not affected by\nthis issue.\n\n- CVE-2016-8619 (arbitrary code execution)\n\nIn curl's implementation of the Kerberos authentication mechanism, the\nfunction read_data() in security.c is used to fill the necessary krb5\nstructures. When reading one of the length fields from the socket, it\nfails to ensure that the length parameter passed to realloc() is not\nset to 0.\n\nThis would lead to realloc() getting called with a zero size and when\ndoing so realloc() returns NULL and frees the memory - in contrary to\nnormal realloc() fails where it only returns NULL - causing libcurl to\nfree the memory again in the error path.\n\nThis flaw could be triggered by a malicious or just otherwise ill-\nbehaving server.\n\n- CVE-2016-8621 (information disclosure)\n\nThe curl_getdate converts a given date string into a numerical\ntimestamp and it supports a range of different formats and possibilites\nto express a date and time. The underlying date parsing function is\nalso used internally when parsing for example HTTP cookies (possibly\nreceived from remote servers) and it can be used when doing conditional\nHTTP requests.\n\nThe date parser function uses the libc sscanf() function at two places,\nwith the parsing strings \"%02d:%02d\" and \"\"%02d:%02d:%02d\". The intent\nbeing that it would parse either a string with HH:MM (two digits colon\ntwo digits) or HH:MM:SS (two digits colon two digits colon two digits).\nIf instead the piece of time that was sent in had the final digit cut\noff, thus ending with a single-digit, the date parser code would\nadvance its read pointer one byte too much and end up reading out of\nbounds.\n\n- CVE-2016-8622 (arbitrary code execution)\n\nThe URL percent-encoding decode function in libcurl is called\ncurl_easy_unescape. Internally, even if this function would be made to\nallocate a unscape destination buffer larger than 2GB, it would return\nthat new length in a signed 32 bit integer variable, thus the length\nwould get either just truncated or both truncated and turned negative.\nThat could then lead to libcurl writing outside of its heap based\nbuffer.\n\nThis can be triggered by a user on a 64bit system if the user can send\nin a custom (very large) URL to a libcurl using program.\n\n- CVE-2016-8623 (arbitrary code execution)\n\nlibcurl explicitly allows users to share cookies between multiple easy\nhandles that are concurrently employed by different threads.\nWhen cookies to be sent to a server are collected, the matching\nfunction collects all cookies to send and the cookie lock is released\nimmediately afterwards. That function however only returns a list with\nreferences back to the original strings for name, value, path and so\non. Therefore, if another thread quickly takes the lock and frees one\nof the original cookie structs together with its strings, a use-after-\nfree can occur possibly leading to arbitrary code execution. Another\nthread can also replace the contents of the cookies from separate HTTP\nresponses or API calls.\n\n- CVE-2016-8624 (insufficient validation)\n\ncurl doesn't parse the authority component of the URL correctly when\nthe host name part ends with a '#' character, and could instead be\ntricked into connecting to a different host. This may have security\nimplications if you for example use a URL parser that follows the RFC\nto check for allowed domains before using curl to request them.\n\nPassing in http://example.com#@evil.com/x.txt would wrongly make curl\nsend a request to evil.com while your browser would connect to\nexample.com given the same URL.\n\nThe problem exists for most protocol schemes.\n\n- CVE-2016-8625 (insufficient validation)\n\nWhen curl is built with libidn to handle International Domain Names\n(IDNA), it translates them to puny code for DNS resolving using the\nIDNA 2003 standard, while IDNA 2008 is the modern and up-to-date IDNA\nstandard. This misalignment causes problems with for example domains\nusing the German \u00df character (known as the Unicode Character 'LATIN\nSMALL LETTER SHARP S') which is used at times in the .de TLD and is\ntranslated differently in the two IDNA standards, leading to users\npotentially and unknowingly issuing network transfer requests to the\nwrong host.\n\nFor example, stra\u00dfe.de is translated into strasse.de using IDNA 2003\nbut is translated into xn--strae-oqa.de using IDNA 2008. Needless to\nsay, those host names could very well resolve to different addresses\nand be two completely independent servers. IDNA 2008 is mandatory for\n.de domains.\n\nThis name problem exists for DNS-using protocols in curl, but only when\nbuilt to use libidn.\n\nImpact\n======\n\nA remote attacker is able to execute arbitrary code, inject cookies for\narbitrary domains and disclose sensitive information via various\nvectors.\n\nReferences\n==========\n\nhttps://curl.haxx.se/changes.html#7_51_0\nhttps://curl.haxx.se/docs/adv_20161102A.html\nhttps://curl.haxx.se/docs/adv_20161102B.html\nhttps://curl.haxx.se/docs/adv_20161102C.html\nhttps://curl.haxx.se/docs/adv_20161102E.html\nhttps://curl.haxx.se/docs/adv_20161102G.html\nhttps://curl.haxx.se/docs/adv_20161102H.html\nhttps://curl.haxx.se/docs/adv_20161102I.html\nhttps://curl.haxx.se/docs/adv_20161102J.html\nhttps://curl.haxx.se/docs/adv_20161102K.html\nhttps://access.redhat.com/security/cve/CVE-2016-8615\nhttps://access.redhat.com/security/cve/CVE-2016-8616\nhttps://access.redhat.com/security/cve/CVE-2016-8617\nhttps://access.redhat.com/security/cve/CVE-2016-8619\nhttps://access.redhat.com/security/cve/CVE-2016-8621\nhttps://access.redhat.com/security/cve/CVE-2016-8622\nhttps://access.redhat.com/security/cve/CVE-2016-8623\nhttps://access.redhat.com/security/cve/CVE-2016-8624\nhttps://access.redhat.com/security/cve/CVE-2016-8625", "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": "2016-11-03T00:00:00", "type": "archlinux", "title": "[ASA-201611-8] libcurl-compat: multiple issues", "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-2016-8615", "CVE-2016-8616", "CVE-2016-8617", "CVE-2016-8619", "CVE-2016-8621", "CVE-2016-8622", "CVE-2016-8623", "CVE-2016-8624", "CVE-2016-8625"], "modified": "2016-11-03T00:00:00", "id": "ASA-201611-8", "href": "https://security.archlinux.org/ASA-201611-8", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-03T14:53:01", "description": "Arch Linux Security Advisory ASA-201611-5\n=========================================\n\nSeverity: High\nDate : 2016-11-02\nCVE-ID : CVE-2016-8615 CVE-2016-8616 CVE-2016-8617 CVE-2016-8618\nCVE-2016-8619 CVE-2016-8621 CVE-2016-8623 CVE-2016-8624\nCVE-2016-8625\nPackage : lib32-libcurl-compat\nType : multiple issues\nRemote : Yes\nLink : https://wiki.archlinux.org/index.php/CVE\n\nSummary\n=======\n\nThe package lib32-libcurl-compat before version 7.51.0-1 is vulnerable\nto multiple issues including arbitrary code execution, content\nspoofing, information disclosure, insufficient validation and\nauthentication bypass.\n\nResolution\n==========\n\nUpgrade to 7.51.0-1.\n\n# pacman -Syu \"lib32-libcurl-compat>=7.51.0-1\"\n\nThe problems have been fixed upstream in version 7.51.0.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2016-8615 (content spoofing)\n\nIf cookie state is written into a cookie jar file that is later read\nback and used for subsequent requests, a malicious HTTP server can\ninject new cookies for arbitrary domains into said cookie jar.\n\nThe issue pertains to the function that loads cookies into memory,\nwhich reads the specified file into a fixed-size buffer in a line-by-\nline manner using the fgets() function. If an invocation of fgets()\ncannot read the whole line into the destination buffer due to it being\ntoo small, it truncates the output. This way, a very long cookie (name\n+ value) sent by a malicious server would be stored in the file and\nsubsequently that cookie could be read partially and crafted correctly,\nit could be treated as a different cookie for another server.\n\n- CVE-2016-8616 (authentication bypass)\n\nWhen re-using a connection, curl was doing case insensitive comparisons\nof user name and password with the existing connections.\n\nThis means that if an unused connection with proper credentials exists\nfor a protocol that has connection-scoped credentials, an attacker can\ncause that connection to be reused if s/he knows the case-insensitive\nversion of the correct password.\n\n- CVE-2016-8617 (arbitrary code execution)\n\nIn libcurl's base64 encode function, the output buffer is allocated as\nfollows without any checks on insize:\n\nmalloc( insize * 4 / 3 + 4 )\nOn systems with 32-bit addresses in userspace (e.g. x86, ARM, x32), the\nmultiplication in the expression wraps around if insize is at least 1GB\nof data. If this happens, an undersized output buffer will be\nallocated, but the full result will be written, thus causing the memory\nbehind the output buffer to be overwritten.\n\nIf a username is set directly via CURLOPT_USERNAME (or curl's -u,\n--user option), this vulnerability can be triggered. The name has to be\nat least 512MB big in a 32bit system.\n\nSystems with 64 bit versions of the size_t type are not affected by\nthis issue.\n\n- CVE-2016-8618 (arbitrary code execution)\n\nThe libcurl API function called curl_maprintf() can be tricked into\ndoing a double-free due to an unsafe size_t multiplication, on systems\nusing 32 bit size_t variables. The function is also used internally in\nnumerous situations.\n\nThe function doubles an allocated memory area with realloc() and allows\nthe size to wrap and become zero and when doing so realloc() returns\nNULL and frees the memory - in contrary to normal realloc() fails where\nit only returns NULL - causing libcurl to free the memory again in the\nerror path.\n\nThis behavior is triggerable using the publicly exposed function.\nSystems with 64 bit versions of the size_t type are not affected by\nthis issue.\n\n- CVE-2016-8619 (arbitrary code execution)\n\nIn curl's implementation of the Kerberos authentication mechanism, the\nfunction read_data() in security.c is used to fill the necessary krb5\nstructures. When reading one of the length fields from the socket, it\nfails to ensure that the length parameter passed to realloc() is not\nset to 0.\n\nThis would lead to realloc() getting called with a zero size and when\ndoing so realloc() returns NULL and frees the memory - in contrary to\nnormal realloc() fails where it only returns NULL - causing libcurl to\nfree the memory again in the error path.\n\nThis flaw could be triggered by a malicious or just otherwise ill-\nbehaving server.\n\n- CVE-2016-8621 (information disclosure)\n\nThe curl_getdate converts a given date string into a numerical\ntimestamp and it supports a range of different formats and possibilites\nto express a date and time. The underlying date parsing function is\nalso used internally when parsing for example HTTP cookies (possibly\nreceived from remote servers) and it can be used when doing conditional\nHTTP requests.\n\nThe date parser function uses the libc sscanf() function at two places,\nwith the parsing strings \"%02d:%02d\" and \"\"%02d:%02d:%02d\". The intent\nbeing that it would parse either a string with HH:MM (two digits colon\ntwo digits) or HH:MM:SS (two digits colon two digits colon two digits).\nIf instead the piece of time that was sent in had the final digit cut\noff, thus ending with a single-digit, the date parser code would\nadvance its read pointer one byte too much and end up reading out of\nbounds.\n\n- CVE-2016-8623 (arbitrary code execution)\n\nlibcurl explicitly allows users to share cookies between multiple easy\nhandles that are concurrently employed by different threads.\nWhen cookies to be sent to a server are collected, the matching\nfunction collects all cookies to send and the cookie lock is released\nimmediately afterwards. That function however only returns a list with\nreferences back to the original strings for name, value, path and so\non. Therefore, if another thread quickly takes the lock and frees one\nof the original cookie structs together with its strings, a use-after-\nfree can occur possibly leading to arbitrary code execution. Another\nthread can also replace the contents of the cookies from separate HTTP\nresponses or API calls.\n\n- CVE-2016-8624 (insufficient validation)\n\ncurl doesn't parse the authority component of the URL correctly when\nthe host name part ends with a '#' character, and could instead be\ntricked into connecting to a different host. This may have security\nimplications if you for example use a URL parser that follows the RFC\nto check for allowed domains before using curl to request them.\n\nPassing in http://example.com#@evil.com/x.txt would wrongly make curl\nsend a request to evil.com while your browser would connect to\nexample.com given the same URL.\n\nThe problem exists for most protocol schemes.\n\n- CVE-2016-8625 (insufficient validation)\n\nWhen curl is built with libidn to handle International Domain Names\n(IDNA), it translates them to puny code for DNS resolving using the\nIDNA 2003 standard, while IDNA 2008 is the modern and up-to-date IDNA\nstandard. This misalignment causes problems with for example domains\nusing the German \u00df character (known as the Unicode Character 'LATIN\nSMALL LETTER SHARP S') which is used at times in the .de TLD and is\ntranslated differently in the two IDNA standards, leading to users\npotentially and unknowingly issuing network transfer requests to the\nwrong host.\n\nFor example, stra\u00dfe.de is translated into strasse.de using IDNA 2003\nbut is translated into xn--strae-oqa.de using IDNA 2008. Needless to\nsay, those host names could very well resolve to different addresses\nand be two completely independent servers. IDNA 2008 is mandatory for\n.de domains.\n\nThis name problem exists for DNS-using protocols in curl, but only when\nbuilt to use libidn.\n\nImpact\n======\n\nA remote attacker is able to execute arbitrary code, inject cookies for\narbitrary domains and disclose sensitive information via various\nvectors.\n\nReferences\n==========\n\nhttps://curl.haxx.se/changes.html#7_51_0\nhttps://curl.haxx.se/docs/adv_20161102A.html\nhttps://curl.haxx.se/docs/adv_20161102B.html\nhttps://curl.haxx.se/docs/adv_20161102C.html\nhttps://curl.haxx.se/docs/adv_20161102D.html\nhttps://curl.haxx.se/docs/adv_20161102E.html\nhttps://curl.haxx.se/docs/adv_20161102G.html\nhttps://curl.haxx.se/docs/adv_20161102I.html\nhttps://curl.haxx.se/docs/adv_20161102J.html\nhttps://curl.haxx.se/docs/adv_20161102K.html\nhttps://access.redhat.com/security/cve/CVE-2016-8615\nhttps://access.redhat.com/security/cve/CVE-2016-8616\nhttps://access.redhat.com/security/cve/CVE-2016-8617\nhttps://access.redhat.com/security/cve/CVE-2016-8618\nhttps://access.redhat.com/security/cve/CVE-2016-8619\nhttps://access.redhat.com/security/cve/CVE-2016-8621\nhttps://access.redhat.com/security/cve/CVE-2016-8623\nhttps://access.redhat.com/security/cve/CVE-2016-8624\nhttps://access.redhat.com/security/cve/CVE-2016-8625", "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": "2016-11-02T00:00:00", "type": "archlinux", "title": "[ASA-201611-5] lib32-libcurl-compat: multiple issues", "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, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-8615", "CVE-2016-8616", "CVE-2016-8617", "CVE-2016-8618", "CVE-2016-8619", "CVE-2016-8621", "CVE-2016-8623", "CVE-2016-8624", "CVE-2016-8625"], "modified": "2016-11-02T00:00:00", "id": "ASA-201611-5", "href": "https://security.archlinux.org/ASA-201611-5", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-03T14:53:00", "description": "Arch Linux Security Advisory ASA-201611-10\n==========================================\n\nSeverity: High\nDate : 2016-11-03\nCVE-ID : CVE-2016-8615 CVE-2016-8616 CVE-2016-8617 CVE-2016-8618\nCVE-2016-8619 CVE-2016-8621 CVE-2016-8623 CVE-2016-8624\nCVE-2016-8625\nPackage : lib32-libcurl-gnutls\nType : multiple issues\nRemote : Yes\nLink : https://wiki.archlinux.org/index.php/CVE\n\nSummary\n=======\n\nThe package lib32-libcurl-gnutls before version 7.51.0-1 is vulnerable\nto multiple issues including arbitrary code execution, content\nspoofing, information disclosure, insufficient validation and\nauthentication bypass.\n\nResolution\n==========\n\nUpgrade to 7.51.0-1.\n\n# pacman -Syu \"lib32-libcurl-gnutls>=7.51.0-1\"\n\nThe problems have been fixed upstream in version 7.51.0.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2016-8615 (content spoofing)\n\nIf cookie state is written into a cookie jar file that is later read\nback and used for subsequent requests, a malicious HTTP server can\ninject new cookies for arbitrary domains into said cookie jar.\n\nThe issue pertains to the function that loads cookies into memory,\nwhich reads the specified file into a fixed-size buffer in a line-by-\nline manner using the fgets() function. If an invocation of fgets()\ncannot read the whole line into the destination buffer due to it being\ntoo small, it truncates the output. This way, a very long cookie (name\n+ value) sent by a malicious server would be stored in the file and\nsubsequently that cookie could be read partially and crafted correctly,\nit could be treated as a different cookie for another server.\n\n- CVE-2016-8616 (authentication bypass)\n\nWhen re-using a connection, curl was doing case insensitive comparisons\nof user name and password with the existing connections.\n\nThis means that if an unused connection with proper credentials exists\nfor a protocol that has connection-scoped credentials, an attacker can\ncause that connection to be reused if s/he knows the case-insensitive\nversion of the correct password.\n\n- CVE-2016-8617 (arbitrary code execution)\n\nIn libcurl's base64 encode function, the output buffer is allocated as\nfollows without any checks on insize:\n\nmalloc( insize * 4 / 3 + 4 )\nOn systems with 32-bit addresses in userspace (e.g. x86, ARM, x32), the\nmultiplication in the expression wraps around if insize is at least 1GB\nof data. If this happens, an undersized output buffer will be\nallocated, but the full result will be written, thus causing the memory\nbehind the output buffer to be overwritten.\n\nIf a username is set directly via CURLOPT_USERNAME (or curl's -u,\n--user option), this vulnerability can be triggered. The name has to be\nat least 512MB big in a 32bit system.\n\nSystems with 64 bit versions of the size_t type are not affected by\nthis issue.\n\n- CVE-2016-8618 (arbitrary code execution)\n\nThe libcurl API function called curl_maprintf() can be tricked into\ndoing a double-free due to an unsafe size_t multiplication, on systems\nusing 32 bit size_t variables. The function is also used internally in\nnumerous situations.\n\nThe function doubles an allocated memory area with realloc() and allows\nthe size to wrap and become zero and when doing so realloc() returns\nNULL and frees the memory - in contrary to normal realloc() fails where\nit only returns NULL - causing libcurl to free the memory again in the\nerror path.\n\nThis behavior is triggerable using the publicly exposed function.\nSystems with 64 bit versions of the size_t type are not affected by\nthis issue.\n\n- CVE-2016-8619 (arbitrary code execution)\n\nIn curl's implementation of the Kerberos authentication mechanism, the\nfunction read_data() in security.c is used to fill the necessary krb5\nstructures. When reading one of the length fields from the socket, it\nfails to ensure that the length parameter passed to realloc() is not\nset to 0.\n\nThis would lead to realloc() getting called with a zero size and when\ndoing so realloc() returns NULL and frees the memory - in contrary to\nnormal realloc() fails where it only returns NULL - causing libcurl to\nfree the memory again in the error path.\n\nThis flaw could be triggered by a malicious or just otherwise ill-\nbehaving server.\n\n- CVE-2016-8621 (information disclosure)\n\nThe curl_getdate converts a given date string into a numerical\ntimestamp and it supports a range of different formats and possibilites\nto express a date and time. The underlying date parsing function is\nalso used internally when parsing for example HTTP cookies (possibly\nreceived from remote servers) and it can be used when doing conditional\nHTTP requests.\n\nThe date parser function uses the libc sscanf() function at two places,\nwith the parsing strings \"%02d:%02d\" and \"\"%02d:%02d:%02d\". The intent\nbeing that it would parse either a string with HH:MM (two digits colon\ntwo digits) or HH:MM:SS (two digits colon two digits colon two digits).\nIf instead the piece of time that was sent in had the final digit cut\noff, thus ending with a single-digit, the date parser code would\nadvance its read pointer one byte too much and end up reading out of\nbounds.\n\n- CVE-2016-8623 (arbitrary code execution)\n\nlibcurl explicitly allows users to share cookies between multiple easy\nhandles that are concurrently employed by different threads.\nWhen cookies to be sent to a server are collected, the matching\nfunction collects all cookies to send and the cookie lock is released\nimmediately afterwards. That function however only returns a list with\nreferences back to the original strings for name, value, path and so\non. Therefore, if another thread quickly takes the lock and frees one\nof the original cookie structs together with its strings, a use-after-\nfree can occur possibly leading to arbitrary code execution. Another\nthread can also replace the contents of the cookies from separate HTTP\nresponses or API calls.\n\n- CVE-2016-8624 (insufficient validation)\n\ncurl doesn't parse the authority component of the URL correctly when\nthe host name part ends with a '#' character, and could instead be\ntricked into connecting to a different host. This may have security\nimplications if you for example use a URL parser that follows the RFC\nto check for allowed domains before using curl to request them.\n\nPassing in http://example.com#@evil.com/x.txt would wrongly make curl\nsend a request to evil.com while your browser would connect to\nexample.com given the same URL.\n\nThe problem exists for most protocol schemes.\n\n- CVE-2016-8625 (insufficient validation)\n\nWhen curl is built with libidn to handle International Domain Names\n(IDNA), it translates them to puny code for DNS resolving using the\nIDNA 2003 standard, while IDNA 2008 is the modern and up-to-date IDNA\nstandard. This misalignment causes problems with for example domains\nusing the German \u00df character (known as the Unicode Character 'LATIN\nSMALL LETTER SHARP S') which is used at times in the .de TLD and is\ntranslated differently in the two IDNA standards, leading to users\npotentially and unknowingly issuing network transfer requests to the\nwrong host.\n\nFor example, stra\u00dfe.de is translated into strasse.de using IDNA 2003\nbut is translated into xn--strae-oqa.de using IDNA 2008. Needless to\nsay, those host names could very well resolve to different addresses\nand be two completely independent servers. IDNA 2008 is mandatory for\n.de domains.\n\nThis name problem exists for DNS-using protocols in curl, but only when\nbuilt to use libidn.\n\nImpact\n======\n\nA remote attacker is able to execute arbitrary code, inject cookies for\narbitrary domains and disclose sensitive information via various\nvectors.\n\nReferences\n==========\n\nhttps://curl.haxx.se/changes.html#7_51_0\nhttps://curl.haxx.se/docs/adv_20161102A.html\nhttps://curl.haxx.se/docs/adv_20161102B.html\nhttps://curl.haxx.se/docs/adv_20161102C.html\nhttps://curl.haxx.se/docs/adv_20161102D.html\nhttps://curl.haxx.se/docs/adv_20161102E.html\nhttps://curl.haxx.se/docs/adv_20161102G.html\nhttps://curl.haxx.se/docs/adv_20161102I.html\nhttps://curl.haxx.se/docs/adv_20161102J.html\nhttps://curl.haxx.se/docs/adv_20161102K.html\nhttps://access.redhat.com/security/cve/CVE-2016-8615\nhttps://access.redhat.com/security/cve/CVE-2016-8616\nhttps://access.redhat.com/security/cve/CVE-2016-8617\nhttps://access.redhat.com/security/cve/CVE-2016-8618\nhttps://access.redhat.com/security/cve/CVE-2016-8619\nhttps://access.redhat.com/security/cve/CVE-2016-8621\nhttps://access.redhat.com/security/cve/CVE-2016-8623\nhttps://access.redhat.com/security/cve/CVE-2016-8624\nhttps://access.redhat.com/security/cve/CVE-2016-8625", "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": "2016-11-03T00:00:00", "type": "archlinux", "title": "[ASA-201611-10] lib32-libcurl-gnutls: multiple issues", "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, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-8615", "CVE-2016-8616", "CVE-2016-8617", "CVE-2016-8618", "CVE-2016-8619", "CVE-2016-8621", "CVE-2016-8623", "CVE-2016-8624", "CVE-2016-8625"], "modified": "2016-11-03T00:00:00", "id": "ASA-201611-10", "href": "https://security.archlinux.org/ASA-201611-10", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-03T14:53:01", "description": "Arch Linux Security Advisory ASA-201611-4\n=========================================\n\nSeverity: High\nDate : 2016-11-02\nCVE-ID : CVE-2016-8615 CVE-2016-8616 CVE-2016-8617 CVE-2016-8618\nCVE-2016-8619 CVE-2016-8621 CVE-2016-8623 CVE-2016-8624\nCVE-2016-8625\nPackage : lib32-curl\nType : multiple issues\nRemote : Yes\nLink : https://wiki.archlinux.org/index.php/CVE\n\nSummary\n=======\n\nThe package lib32-curl before version 7.51.0-1 is vulnerable to\nmultiple issues including arbitrary code execution, content spoofing,\ninformation disclosure, insufficient validation and authentication\nbypass.\n\nResolution\n==========\n\nUpgrade to 7.51.0-1.\n\n# pacman -Syu \"lib32-curl>=7.51.0-1\"\n\nThe problems have been fixed upstream in version 7.51.0.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2016-8615 (content spoofing)\n\nIf cookie state is written into a cookie jar file that is later read\nback and used for subsequent requests, a malicious HTTP server can\ninject new cookies for arbitrary domains into said cookie jar.\n\nThe issue pertains to the function that loads cookies into memory,\nwhich reads the specified file into a fixed-size buffer in a line-by-\nline manner using the fgets() function. If an invocation of fgets()\ncannot read the whole line into the destination buffer due to it being\ntoo small, it truncates the output. This way, a very long cookie (name\n+ value) sent by a malicious server would be stored in the file and\nsubsequently that cookie could be read partially and crafted correctly,\nit could be treated as a different cookie for another server.\n\n- CVE-2016-8616 (authentication bypass)\n\nWhen re-using a connection, curl was doing case insensitive comparisons\nof user name and password with the existing connections.\n\nThis means that if an unused connection with proper credentials exists\nfor a protocol that has connection-scoped credentials, an attacker can\ncause that connection to be reused if s/he knows the case-insensitive\nversion of the correct password.\n\n- CVE-2016-8617 (arbitrary code execution)\n\nIn libcurl's base64 encode function, the output buffer is allocated as\nfollows without any checks on insize:\n\nmalloc( insize * 4 / 3 + 4 )\nOn systems with 32-bit addresses in userspace (e.g. x86, ARM, x32), the\nmultiplication in the expression wraps around if insize is at least 1GB\nof data. If this happens, an undersized output buffer will be\nallocated, but the full result will be written, thus causing the memory\nbehind the output buffer to be overwritten.\n\nIf a username is set directly via CURLOPT_USERNAME (or curl's -u,\n--user option), this vulnerability can be triggered. The name has to be\nat least 512MB big in a 32bit system.\n\nSystems with 64 bit versions of the size_t type are not affected by\nthis issue.\n\n- CVE-2016-8618 (arbitrary code execution)\n\nThe libcurl API function called curl_maprintf() can be tricked into\ndoing a double-free due to an unsafe size_t multiplication, on systems\nusing 32 bit size_t variables. The function is also used internally in\nnumerous situations.\n\nThe function doubles an allocated memory area with realloc() and allows\nthe size to wrap and become zero and when doing so realloc() returns\nNULL and frees the memory - in contrary to normal realloc() fails where\nit only returns NULL - causing libcurl to free the memory again in the\nerror path.\n\nThis behavior is triggerable using the publicly exposed function.\nSystems with 64 bit versions of the size_t type are not affected by\nthis issue.\n\n- CVE-2016-8619 (arbitrary code execution)\n\nIn curl's implementation of the Kerberos authentication mechanism, the\nfunction read_data() in security.c is used to fill the necessary krb5\nstructures. When reading one of the length fields from the socket, it\nfails to ensure that the length parameter passed to realloc() is not\nset to 0.\n\nThis would lead to realloc() getting called with a zero size and when\ndoing so realloc() returns NULL and frees the memory - in contrary to\nnormal realloc() fails where it only returns NULL - causing libcurl to\nfree the memory again in the error path.\n\nThis flaw could be triggered by a malicious or just otherwise ill-\nbehaving server.\n\n- CVE-2016-8621 (information disclosure)\n\nThe curl_getdate converts a given date string into a numerical\ntimestamp and it supports a range of different formats and possibilites\nto express a date and time. The underlying date parsing function is\nalso used internally when parsing for example HTTP cookies (possibly\nreceived from remote servers) and it can be used when doing conditional\nHTTP requests.\n\nThe date parser function uses the libc sscanf() function at two places,\nwith the parsing strings \"%02d:%02d\" and \"\"%02d:%02d:%02d\". The intent\nbeing that it would parse either a string with HH:MM (two digits colon\ntwo digits) or HH:MM:SS (two digits colon two digits colon two digits).\nIf instead the piece of time that was sent in had the final digit cut\noff, thus ending with a single-digit, the date parser code would\nadvance its read pointer one byte too much and end up reading out of\nbounds.\n\n- CVE-2016-8623 (arbitrary code execution)\n\nlibcurl explicitly allows users to share cookies between multiple easy\nhandles that are concurrently employed by different threads.\nWhen cookies to be sent to a server are collected, the matching\nfunction collects all cookies to send and the cookie lock is released\nimmediately afterwards. That function however only returns a list with\nreferences back to the original strings for name, value, path and so\non. Therefore, if another thread quickly takes the lock and frees one\nof the original cookie structs together with its strings, a use-after-\nfree can occur possibly leading to arbitrary code execution. Another\nthread can also replace the contents of the cookies from separate HTTP\nresponses or API calls.\n\n- CVE-2016-8624 (insufficient validation)\n\ncurl doesn't parse the authority component of the URL correctly when\nthe host name part ends with a '#' character, and could instead be\ntricked into connecting to a different host. This may have security\nimplications if you for example use a URL parser that follows the RFC\nto check for allowed domains before using curl to request them.\n\nPassing in http://example.com#@evil.com/x.txt would wrongly make curl\nsend a request to evil.com while your browser would connect to\nexample.com given the same URL.\n\nThe problem exists for most protocol schemes.\n\n- CVE-2016-8625 (insufficient validation)\n\nWhen curl is built with libidn to handle International Domain Names\n(IDNA), it translates them to puny code for DNS resolving using the\nIDNA 2003 standard, while IDNA 2008 is the modern and up-to-date IDNA\nstandard. This misalignment causes problems with for example domains\nusing the German \u00df character (known as the Unicode Character 'LATIN\nSMALL LETTER SHARP S') which is used at times in the .de TLD and is\ntranslated differently in the two IDNA standards, leading to users\npotentially and unknowingly issuing network transfer requests to the\nwrong host.\n\nFor example, stra\u00dfe.de is translated into strasse.de using IDNA 2003\nbut is translated into xn--strae-oqa.de using IDNA 2008. Needless to\nsay, those host names could very well resolve to different addresses\nand be two completely independent servers. IDNA 2008 is mandatory for\n.de domains.\n\nThis name problem exists for DNS-using protocols in curl, but only when\nbuilt to use libidn.\n\nImpact\n======\n\nA remote attacker is able to execute arbitrary code, inject cookies for\narbitrary domains and disclose sensitive information via various vectors.\n\nReferences\n==========\n\nhttps://curl.haxx.se/changes.html#7_51_0\nhttps://curl.haxx.se/docs/adv_20161102A.html\nhttps://curl.haxx.se/docs/adv_20161102B.html\nhttps://curl.haxx.se/docs/adv_20161102C.html\nhttps://curl.haxx.se/docs/adv_20161102D.html\nhttps://curl.haxx.se/docs/adv_20161102E.html\nhttps://curl.haxx.se/docs/adv_20161102G.html\nhttps://curl.haxx.se/docs/adv_20161102I.html\nhttps://curl.haxx.se/docs/adv_20161102J.html\nhttps://curl.haxx.se/docs/adv_20161102K.html\nhttps://access.redhat.com/security/cve/CVE-2016-8615\nhttps://access.redhat.com/security/cve/CVE-2016-8616\nhttps://access.redhat.com/security/cve/CVE-2016-8617\nhttps://access.redhat.com/security/cve/CVE-2016-8618\nhttps://access.redhat.com/security/cve/CVE-2016-8619\nhttps://access.redhat.com/security/cve/CVE-2016-8621\nhttps://access.redhat.com/security/cve/CVE-2016-8623\nhttps://access.redhat.com/security/cve/CVE-2016-8624\nhttps://access.redhat.com/security/cve/CVE-2016-8625", "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": "2016-11-02T00:00:00", "type": "archlinux", "title": "[ASA-201611-4] lib32-curl: multiple issues", "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, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-8615", "CVE-2016-8616", "CVE-2016-8617", "CVE-2016-8618", "CVE-2016-8619", "CVE-2016-8621", "CVE-2016-8623", "CVE-2016-8624", "CVE-2016-8625"], "modified": "2016-11-02T00:00:00", "id": "ASA-201611-4", "href": "https://security.archlinux.org/ASA-201611-4", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-03T14:53:01", "description": "Arch Linux Security Advisory ASA-201611-7\n=========================================\n\nSeverity: High\nDate : 2016-11-03\nCVE-ID : CVE-2016-8615 CVE-2016-8616 CVE-2016-8617 CVE-2016-8619\nCVE-2016-8620 CVE-2016-8621 CVE-2016-8622 CVE-2016-8623\nCVE-2016-8624 CVE-2016-8625\nPackage : curl\nType : multiple issues\nRemote : Yes\nLink : https://wiki.archlinux.org/index.php/CVE\n\nSummary\n=======\n\nThe package curl before version 7.51.0-1 is vulnerable to multiple\nissues including arbitrary code execution, content spoofing,\ninformation disclosure, insufficient validation and authentication\nbypass.\n\nResolution\n==========\n\nUpgrade to 7.51.0-1.\n\n# pacman -Syu \"curl>=7.51.0-1\"\n\nThe problems have been fixed upstream in version 7.51.0.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2016-8615 (content spoofing)\n\nIf cookie state is written into a cookie jar file that is later read\nback and used for subsequent requests, a malicious HTTP server can\ninject new cookies for arbitrary domains into said cookie jar.\n\nThe issue pertains to the function that loads cookies into memory,\nwhich reads the specified file into a fixed-size buffer in a line-by-\nline manner using the fgets() function. If an invocation of fgets()\ncannot read the whole line into the destination buffer due to it being\ntoo small, it truncates the output. This way, a very long cookie (name\n+ value) sent by a malicious server would be stored in the file and\nsubsequently that cookie could be read partially and crafted correctly,\nit could be treated as a different cookie for another server.\n\n- CVE-2016-8616 (authentication bypass)\n\nWhen re-using a connection, curl was doing case insensitive comparisons\nof user name and password with the existing connections.\n\nThis means that if an unused connection with proper credentials exists\nfor a protocol that has connection-scoped credentials, an attacker can\ncause that connection to be reused if s/he knows the case-insensitive\nversion of the correct password.\n\n- CVE-2016-8617 (arbitrary code execution)\n\nIn libcurl's base64 encode function, the output buffer is allocated as\nfollows without any checks on insize:\n\nmalloc( insize * 4 / 3 + 4 )\nOn systems with 32-bit addresses in userspace (e.g. x86, ARM, x32), the\nmultiplication in the expression wraps around if insize is at least 1GB\nof data. If this happens, an undersized output buffer will be\nallocated, but the full result will be written, thus causing the memory\nbehind the output buffer to be overwritten.\n\nIf a username is set directly via CURLOPT_USERNAME (or curl's -u,\n--user option), this vulnerability can be triggered. The name has to be\nat least 512MB big in a 32bit system.\n\nSystems with 64 bit versions of the size_t type are not affected by\nthis issue.\n\n- CVE-2016-8619 (arbitrary code execution)\n\nIn curl's implementation of the Kerberos authentication mechanism, the\nfunction read_data() in security.c is used to fill the necessary krb5\nstructures. When reading one of the length fields from the socket, it\nfails to ensure that the length parameter passed to realloc() is not\nset to 0.\n\nThis would lead to realloc() getting called with a zero size and when\ndoing so realloc() returns NULL and frees the memory - in contrary to\nnormal realloc() fails where it only returns NULL - causing libcurl to\nfree the memory again in the error path.\n\nThis flaw could be triggered by a malicious or just otherwise ill-\nbehaving server.\n\n- CVE-2016-8620 (arbitrary code execution)\n\nThe curl tool's \"globbing\" feature allows a user to specify a numerical\nrange through which curl will iterate. It is typically specified as\n[1-5], specifying the first and the last numbers in the range. Or with\n[a-z], using letters.\n\nThe curl code for parsing the second unsigned number did not check for\na leading minus character, which allowed a user to specify [1--1] with\nno complaints and have the latter -1 number get turned into the largest\nunsigned long value the system can handle. This would ultimately cause\ncurl to write outside the dedicated malloced buffer after no less than\n100,000 iterations, since it would have room for 5 digits but not 6.\n\nWhen the range is specified with letters, and the ending letter is left\nout [L-], the code would still advance its read pointer 5 bytes even if\nthe string was just 4 bytes and end up reading outside the given\nbuffer.\n\nThis flaw exists only in the curl tool, not in the libcurl library.\n\n- CVE-2016-8621 (information disclosure)\n\nThe curl_getdate converts a given date string into a numerical\ntimestamp and it supports a range of different formats and possibilites\nto express a date and time. The underlying date parsing function is\nalso used internally when parsing for example HTTP cookies (possibly\nreceived from remote servers) and it can be used when doing conditional\nHTTP requests.\n\nThe date parser function uses the libc sscanf() function at two places,\nwith the parsing strings \"%02d:%02d\" and \"\"%02d:%02d:%02d\". The intent\nbeing that it would parse either a string with HH:MM (two digits colon\ntwo digits) or HH:MM:SS (two digits colon two digits colon two digits).\nIf instead the piece of time that was sent in had the final digit cut\noff, thus ending with a single-digit, the date parser code would\nadvance its read pointer one byte too much and end up reading out of\nbounds.\n\n- CVE-2016-8622 (arbitrary code execution)\n\nThe URL percent-encoding decode function in libcurl is called\ncurl_easy_unescape. Internally, even if this function would be made to\nallocate a unscape destination buffer larger than 2GB, it would return\nthat new length in a signed 32 bit integer variable, thus the length\nwould get either just truncated or both truncated and turned negative.\nThat could then lead to libcurl writing outside of its heap based\nbuffer.\n\nThis can be triggered by a user on a 64bit system if the user can send\nin a custom (very large) URL to a libcurl using program.\n\n- CVE-2016-8623 (arbitrary code execution)\n\nlibcurl explicitly allows users to share cookies between multiple easy\nhandles that are concurrently employed by different threads.\nWhen cookies to be sent to a server are collected, the matching\nfunction collects all cookies to send and the cookie lock is released\nimmediately afterwards. That function however only returns a list with\nreferences back to the original strings for name, value, path and so\non. Therefore, if another thread quickly takes the lock and frees one\nof the original cookie structs together with its strings, a use-after-\nfree can occur possibly leading to arbitrary code execution. Another\nthread can also replace the contents of the cookies from separate HTTP\nresponses or API calls.\n\n- CVE-2016-8624 (insufficient validation)\n\ncurl doesn't parse the authority component of the URL correctly when\nthe host name part ends with a '#' character, and could instead be\ntricked into connecting to a different host. This may have security\nimplications if you for example use a URL parser that follows the RFC\nto check for allowed domains before using curl to request them.\n\nPassing in http://example.com#@evil.com/x.txt would wrongly make curl\nsend a request to evil.com while your browser would connect to\nexample.com given the same URL.\n\nThe problem exists for most protocol schemes.\n\n- CVE-2016-8625 (insufficient validation)\n\nWhen curl is built with libidn to handle International Domain Names\n(IDNA), it translates them to puny code for DNS resolving using the\nIDNA 2003 standard, while IDNA 2008 is the modern and up-to-date IDNA\nstandard. This misalignment causes problems with for example domains\nusing the German \u00df character (known as the Unicode Character 'LATIN\nSMALL LETTER SHARP S') which is used at times in the .de TLD and is\ntranslated differently in the two IDNA standards, leading to users\npotentially and unknowingly issuing network transfer requests to the\nwrong host.\n\nFor example, stra\u00dfe.de is translated into strasse.de using IDNA 2003\nbut is translated into xn--strae-oqa.de using IDNA 2008. Needless to\nsay, those host names could very well resolve to different addresses\nand be two completely independent servers. IDNA 2008 is mandatory for\n.de domains.\n\nThis name problem exists for DNS-using protocols in curl, but only when\nbuilt to use libidn.\n\nImpact\n======\n\nA remote attacker is able to execute arbitrary code, inject cookies for\narbitrary domains and disclose sensitive information via various\nvectors.\n\nReferences\n==========\n\nhttps://curl.haxx.se/changes.html#7_51_0\nhttps://curl.haxx.se/docs/adv_20161102A.html\nhttps://curl.haxx.se/docs/adv_20161102B.html\nhttps://curl.haxx.se/docs/adv_20161102C.html\nhttps://curl.haxx.se/docs/adv_20161102E.html\nhttps://curl.haxx.se/docs/adv_20161102F.html\nhttps://curl.haxx.se/docs/adv_20161102G.html\nhttps://curl.haxx.se/docs/adv_20161102H.html\nhttps://curl.haxx.se/docs/adv_20161102I.html\nhttps://curl.haxx.se/docs/adv_20161102J.html\nhttps://curl.haxx.se/docs/adv_20161102K.html\nhttps://access.redhat.com/security/cve/CVE-2016-8615\nhttps://access.redhat.com/security/cve/CVE-2016-8616\nhttps://access.redhat.com/security/cve/CVE-2016-8617\nhttps://access.redhat.com/security/cve/CVE-2016-8619\nhttps://access.redhat.com/security/cve/CVE-2016-8620\nhttps://access.redhat.com/security/cve/CVE-2016-8621\nhttps://access.redhat.com/security/cve/CVE-2016-8622\nhttps://access.redhat.com/security/cve/CVE-2016-8623\nhttps://access.redhat.com/security/cve/CVE-2016-8624\nhttps://access.redhat.com/security/cve/CVE-2016-8625", "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": "2016-11-03T00:00:00", "type": "archlinux", "title": "[ASA-201611-7] curl: multiple issues", "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-2016-8615", "CVE-2016-8616", "CVE-2016-8617", "CVE-2016-8619", "CVE-2016-8620", "CVE-2016-8621", "CVE-2016-8622", "CVE-2016-8623", "CVE-2016-8624", "CVE-2016-8625"], "modified": "2016-11-03T00:00:00", "id": "ASA-201611-7", "href": "https://security.archlinux.org/ASA-201611-7", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-05T18:23:43", "description": "Arch Linux Security Advisory ASA-201707-20\n==========================================\n\nSeverity: Medium\nDate : 2017-07-18\nCVE-ID : CVE-2017-7186 CVE-2017-7244 CVE-2017-7245 CVE-2017-7246\nPackage : pcre\nType : multiple issues\nRemote : Yes\nLink : https://security.archlinux.org/AVG-222\n\nSummary\n=======\n\nThe package pcre before version 8.41-1 is vulnerable to multiple issues\nincluding denial of service and arbitrary code execution.\n\nResolution\n==========\n\nUpgrade to 8.41-1.\n\n# pacman -Syu \"pcre>=8.41-1\"\n\nThe problems have been fixed upstream in version 8.41.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2017-7186 (denial of service)\n\nlibpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote\nattackers to cause a denial of service (segmentation violation for read\naccess, and application crash) by triggering an invalid Unicode\nproperty lookup.\n\n- CVE-2017-7244 (denial of service)\n\nA stack-based read buffer overflow has been found in libpcre <= 8.40,\nin the pcretest utility. It can lead to denial of service via a crafted\nexpression passed to the pcretest command.\n\n- CVE-2017-7245 (arbitrary code execution)\n\nA stack-based write buffer overflow has been found in libpcre <= 8.40,\nin the pcretest utility. It can lead to arbitrary code execution via a\ncrafted expression passed to the pcretest command.\n\n- CVE-2017-7246 (arbitrary code execution)\n\nA stack-based write buffer overflow has been found in libpcre <= 8.40,\nin the pcretest utility. It can lead to arbitrary code execution via a\ncrafted expression passed to the pcretest command.\n\nImpact\n======\n\nAn attacker can execute arbitrary code on the affected host by tricking\na user into passing a crafted expression to the pcretest command. A\nremote attacker can cause a denial of service against an application\nusing libpcre via a crafted expression.\n\nReferences\n==========\n\nhttps://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date\nhttps://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/\nhttps://blogs.gentoo.org/ago/2017/03/20/libpcre-invalid-memory-read-in-_pcre32_xclass-pcre_xclass-c/\nhttps://bugs.exim.org/show_bug.cgi?id=2052\nhttps://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/\nhttps://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date\nhttps://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date\nhttps://security.archlinux.org/CVE-2017-7186\nhttps://security.archlinux.org/CVE-2017-7244\nhttps://security.archlinux.org/CVE-2017-7245\nhttps://security.archlinux.org/CVE-2017-7246", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2017-07-18T00:00:00", "type": "archlinux", "title": "[ASA-201707-20] pcre: multiple issues", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "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-2017-7186", "CVE-2017-7244", "CVE-2017-7245", "CVE-2017-7246"], "modified": "2017-07-18T00:00:00", "id": "ASA-201707-20", "href": "https://security.archlinux.org/ASA-201707-20", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "ibm": [{"lastseen": "2023-02-23T21:50:28", "description": "## Summary\n\nIBM Dynamic System Analysis (DSA) Preboot has addressed the following vulnerabilities in curl.\n\n## Vulnerability Details\n\n**Summary**\n\nIBM Dynamic System Analysis (DSA) Preboot has addressed the following vulnerabilities in curl.\n\n**Vulnerability Details:**\n\n**CVEID:** [CVE-2016-7167](<https://vulners.com/cve/CVE-2016-7167>)\n\n**Description:** libcurl could allow a local attacker to execute arbitrary code on the system, caused by an integer overflow in the curl_escape(), curl_easy_escape(), curl_unescape(), and curl_easy_unescape() functions. By sending an overly long string, an attacker could exploit this vulnerability to execute arbitrary code on the system.\n\nCVSS Base Score: 4 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/116938> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)\n\n**CVEID:** [CVE-2016-8615](<https://vulners.com/cve/CVE-2016-8615>)\n\n**Description:** cURL/libcurl is vulnerable to cookie injection, caused by an error related to fgets() function. By using a malicious server that sends a very long cookie name and value, a remote attacker could exploit this vulnerability to inject a malicious cookie for arbitrary domains.\n\nCVSS Base Score: 5.3 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118632> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)\n\n**CVEID:** [CVE-2016-8616](<https://vulners.com/cve/CVE-2016-8616>)\n\n**Description:** cURL/libcurl could allow a remote attacker to bypass security restrictions, caused by the use of case insensitive comparisons. By using valid credentials exists for a protocol which supports connection-scoped credentials, an attacker could exploit this vulnerability to cause a connection to be reused.\n\nCVSS Base Score: 5.3 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118633> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)\n\n**CVEID:** [CVE-2016-8617](<https://vulners.com/cve/CVE-2016-8617>)\n\n**Description:** cURL/libcurl could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an out of bounds write in the base64 encode function. By using a specially crafted username, an attacker could exploit this vulnerability to execute arbitrary code on the system.\n\nCVSS Base Score: 5 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118636> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L)\n\n**CVEID:** [CVE-2016-8618](<https://vulners.com/cve/CVE-2016-8618>)\n\n**Description:** cURL/libcurl could allow a remote attacker to execute arbitrary code on the system, caused by double-free error in the curl_maprintf() function on systems using 32 bit size_t variables. An attacker could exploit this vulnerability to execute arbitrary code on the system.\n\nCVSS Base Score: 7.3 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118645> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)\n\n**CVEID:** [CVE-2016-8619](<https://vulners.com/cve/CVE-2016-8619>)\n\n**Description:** cURL/libcurl could allow a remote attacker to execute arbitrary code on the system, caused by double-free error in the krb5 code. An attacker could exploit this vulnerability to execute arbitrary code on the system.\n\nCVSS Base Score: 7.3 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118637> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)\n\n**CVEID:** [CVE-2016-8621](<https://vulners.com/cve/CVE-2016-8621>)\n\n**Description:** cURL/libcurl could allow a remote attacker to obtain sensitive information, caused by an out of bounds read error within the curl_getdate function. By using specially-crafted date strings, a remote attacker could exploit this vulnerability to execute arbitrary code in the context of the process and obtain sensitive information.\n\nCVSS Base Score: 5.3 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118639> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)\n\n**CVEID:** [CVE-2016-8623](<https://vulners.com/cve/CVE-2016-8623>)\n\n**Description:** cURL/libcurl could allow a local attacker to obtain sensitive information, caused by an use-after-free error. By using another thread to structs original cookie together with its strings, an attacker could exploit this vulnerability to obtain sensitive information.\n\nCVSS Base Score: 4 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118641> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)\n\n**CVEID:** [CVE-2016-8624](<https://vulners.com/cve/CVE-2016-8624>)\n\n**Description:** cURL/libcurl could allow a remote attacker to bypass security restrictions, caused by the failure to parse the authority component of the URL when handling \"#\" character. By using a specially-crafted URL with \"#\" character, an attacker could exploit this vulnerability to bypass access restrictions.\n\nCVSS Base Score: 5.3 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118642> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)\n\n**Affected Products and Versions**\n\nProduct | Version \n---|--- \nIBM Dynamic System Analysis (DSA) Preboot | 9.6 \n \n**Remediation/Fixes:**\n\nFirmware fix versions are available on Fix Central: \n<http://www.ibm.com/support/fixcentral/>.\n\nProduct | Fix Version \n---|--- \nIBM Dynamic System Analysis (DSA) Preboot \n(ibm_fw_dsa_dsyte2w-9.65) | dsyte2w-9.65 \n \n**Workaround(s) & Mitigation(s):**\n\nNone\n\n**References:**\n\n * [Complete CVSS v3 Guide](<http://www.first.org/cvss/user-guide.html>)\n * [On-line Calculator v3](<http://www.first.org/cvss/calculator/3.0>)\n\n**Related Information:** \n[IBM Secure Engineering Web Portal](<http://www.ibm.com/security/secure-engineering/bulletins.html>) \n[IBM Product Security Incident Response Blog](<https://www.ibm.com/blogs/psirt/>) \n[Lenovo Product Security Advisories](<https://support.lenovo.com/us/en/product_security/home>)\n\n**Acknowledgement**\n\nNone\n\n**Change History** \n21 November 2017: Original Copy Published\n\n* The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.\n\n**Disclaimer**\n\nAccording to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an \"industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.\" IBM PROVIDES THE CVSS SCORES \"AS IS\" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.\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": "2019-01-31T02:25:02", "type": "ibm", "title": "Security Bulletin: IBM Dynamic System Analysis (DSA) Preboot is affected by vulnerabilities in curl", "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-2016-7167", "CVE-2016-8615", "CVE-2016-8616", "CVE-2016-8617", "CVE-2016-8618", "CVE-2016-8619", "CVE-2016-8621", "CVE-2016-8623", "CVE-2016-8624"], "modified": "2019-01-31T02:25:02", "id": "BBC754E5B12D155E66635FEB8C7490C87E8C77DA11808BA277B1482EB603C894", "href": "https://www.ibm.com/support/pages/node/868810", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-02-23T21:51:03", "description": "## Summary\n\nIBM Chassis Management Module (CMM) has addressed the following vulnerabilities in cURL.\n\n## Vulnerability Details\n\n**Summary**\n\nIBM Chassis Management Module (CMM) has addressed the following vulnerabilities in cURL.\n\n**Vulnerability Details
(RHSA-2018:2486) Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.29 security update
