Matthias Andree reports:
When a log message exceeds c. 2 kByte in size, for instance, with very long
header contents, and depending on verbosity option, fetchmail can crash or
misreport each first log message that requires a buffer reallocation.
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if(ltss_caveat_required) ltss_plugin_caveat = '\\n' +\n 'NOTE: This vulnerability check contains fixes that apply to\\n' +\n 'packages only available in SUSE Enterprise Linux Server LTSS\\n' +\n 'repositories. Access to these package security updates require\\n' +\n 'a paid SUSE LTSS subscription.\\n';\n security_report_v4(\n port : 0,\n severity : SECURITY_WARNING,\n extra : rpm_report_get() + ltss_plugin_caveat\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'fetchmail / fetchmailconf');\n}\n", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-01-10T19:22:35", "description": "The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2022:1964 advisory.\n\n - report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic platform results in an impact beyond an inconvenience to the client user. (CVE-2021-36386)\n\n - Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH. (CVE-2021-39272)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-05-12T00:00:00", "type": "nessus", "title": "AlmaLinux 8 : fetchmail (ALSA-2022:1964)", "bulletinFamily": "scanner", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386", "CVE-2021-39272"], "modified": "2022-05-12T00:00:00", "cpe": ["p-cpe:/a:alma:linux:fetchmail", "cpe:/o:alma:linux:8"], "id": "ALMA_LINUX_ALSA-2022-1964.NASL", "href": "https://www.tenable.com/plugins/nessus/161123", "sourceData": "##\n# (C) Tenable, Inc.\n#\n# The package checks in this plugin were extracted from\n# AlmaLinux Security Advisory ALSA-2022:1964.\n##\n\ninclude('compat.inc');\n\nif (description)\n{\n script_id(161123);\n script_version(\"1.2\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2022/05/12\");\n\n script_cve_id(\"CVE-2021-36386\", \"CVE-2021-39272\");\n script_xref(name:\"ALSA\", value:\"2022:1964\");\n\n script_name(english:\"AlmaLinux 8 : fetchmail (ALSA-2022:1964)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote AlmaLinux host is missing one or more security updates.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the\nALSA-2022:1964 advisory.\n\n - report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf\n va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified\n other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic\n platform results in an impact beyond an inconvenience to the client user. (CVE-2021-36386)\n\n - Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a\n certain situation with IMAP and PREAUTH. 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", "cvss3": {}, "published": "2008-06-28T22:15:01", "type": "fedora", "title": "[SECURITY] Fedora 9 Update: fetchmail-6.3.8-7.fc9", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2008-2711"], "modified": "2008-06-28T22:15:01", "id": "FEDORA:M5SMESRC003240", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/2JB5EJJUSVTKHRKMRUOLSJFZ7SD5Q2TI/", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2020-12-21T08:17:49", "description": "Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so you can read it through your favorite mail client. Install fetchmail if you need to retrieve mail over SLIP or PPP connections. ", "cvss3": {}, "published": "2008-06-28T22:15:22", "type": "fedora", "title": "[SECURITY] Fedora 8 Update: fetchmail-6.3.8-4.fc8", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2008-2711"], "modified": "2008-06-28T22:15:22", "id": "FEDORA:M5SMFHKA003295", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/IXYVY5KKTZBIR6RKPGOG4O6XUEAL7IH2/", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-11-26T19:07:07", "description": "Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so you can read it through your favorite mail client. Install fetchmail if you need to retrieve mail over SLIP or PPP connections. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-08-12T01:06:43", "type": "fedora", "title": "[SECURITY] Fedora 34 Update: fetchmail-6.4.20-1.fc34", "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"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2021-08-12T01:06:43", "id": "FEDORA:73500311A4BD", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/AGYO5AHSXTCKA4NQC2Z4H3XMMYNAGC77/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-11-26T19:07:07", "description": "Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so you can read it through your favorite mail client. Install fetchmail if you need to retrieve mail over SLIP or PPP connections. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-08-12T01:26:35", "type": "fedora", "title": "[SECURITY] Fedora 33 Update: fetchmail-6.4.20-1.fc33", "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"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2021-08-12T01:26:35", "id": "FEDORA:2C1DF3099056", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/OIXKO6QW3AUHGJVWKJXBCOVBYJUJRBFC/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "securityvulns": [{"lastseen": "2018-08-31T11:10:26", "description": "fetchmail-SA-2008-01: Crash on large log messages in verbose mode\r\n\r\nTopics: Crash in large log messages in verbose mode.\r\n\r\nAuthor: Matthias Andree\r\nVersion: 1.0\r\nAnnounced: 2008-06-17\r\nType: Dereferencing garbage pointer trigged by outside circumstances\r\nImpact: denial of service possible\r\nDanger: low\r\nCVSS V2 vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C/E:P/RL:O/RC:C)\r\n\r\nCredits: Petr Uzel (fix), Petr Cerny (analysis), Gunter Nau (bug report)\r\nCVE Name: CVE-2008-2711\r\nURL: http://www.fetchmail.info/fetchmail-SA-2008-01.txt\r\nProject URL: http://www.fetchmail.info/\r\n\r\nAffects: fetchmail release < 6.3.9 exclusively\r\n\r\nNot affected: fetchmail release 6.3.9 and newer\r\n systems without varargs (stdargs.h) support.\r\n\r\nCorrected: 2008-06-13 fetchmail SVN (rev 5193)\r\n\r\nReferences: <https://bugzilla.novell.com/show_bug.cgi?id=354291>\r\n <http://developer.berlios.de/patch/?func=detailpatch&patch_id=2492&group_id=1824>\r\n\r\n\r\n0. Release history\r\n==================\r\n\r\n2008-06-13 1.0 first draft for MITRE/CVE (visible in SVN,\r\n posted to oss-security)\r\n2008-06-17 1.0 published on http://www.fetchmail.info/\r\n\r\n\r\n1. Background\r\n=============\r\n\r\nfetchmail is a software package to retrieve mail from remote POP2, POP3,\r\nIMAP, ETRN or ODMR servers and forward it to local SMTP, LMTP servers or\r\nmessage delivery agents.\r\n\r\nfetchmail ships with a graphical, Python/Tkinter based configuration\r\nutility named "fetchmailconf" to help the user create configuration (run\r\ncontrol) files for fetchmail.\r\n\r\n\r\n2. Problem description and Impact\r\n=================================\r\n\r\nGunter Nau reported fetchmail crashing on some messages; further\r\ndebugging by Petr Uzel and Petr Cerny at Novell/SUSE Czech Republic\r\ndug up that this happened when fetchmail was trying to print, in -v -v\r\nverbose level, headers exceeding 2048 bytes. In this situation,\r\nfetchmail would resize the buffer and fill in further parts of the\r\nmessage, but forget to reinitialize its va_list typed source pointer,\r\nthus reading data from a garbage address found on the stack at\r\naddresses above the function arguments the caller passed in; usually\r\nthat would be the caller's stack frame.\r\n\r\nIt is unknown whether code can be injected remotely, but given that\r\nthe segmentation fault is caused by read accesses, the relevant data\r\nis not under the remote attacker's control and no buffer overrun\r\nsituation is present that would allow altering program /flow/, it is\r\ndeemed rather unlikely that code can be injected.\r\n\r\nNote that the required -vv configuration at hand is both non-default\r\nand also not common in automated (cron job) setups, but usually used\r\nin manual debugging, so not many systems would be affected by the\r\nproblem. Nonetheless, in vulnerable configurations, it is remotely\r\nexploitable to effect a denial of service attack.\r\n\r\n\r\n\r\n3. Solution\r\n===========\r\n\r\nThere are two alternatives, either of them by itself is sufficient:\r\n\r\na. Apply the patch found in section B of this announcement to\r\n fetchmail 6.3.8, recompile and reinstall it.\r\n\r\nb. Install fetchmail 6.3.9 or newer after it will have become available.\r\n The fetchmail source code is always available from\r\n <http://developer.berlios.de/project/showfiles.php?group_id=1824>.\r\n\r\n\r\n4. Workaround\r\n=============\r\n\r\nRun fetchmail at low verbosity, avoid using two or three -v arguments;\r\ninternal messages are short and do not contain external message\r\nsources so they do not cause buffer resizing. It is recommended to\r\nreplace the vulnerable code by a fixed version (see previous\r\nsection 3. Solution) as soon as reasonably possible.\r\n\r\n\r\nA. Copyright, License and Warranty\r\n==================================\r\n\r\n(C) Copyright 2008 by Matthias Andree, <matthias.andree@gmx.de>.\r\nSome rights reserved.\r\n\r\nThis work is licensed under the Creative Commons\r\nAttribution-NonCommercial-NoDerivs German License. To view a copy of\r\nthis license, visit http://creativecommons.org/licenses/by-nc-nd/2.0/de/\r\nor send a letter to Creative Commons; 559 Nathan Abbott Way;\r\nStanford, California 94305; USA.\r\n\r\nTHIS WORK IS PROVIDED FREE OF CHARGE AND WITHOUT ANY WARRANTIES.\r\nUse the information herein at your own risk.\r\n\r\n\r\n\r\nB. Patch to remedy the problem\r\n==============================\r\n\r\ndiff --git a/report.c b/report.c\r\nindex 31d4e48..2a731ac 100644\r\n--- a/report.c\r\n+++ b/report.c\r\n@@ -238,11 +238,17 @@ report_build (FILE *errfp, message, va_alist)\r\n rep_ensuresize();\r\n \r\n #if defined(VA_START)\r\n- VA_START (args, message);\r\n for ( ; ; )\r\n {\r\n+ /*\r\n+ * args has to be initialized before every call of vsnprintf(), \r\n+ * because vsnprintf() invokes va_arg macro and thus args is \r\n+ * undefined after the call.\r\n+ */\r\n+ VA_START(args, message);\r\n n = vsnprintf (partial_message + partial_message_size_used, partial_message_size -\r\npartial_message_size_used,\r\n message, args);\r\n+ va_end (args);\r\n \r\n if (n >= 0\r\n && (unsigned)n < partial_message_size - partial_message_size_used)\r\n@@ -254,7 +260,6 @@ report_build (FILE *errfp, message, va_alist)\r\n partial_message_size += 2048;\r\n partial_message = REALLOC (partial_message, partial_message_size);\r\n }\r\n- va_end (args);\r\n #else\r\n for ( ; ; )\r\n {\r\n\r\nEND OF fetchmail-SA-2008-01.txt", "cvss3": {}, "published": "2008-06-17T00:00:00", "type": "securityvulns", "title": "fetchmail security announcement fetchmail-SA-2008-01 (CVE-2008-2711)", "bulletinFamily": "software", "hackapp": {}, "cvss2": {}, "cvelist": ["CVE-2008-2711"], "modified": "2008-06-17T00:00:00", "id": "SECURITYVULNS:DOC:20058", "href": "https://vulners.com/securityvulns/SECURITYVULNS:DOC:20058", "sourceData": "", "cvss": {"score": 4.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:NONE/I:NONE/A:PARTIAL/"}}, {"lastseen": "2018-08-31T11:09:30", "description": "NULL pointer dereference, uninitialized pointer dereference.", "cvss3": {}, "published": "2008-06-17T00:00:00", "type": "securityvulns", "title": "fetchmail multiple security vulnerabilities", "bulletinFamily": "software", "hackapp": {}, "cvss2": {}, "cvelist": ["CVE-2007-4565", "CVE-2008-2711"], "modified": "2008-06-17T00:00:00", "id": "SECURITYVULNS:VULN:9095", "href": "https://vulners.com/securityvulns/SECURITYVULNS:VULN:9095", "sourceData": "", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:PARTIAL/"}}], "seebug": [{"lastseen": "2017-11-19T21:38:00", "description": "BUGTRAQ ID: 29705\r\nCVE(CAN) ID: CVE-2008-2711\r\n\r\nFetchmail\u662f\u514d\u8d39\u7684\u8f6f\u4ef6\u5305\uff0c\u53ef\u4ee5\u4ece\u8fdc\u7a0bPOP2\u3001POP3\u3001IMAP\u3001ETRN\u6216ODMR\u670d\u52a1\u5668\u68c0\u7d22\u90ae\u4ef6\u5e76\u5c06\u5176\u8f6c\u53d1\u7ed9\u672c\u5730SMTP\u3001LMTP\u670d\u52a1\u5668\u6216\u6d88\u606f\u4f20\u9001\u4ee3\u7406\u3002\r\n\r\nFetchmail\u5728\u5904\u7406\u6d88\u606f\u65f6\u5b58\u5728\u5185\u5b58\u8bbf\u95ee\u9519\u8bef\uff0c\u4ee5-v -v verbose\u7ea7\u522b\u8fd0\u884c\u7684fetchmail\u5728\u8bd5\u56fe\u6253\u5370\u8d85\u8fc72048\u5b57\u8282\u7684\u5934\u65f6\u4f1a\u91cd\u65b0\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f\u5e76\u586b\u5145\u6d88\u606f\u7684\u591a\u51fa\u90e8\u5206\uff0c\u4f46\u6ca1\u6709\u91cd\u65b0\u521d\u59cb\u5316\u5176 va_list\u7c7b\u578b\u7684\u6e90\u6307\u9488\uff0c\u56e0\u6b64\u53ef\u80fd\u4f1a\u5728\u6808\u4e0a\u7684\u65e0\u6548\u5730\u5740\u8bfb\u53d6\u6570\u636e\uff0c\u5bfc\u81f4\u51fa\u73b0\u5206\u6bb5\u9519\u8bef\u800c\u5d29\u6e83\u3002\n\nfetchmail < 6.3.9\n \u4e34\u65f6\u89e3\u51b3\u65b9\u6cd5\uff1a\r\n\r\n* \u4ee5\u4f4everbosity\u8fd0\u884cfetchmail\uff0c\u4e0d\u8981\u4f7f\u7528\u4e24\u4e2a\u6216\u4e09\u4e2a-v\u53c2\u6570\u3002\r\n\r\n\u5382\u5546\u8865\u4e01\uff1a\r\n\r\nfetchmail\r\n---------\r\n\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\n\r\n<a href=http://developer.berlios.de/patch/?func=detailpatch&patch_id=2492&group_id=1824 target=_blank>http://developer.berlios.de/patch/?func=detailpatch&patch_id=2492&group_id=1824</a>", "cvss3": {}, "published": "2008-06-20T00:00:00", "type": "seebug", "title": "Fetchmail Verbose\u6a21\u5f0f\u8d85\u5927\u65e5\u5fd7\u6d88\u606f\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e", "bulletinFamily": "exploit", "cvss2": {}, "cvelist": ["CVE-2008-2711"], "modified": "2008-06-20T00:00:00", "href": "https://www.seebug.org/vuldb/ssvid-3436", "id": "SSV:3436", "sourceData": "", "sourceHref": "", "cvss": {"score": 4.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:NONE/I:NONE/A:PARTIAL/"}}], "slackware": [{"lastseen": "2023-02-08T16:14:53", "description": "New fetchmail packages are available for Slackware 8.1, 9.0, 9.1, 10.0, 10.1,\n10.2, 11.0, 12.0, 12.1, and -current to fix security issues.\n\nMore details about this issue may be found in the Common\nVulnerabilities and Exposures (CVE) database:\n\n https://vulners.com/cve/CVE-2008-2711\n\n\nHere are the details from the Slackware 12.1 ChangeLog:\n\npatches/packages/fetchmail-6.3.8-i486-3_slack12.1.tgz:\n Patched to fix a possible denial of service when \"-v -v\" options are used.\n For more information, see:\n https://vulners.com/cve/CVE-2008-2711\n (* Security fix *)\n\nWhere to find the new packages:\n\nHINT: Getting slow download speeds from ftp.slackware.com?\nGive slackware.osuosl.org a try. This is another primary FTP site\nfor Slackware that can be considerably faster than downloading\ndirectly from ftp.slackware.com.\n\nThanks to the friendly folks at the OSU Open Source Lab\n(http://osuosl.org) for donating additional FTP and rsync hosting\nto the Slackware project! :-)\n\nAlso see the \"Get Slack\" section on http://slackware.com for\nadditional mirror sites near you.\n\nUpdated package for Slackware 8.1:\nftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/fetchmail-6.3.8-i386-1_slack8.1.tgz\n\nUpdated package for Slackware 9.0:\nftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/fetchmail-6.3.8-i386-1_slack9.0.tgz\n\nUpdated package for Slackware 9.1:\nftp://ftp.slackware.com/pub/slackware/slackware-9.1/patches/packages/fetchmail-6.3.8-i486-1_slack9.1.tgz\n\nUpdated package for Slackware 10.0:\nftp://ftp.slackware.com/pub/slackware/slackware-10.0/patches/packages/fetchmail-6.3.8-i486-1_slack10.0.tgz\n\nUpdated package for Slackware 10.1:\nftp://ftp.slackware.com/pub/slackware/slackware-10.1/patches/packages/fetchmail-6.3.8-i486-1_slack10.1.tgz\n\nUpdated package for Slackware 10.2:\nftp://ftp.slackware.com/pub/slackware/slackware-10.2/patches/packages/fetchmail-6.3.8-i486-1_slack10.2.tgz\n\nUpdated package for Slackware 11.0:\nftp://ftp.slackware.com/pub/slackware/slackware-11.0/patches/packages/fetchmail-6.3.8-i486-1_slack11.0.tgz\n\nUpdated package for Slackware 12.0:\nftp://ftp.slackware.com/pub/slackware/slackware-12.0/patches/packages/fetchmail-6.3.8-i486-3_slack12.0.tgz\n\nUpdated package for Slackware 12.1:\nftp://ftp.slackware.com/pub/slackware/slackware-12.1/patches/packages/fetchmail-6.3.8-i486-3_slack12.1.tgz\n\nUpdated package for Slackware -current:\nftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/fetchmail-6.3.8-i486-3.tgz\n\n\nMD5 signatures:\n\nSlackware 8.1 package:\nb5d8c801042c5190ad8915a30dd0a35f fetchmail-6.3.8-i386-1_slack8.1.tgz\n\nSlackware 9.0 package:\n858b8cbf528801d500db9c8353dffd01 fetchmail-6.3.8-i386-1_slack9.0.tgz\n\nSlackware 9.1 package:\nd791215ee93508ab8e82a9038a7a838f fetchmail-6.3.8-i486-1_slack9.1.tgz\n\nSlackware 10.0 package:\nf30d0eadac70861cd437112f426c97e4 fetchmail-6.3.8-i486-1_slack10.0.tgz\n\nSlackware 10.1 package:\n64c4a49b7b88e67151cbf9c68b66c64a fetchmail-6.3.8-i486-1_slack10.1.tgz\n\nSlackware 10.2 package:\n507cd71d2d2fdbcce4b009eb730f12ba fetchmail-6.3.8-i486-1_slack10.2.tgz\n\nSlackware 11.0 package:\nc221a17709e63f4a61df34a02c65ff6f fetchmail-6.3.8-i486-1_slack11.0.tgz\n\nSlackware 12.0 package:\ne6f9da78a683f27bd4788d391a4d2edd fetchmail-6.3.8-i486-3_slack12.0.tgz\n\nSlackware 12.1 package:\nef59967ab69a16d6b23083691550d53d fetchmail-6.3.8-i486-3_slack12.1.tgz\n\nSlackware -current package:\n0c4c7d0a8d72ef4548bff0c60cdd516a fetchmail-6.3.8-i486-3.tgz\n\n\nInstallation instructions:\n\nUpgrade the package as root:\n > upgradepkg fetchmail-6.3.8-i486-3_slack12.1.tgz", "cvss3": {}, "published": "2008-07-29T05:31:09", "type": "slackware", "title": "[slackware-security] fetchmail", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2008-2711"], "modified": "2008-07-29T05:31:09", "id": "SSA-2008-210-01", "href": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.495740", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}], "openvas": [{"lastseen": "2017-07-25T10:55:57", "description": "Check for the Version of fetchmail", "cvss3": {}, "published": "2009-02-17T00:00:00", "type": "openvas", "title": "Fedora Update for fetchmail FEDORA-2008-5800", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2008-2711"], "modified": "2017-07-10T00:00:00", "id": "OPENVAS:860656", "href": "http://plugins.openvas.org/nasl.php?oid=860656", "sourceData": "###############################################################################\n# OpenVAS Vulnerability Test\n#\n# Fedora Update for fetchmail FEDORA-2008-5800\n#\n# Authors:\n# System Generated Check\n#\n# Copyright:\n# Copyright (c) 2009 Greenbone Networks GmbH, http://www.greenbone.net\n#\n# This program is free software; you can redistribute it and/or modify\n# it under the terms of the GNU General Public License version 2\n# (or any later version), as published by the Free Software Foundation.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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###############################################################################\n\ninclude(\"revisions-lib.inc\");\ntag_insight = \"Fetchmail is a remote mail retrieval and forwarding utility intended\n for use over on-demand TCP/IP links, like SLIP or PPP connections.\n Fetchmail supports every remote-mail protocol currently in use on the\n Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6,\n and IPSEC) for retrieval. 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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###############################################################################\n\ninclude(\"revisions-lib.inc\");\ntag_insight = \"A flaw in fetchmail was discovered that allowed remote attackers\n to cause a denial of service (crash and persistent mail failure)\n via a malformed message with long headers. 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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###############################################################################\n\ninclude(\"revisions-lib.inc\");\ntag_insight = \"Fetchmail is a remote mail retrieval and forwarding utility intended\n for use over on-demand TCP/IP links, like SLIP or PPP connections.\n Fetchmail supports every remote-mail protocol currently in use on the\n Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6,\n and IPSEC) for retrieval. 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"cpe:2.3:a:fetchmail:fetchmail:5.5.5:*:*:*:*:*:*:*", "cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc3:*:*:*:*:*:*", "cpe:2.3:a:fetchmail:fetchmail:5.5.0:*:*:*:*:*:*:*", "cpe:2.3:a:fetchmail:fetchmail:6.3.2:*:*:*:*:*:*:*", "cpe:2.3:a:fetchmail:fetchmail:5.2.4:*:*:*:*:*:*:*", "cpe:2.3:a:fetchmail:fetchmail:5.8.13:*:*:*:*:*:*:*", "cpe:2.3:a:fetchmail:fetchmail:4.7.7:*:*:*:*:*:*:*", "cpe:2.3:a:fetchmail:fetchmail:5.8.5:*:*:*:*:*:*:*", "cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc5:*:*:*:*:*:*", "cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc7:*:*:*:*:*:*"]}, {"lastseen": "2023-02-09T14:26:05", "description": "report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic platform results in an impact beyond an inconvenience to the client user.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-30T14:15:00", "type": "cve", "title": "CVE-2021-36386", "cwe": ["CWE-909"], "bulletinFamily": "NVD", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2022-10-28T13:14:00", "cpe": ["cpe:/o:fedoraproject:fedora:33", "cpe:/o:fedoraproject:fedora:34"], "id": "CVE-2021-36386", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-36386", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}, "cpe23": ["cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"]}], "ubuntucve": [{"lastseen": "2022-08-04T14:42:15", "description": "fetchmail 6.3.8 and earlier, when running in -v -v (aka verbose) mode,\nallows remote attackers to cause a denial of service (crash and persistent\nmail failure) via a malformed mail message with long headers, which\ntriggers an erroneous dereference when using vsnprintf to format log\nmessages.\n\n#### Bugs\n\n * <https://bugs.launchpad.net/bugs/240549>\n\n\n#### Notes\n\nAuthor| Note \n---|--- \n[jdstrand](<https://launchpad.net/~jdstrand>) | per Debian, http://www.openwall.com/lists/oss-security/2008/06/13/1, -vv is only used for debugging purposes so this does not prevent a victim from getting mails. -vv is not used in non-interactive use.\n", "cvss3": {}, "published": "2008-06-16T00:00:00", "type": "ubuntucve", "title": "CVE-2008-2711", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2008-2711"], "modified": "2008-06-16T00:00:00", "id": "UB:CVE-2008-2711", "href": "https://ubuntu.com/security/CVE-2008-2711", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-08-04T13:17:20", "description": "report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits\ninitialization of the vsnprintf va_list argument, which might allow mail\nservers to cause a denial of service or possibly have unspecified other\nimpact via long error messages. NOTE: it is unclear whether use of\nFetchmail on any realistic platform results in an impact beyond an\ninconvenience to the client user.\n\n#### Notes\n\nAuthor| Note \n---|--- \n[mdeslaur](<https://launchpad.net/~mdeslaur>) | second commit is a regression fix\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-30T00:00:00", "type": "ubuntucve", "title": "CVE-2021-36386", "bulletinFamily": "info", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2021-07-30T00:00:00", "id": "UB:CVE-2021-36386", "href": "https://ubuntu.com/security/CVE-2021-36386", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "veracode": [{"lastseen": "2022-07-27T10:43:27", "description": "fetchmail is vulnerable to denial of service. A flaw was found in fetchmail. When fetchmail is run in double verbose mode (\"-v -v\"), it could crash upon receiving certain, malformed mail messages with long headers. A remote attacker could use this flaw to cause a denial of service if fetchmail was also running in daemon mode (\"-d\"). \n", "cvss3": {}, "published": "2020-04-10T00:36:12", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2008-2711"], "modified": "2020-05-27T05:53:05", "id": "VERACODE:23790", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-23790/summary", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-07-17T13:01:04", "description": "Fetchmail is vulnerable to denial of service. report_vbuild in report.c sometimes omits initialization of the vsnprintf va_list argument, allowing mail servers to cause a denial of service or possibly have unspecified other impact via long error messages.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-30T05:40:27", "type": "veracode", "title": "Denial Of Service(DoS)", "bulletinFamily": "software", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2022-07-13T12:52:42", "id": "VERACODE:31437", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-31437/summary", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "debiancve": [{"lastseen": "2023-03-10T06:08:14", "description": "fetchmail 6.3.8 and earlier, when running in -v -v (aka verbose) mode, allows remote attackers to cause a denial of service (crash and persistent mail failure) via a malformed mail message with long headers, which triggers an erroneous dereference when using vsnprintf to format log messages.", "cvss3": {}, "published": "2008-06-16T21:41:00", "type": "debiancve", "title": "CVE-2008-2711", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2008-2711"], "modified": "2008-06-16T21:41:00", "id": "DEBIANCVE:CVE-2008-2711", "href": "https://security-tracker.debian.org/tracker/CVE-2008-2711", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-03-10T06:08:14", "description": "report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic platform results in an impact beyond an inconvenience to the client user.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-30T14:15:00", "type": "debiancve", "title": "CVE-2021-36386", "bulletinFamily": "info", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2021-07-30T14:15:00", "id": "DEBIANCVE:CVE-2021-36386", "href": "https://security-tracker.debian.org/tracker/CVE-2021-36386", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "suse": [{"lastseen": "2022-04-18T12:40:10", "description": "An update that solves one vulnerability and has one errata\n is now available.\n\nDescription:\n\n This update for fetchmail fixes the following issues:\n\n - CVE-2021-36386: Fixed a missing variable initialization that can cause\n read from bad memory locations. (bsc#1188875)\n - Change PASSWORDLEN from 64 to 256 (bsc#1188034)\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-2791=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-08-20T00:00:00", "type": "suse", "title": "Security update for fetchmail (moderate)", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2021-08-20T00:00:00", "id": "OPENSUSE-SU-2021:2791-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/WMV7EBXEZS74TUNOO7AISIYY6S7T7TDO/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-11-06T12:09:03", "description": "An update that solves one vulnerability and has one errata\n is now available.\n\nDescription:\n\n This update for fetchmail fixes the following issues:\n\n - CVE-2021-36386: Fixed a missing variable initialization that can cause\n read from bad memory locations. (bsc#1188875)\n - Change PASSWORDLEN from 64 to 256 (bsc#1188034)\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.2:\n\n zypper in -t patch openSUSE-2021-1183=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-08-23T00:00:00", "type": "suse", "title": "Security update for fetchmail (moderate)", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2021-08-23T00:00:00", "id": "OPENSUSE-SU-2021:1183-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/467HBFXGJJT2G2NY45XULNMMNRQKSY46/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-04-18T12:39:52", "description": "An update that solves two vulnerabilities, contains three\n features and has four fixes is now available.\n\nDescription:\n\n This update for fetchmail fixes the following issues:\n\n - CVE-2021-36386: Fixed DoS or information disclosure in some\n configurations (bsc#1188875).\n - CVE-2021-39272: Fixed STARTTLS session encryption bypassing\n (fetchmail-SA-2021-02) (bsc#1190069).\n\n - Update to 6.4.22 (bsc#1152964, jsc#SLE-18159, jsc#SLE-17903,\n jsc#SLE-18059)\n - Remove all python2 dependencies (bsc#1190896).\n - De-hardcode /usr/lib path for launch executable (bsc#1174075).\n - Added hardening to systemd service(s) (bsc#1181400).\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-4018=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-12-14T00:00:00", "type": "suse", "title": "Security update for fetchmail (moderate)", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386", "CVE-2021-39272"], "modified": "2021-12-14T00:00:00", "id": "OPENSUSE-SU-2021:4018-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ZEYREAP5E4PNL4UXB7R6OYSFSQ5VNFHB/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-04-18T12:39:52", "description": "An update that solves two vulnerabilities, contains three\n features and has four fixes is now available.\n\nDescription:\n\n This update for fetchmail fixes the following issues:\n\n - CVE-2021-36386: Fixed DoS or information disclosure in some\n configurations (bsc#1188875).\n - CVE-2021-39272: Fixed STARTTLS session encryption bypassing\n (fetchmail-SA-2021-02) (bsc#1190069).\n\n - Update to 6.4.22 (bsc#1152964, jsc#SLE-18159, jsc#SLE-17903,\n jsc#SLE-18059)\n - Remove all python2 dependencies (bsc#1190896).\n - De-hardcode /usr/lib path for launch executable (bsc#1174075).\n - Added hardening to systemd service(s) (bsc#1181400).\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.2:\n\n zypper in -t patch openSUSE-2021-1591=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-12-17T00:00:00", "type": "suse", "title": "Security update for fetchmail (moderate)", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386", "CVE-2021-39272"], "modified": "2021-12-17T00:00:00", "id": "OPENSUSE-SU-2021:1591-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/2MQSBOFKUN3D2SAYKHGH2NQW7UGR6J7P/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "alpinelinux": [{"lastseen": "2022-05-12T09:32:23", "description": "report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic platform results in an impact beyond an inconvenience to the client user.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-30T14:15:00", "type": "alpinelinux", "title": "CVE-2021-36386", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2021-09-20T12:22:00", "id": "ALPINE:CVE-2021-36386", "href": "https://security.alpinelinux.org/vuln/CVE-2021-36386", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "mageia": [{"lastseen": "2022-04-18T11:19:35", "description": "Updated fetchmail packages fix security vulnerability: report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages (CVE-2021-36386). \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-08-06T09:33:48", "type": "mageia", "title": "Updated fetchmail packages fix security vulnerability\n", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386"], "modified": "2021-08-06T09:33:48", "id": "MGASA-2021-0391", "href": "https://advisories.mageia.org/MGASA-2021-0391.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "gentoo": [{"lastseen": "2022-09-25T16:17:32", "description": "### Background\n\nFetchmail is a remote mail retrieval and forwarding utility.\n\n### Description\n\nMultiple vulnerabilities have been discovered in Fetchmail. Please review the CVE identifiers referenced below for details.\n\n### Impact\n\nPlease review the referenced CVE identifiers for details.\n\n### Workaround\n\nThere is no known workaround at this time.\n\n### Resolution\n\nAll Fetchmail users should upgrade to the latest version:\n \n \n # emerge --sync\n # emerge --ask --oneshot --verbose \">=net-mail/fetchmail-6.4.22\"", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-09-25T00:00:00", "type": "gentoo", "title": "Fetchmail: Multiple Vulnerabilities", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386", "CVE-2021-39272"], "modified": "2022-09-25T00:00:00", "id": "GLSA-202209-14", "href": "https://security.gentoo.org/glsa/202209-14", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "almalinux": [{"lastseen": "2022-05-12T14:58:08", "description": "Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so the user can read it through their favorite mail client.\n\nSecurity Fix(es):\n\n* fetchmail: DoS or information disclosure when logging long messages (CVE-2021-36386)\n\n* fetchmail: STARTTLS session encryption bypassing (CVE-2021-39272)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-05-10T06:41:48", "type": "almalinux", "title": "Moderate: fetchmail 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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386", "CVE-2021-39272"], "modified": "2022-05-10T08:09:49", "id": "ALSA-2022:1964", "href": "https://errata.almalinux.org/8/ALSA-2022-1964.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "oraclelinux": [{"lastseen": "2022-05-17T14:43:07", "description": "[6.4.24-1]\n- Update to fetchmail-6.4.24 (fixes CVE-2021-36386 and CVE-2021-39272)\n Resolves: #1999275, #2002698", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-05-17T00:00:00", "type": "oraclelinux", "title": "fetchmail 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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386", "CVE-2021-39272"], "modified": "2022-05-17T00:00:00", "id": "ELSA-2022-1964", "href": "http://linux.oracle.com/errata/ELSA-2022-1964.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2019-05-29T18:37:23", "description": "[6.3.6-1.1.el5_3.1]\n- Fix fetchmail various flaws (CVE-2007-4565, CVE-2008-2711, CVE-2009-2666)\n Resolves: #516269", "cvss3": {}, "published": "2009-09-09T00:00:00", "type": "oraclelinux", "title": "fetchmail security update", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2009-2666", "CVE-2007-4565", "CVE-2008-2711"], "modified": "2009-09-09T00:00:00", "id": "ELSA-2009-1427", "href": "http://linux.oracle.com/errata/ELSA-2009-1427.html", "cvss": {"score": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:N"}}], "redhat": [{"lastseen": "2022-05-10T11:36:10", "description": "Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so the user can read it through their favorite mail client.\n\nSecurity Fix(es):\n\n* fetchmail: DoS or information disclosure when logging long messages (CVE-2021-36386)\n\n* fetchmail: STARTTLS session encryption bypassing (CVE-2021-39272)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-05-10T06:41:48", "type": "redhat", "title": "(RHSA-2022:1964) Moderate: fetchmail 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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386", "CVE-2021-39272"], "modified": "2022-05-10T10:05:22", "id": "RHSA-2022:1964", "href": "https://access.redhat.com/errata/RHSA-2022:1964", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-10-21T04:43:48", "description": "Fetchmail is a remote mail retrieval and forwarding utility intended for\nuse over on-demand TCP/IP links, such as SLIP and PPP connections.\n\nIt was discovered that fetchmail is affected by the previously published\n\"null prefix attack\", caused by incorrect handling of NULL characters in\nX.509 certificates. If an attacker is able to get a carefully-crafted\ncertificate signed by a trusted Certificate Authority, the attacker could\nuse the certificate during a man-in-the-middle attack and potentially\nconfuse fetchmail into accepting it by mistake. (CVE-2009-2666)\n\nA flaw was found in the way fetchmail handles rejections from a remote SMTP\nserver when sending warning mail to the postmaster. If fetchmail sent a\nwarning mail to the postmaster of an SMTP server and that SMTP server\nrejected it, fetchmail could crash. (CVE-2007-4565)\n\nA flaw was found in fetchmail. When fetchmail is run in double verbose\nmode (\"-v -v\"), it could crash upon receiving certain, malformed mail\nmessages with long headers. A remote attacker could use this flaw to cause\na denial of service if fetchmail was also running in daemon mode (\"-d\").\n(CVE-2008-2711)\n\nNote: when using SSL-enabled services, it is recommended that the fetchmail\n\"--sslcertck\" option be used to enforce strict SSL certificate checking.\n\nAll fetchmail users should upgrade to this updated package, which contains\nbackported patches to correct these issues. If fetchmail is running in\ndaemon mode, it must be restarted for this update to take effect (use the\n\"fetchmail --quit\" command to stop the fetchmail process).", "cvss3": {}, "published": "2009-09-08T00:00:00", "type": "redhat", "title": "(RHSA-2009:1427) Moderate: fetchmail security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2007-4565", "CVE-2008-2711", "CVE-2009-2666"], "modified": "2018-05-26T00:26:17", "id": "RHSA-2009:1427", "href": "https://access.redhat.com/errata/RHSA-2009:1427", "cvss": {"score": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:N"}}], "rocky": [{"lastseen": "2023-02-02T17:10:43", "description": "An update is available for fetchmail.\nThis update affects Rocky Linux 8.\nA Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list\nFetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so the user can read it through their favorite mail client.\n\nSecurity Fix(es):\n\n* fetchmail: DoS or information disclosure when logging long messages (CVE-2021-36386)\n\n* fetchmail: STARTTLS session encryption bypassing (CVE-2021-39272)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.6 Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-05-10T06:41:48", "type": "rocky", "title": "fetchmail 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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36386", "CVE-2021-39272"], "modified": "2022-05-10T06:41:48", "id": "RLSA-2022:1964", "href": "https://errata.rockylinux.org/RLSA-2022:1964", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "centos": [{"lastseen": "2023-01-01T04:49:59", "description": "**CentOS Errata and Security Advisory** CESA-2009:1427\n\n\nFetchmail is a remote mail retrieval and forwarding utility intended for\nuse over on-demand TCP/IP links, such as SLIP and PPP connections.\n\nIt was discovered that fetchmail is affected by the previously published\n\"null prefix attack\", caused by incorrect handling of NULL characters in\nX.509 certificates. If an attacker is able to get a carefully-crafted\ncertificate signed by a trusted Certificate Authority, the attacker could\nuse the certificate during a man-in-the-middle attack and potentially\nconfuse fetchmail into accepting it by mistake. (CVE-2009-2666)\n\nA flaw was found in the way fetchmail handles rejections from a remote SMTP\nserver when sending warning mail to the postmaster. If fetchmail sent a\nwarning mail to the postmaster of an SMTP server and that SMTP server\nrejected it, fetchmail could crash. (CVE-2007-4565)\n\nA flaw was found in fetchmail. When fetchmail is run in double verbose\nmode (\"-v -v\"), it could crash upon receiving certain, malformed mail\nmessages with long headers. A remote attacker could use this flaw to cause\na denial of service if fetchmail was also running in daemon mode (\"-d\").\n(CVE-2008-2711)\n\nNote: when using SSL-enabled services, it is recommended that the fetchmail\n\"--sslcertck\" option be used to enforce strict SSL certificate checking.\n\nAll fetchmail users should upgrade to this updated package, which contains\nbackported patches to correct these issues. If fetchmail is running in\ndaemon mode, it must be restarted for this update to take effect (use the\n\"fetchmail --quit\" command to stop the fetchmail process).\n\n**Merged security bulletin from advisories:**\nhttps://lists.centos.org/pipermail/centos-announce/2009-October/065701.html\nhttps://lists.centos.org/pipermail/centos-announce/2009-October/065702.html\nhttps://lists.centos.org/pipermail/centos-announce/2009-September/065600.html\nhttps://lists.centos.org/pipermail/centos-announce/2009-September/065601.html\nhttps://lists.centos.org/pipermail/centos-announce/2009-September/065602.html\nhttps://lists.centos.org/pipermail/centos-announce/2009-September/065603.html\nhttps://lists.centos.org/pipermail/centos-announce/2009-September/065634.html\nhttps://lists.centos.org/pipermail/centos-announce/2009-September/065635.html\n\n**Affected packages:**\nfetchmail\n\n**Upstream details at:**\nhttps://access.redhat.com/errata/RHSA-2009:1427", "cvss3": {}, "published": "2009-09-08T17:07:54", "type": "centos", "title": "fetchmail security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2007-4565", "CVE-2008-2711", "CVE-2009-2666"], "modified": "2009-10-30T14:43:49", "id": "CESA-2009:1427", "href": "https://lists.centos.org/pipermail/centos-announce/2009-September/065600.html", "cvss": {"score": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:N"}}]}
fetchmail -- 6.4.19 and older denial of service or information disclosure
