CVE-2012-4502 (GCVE-0-2012-4502)

Vulnerability from cvelistv5 – Published: 2013-11-05 21:00 – Updated: 2024-09-17 04:24
VLAI?
Summary
Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow. NOTE: versions 1.27 and 1.28 do not require authentication to exploit.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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NOTE: versions 1.27 and 1.28 do not require authentication to exploit.\"},{\"lang\":\"es\",\"value\":\"M\u00faltiples desbordamientos de enteros en pktlength.c en Chrony anterior a 1.29 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de un (1) REQ_SUBNETS_ACCESSED manipulado o (2) comando  REQ_CLIENT_ACCESSES a la  funci\u00f3n PKL_CommandLength o la manipulaci\u00f3n de  (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES), (5) RPY_CLIENT_ACCESSES_BY_INDEX, o (6) Respuesta del comando RPY_MANUAL_LIST por la funci\u00f3n PKL_ReplyLength, lo que provoca un  desbordamiento de buffer o lectura fuera de l\u00edmite. NOTA: Las versiones 1.27 y 1.28 no requieren autenticaci\u00f3n para  su  explotaci\u00f3n.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-189\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.28\",\"matchCriteriaId\":\"7E236713-16ED-4ED1-9210-84C3F8F9E03F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D9F6D403-6DA1-4A95-B498-97D9775DAF31\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0EDD31BF-50F3-4669-8AD4-C5310C2CAAB3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.18:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BE7B1A16-5E42-4571-BD0A-306E452F88C5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.19:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3876201F-F20D-42DA-912A-17B6108C05A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.19.99.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3E0A3321-1CC7-47C1-A7F1-1FFC0CBA892A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.19.99.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"203D6F3C-367E-4D39-8081-499A4847DB40\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.19.99.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F94EADFC-7FAC-47B5-8024-1F1D81F57E02\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.20:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FF708CE0-F27C-474D-AB0C-296DCB53F416\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D4B0E62E-A525-4E0C-A5DF-512D79D7A68A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.21:pre1:*:*:*:*:*:*\",\"matchCriteriaId\":\"14E0645D-717C-420F-BA1C-8B8C86CA7E28\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.23:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C3404172-1C34-46A4-B94A-3EF852C0C1E3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.23:pre1:*:*:*:*:*:*\",\"matchCriteriaId\":\"A5EF5C83-67EE-4E29-9B67-4B2551AA1DD6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.23.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0C0EFE21-9119-4A5A-9627-4AF9A4C1A3A3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.24:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4AD3192E-2D26-4D2C-BF0F-4AB2A3670725\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.24:pre1:*:*:*:*:*:*\",\"matchCriteriaId\":\"BD2A78C2-11AE-4DBB-935C-73AB7F9DDB4E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.25:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"628AA82E-CED1-439A-BCA2-051D6B6F3F10\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.25:pre1:*:*:*:*:*:*\",\"matchCriteriaId\":\"C9057824-14B1-4F47-A47B-785DD4535E07\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.25:pre2:*:*:*:*:*:*\",\"matchCriteriaId\":\"9D1467D4-2C22-4DA7-869D-7DC8735A5473\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.26:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EFE3E748-3834-463F-8C67-DAC51C2BF761\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.26:pre1:*:*:*:*:*:*\",\"matchCriteriaId\":\"DD7D828F-0E16-49F5-BC07-BC5C7F56A497\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.27:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3A68D07C-EA41-4CF0-B0C5-4E3358F0AB68\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.27:pre1:*:*:*:*:*:*\",\"matchCriteriaId\":\"25048F2C-AD32-4776-975B-69C5757C79D8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxfamily:chrony:1.28:pre1:*:*:*:*:*:*\",\"matchCriteriaId\":\"30481FF5-B26F-4034-8C34-CE935B9C257D\"}]}]}],\"references\":[{\"url\":\"http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=7712455d9aa33d0db0945effaa07e900b85987b1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://permalink.gmane.org/gmane.comp.time.chrony.announce/15\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://seclists.org/oss-sec/2013/q3/332\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.debian.org/security/2013/dsa-2760\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=846392\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=7712455d9aa33d0db0945effaa07e900b85987b1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://permalink.gmane.org/gmane.comp.time.chrony.announce/15\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://seclists.org/oss-sec/2013/q3/332\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.debian.org/security/2013/dsa-2760\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=846392\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.