CVE-2012-4502

{"id": "CVE-2012-4502", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2013-11-05T21:55:08.047", "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", "tags": ["Patch", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://seclists.org/oss-sec/2013/q3/332", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://www.debian.org/security/2013/dsa-2760", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=846392", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"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", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://seclists.org/oss-sec/2013/q3/332", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"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", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-189"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"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."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7E236713-16ED-4ED1-9210-84C3F8F9E03F", "versionEndIncluding": "1.28"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D9F6D403-6DA1-4A95-B498-97D9775DAF31"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0EDD31BF-50F3-4669-8AD4-C5310C2CAAB3"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.18:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BE7B1A16-5E42-4571-BD0A-306E452F88C5"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.19:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3876201F-F20D-42DA-912A-17B6108C05A6"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.19.99.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3E0A3321-1CC7-47C1-A7F1-1FFC0CBA892A"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.19.99.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "203D6F3C-367E-4D39-8081-499A4847DB40"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.19.99.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F94EADFC-7FAC-47B5-8024-1F1D81F57E02"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.20:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF708CE0-F27C-474D-AB0C-296DCB53F416"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.21:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D4B0E62E-A525-4E0C-A5DF-512D79D7A68A"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.21:pre1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "14E0645D-717C-420F-BA1C-8B8C86CA7E28"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.23:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C3404172-1C34-46A4-B94A-3EF852C0C1E3"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.23:pre1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A5EF5C83-67EE-4E29-9B67-4B2551AA1DD6"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.23.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0C0EFE21-9119-4A5A-9627-4AF9A4C1A3A3"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.24:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AD3192E-2D26-4D2C-BF0F-4AB2A3670725"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.24:pre1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD2A78C2-11AE-4DBB-935C-73AB7F9DDB4E"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.25:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "628AA82E-CED1-439A-BCA2-051D6B6F3F10"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.25:pre1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C9057824-14B1-4F47-A47B-785DD4535E07"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.25:pre2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D1467D4-2C22-4DA7-869D-7DC8735A5473"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.26:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EFE3E748-3834-463F-8C67-DAC51C2BF761"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.26:pre1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD7D828F-0E16-49F5-BC07-BC5C7F56A497"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.27:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3A68D07C-EA41-4CF0-B0C5-4E3358F0AB68"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.27:pre1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "25048F2C-AD32-4776-975B-69C5757C79D8"}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.28:pre1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "30481FF5-B26F-4034-8C34-CE935B9C257D"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}