CVE-2011-1764
Estado: ModificadaAlta (7.5)—
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
CVSS
- Versión: 2.0
- Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.94%
- Percentil entre todas las CVEs puntuadas: 90
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-134
Referencias
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670
- http://bugs.exim.org/show_bug.cgi?id=1106
- http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- http://secunia.com/advisories/51155
- http://www.debian.org/security/2011/dsa-2232
- https://bugzilla.redhat.com/show_bug.cgi?id=702474
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670
- http://bugs.exim.org/show_bug.cgi?id=1106
- http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- http://secunia.com/advisories/51155
- http://www.debian.org/security/2011/dsa-2232
- https://bugzilla.redhat.com/show_bug.cgi?id=702474
JSON original (NVD)
Mostrar
{
"id": "CVE-2011-1764",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "secalert@redhat.com",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2011-10-05T02:56:24.707",
"references": [
{
"url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670",
"tags": [
"Patch"
],
"source": "secalert@redhat.com"
},
{
"url": "http://bugs.exim.org/show_bug.cgi?id=1106",
"tags": [
"Patch"
],
"source": "secalert@redhat.com"
},
{
"url": "http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8",
"tags": [
"Patch"
],
"source": "secalert@redhat.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html",
"source": "secalert@redhat.com"
},
{
"url": "http://secunia.com/advisories/51155",
"source": "secalert@redhat.com"
},
{
"url": "http://www.debian.org/security/2011/dsa-2232",
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702474",
"tags": [
"Patch"
],
"source": "secalert@redhat.com"
},
{
"url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://bugs.exim.org/show_bug.cgi?id=1106",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://secunia.com/advisories/51155",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.debian.org/security/2011/dsa-2232",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702474",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-134"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character."
},
{
"lang": "es",
"value": "Vulnerabilidad de formato de cadena en la función dkim_exim_verify_finish de src/dkim.c de Exim en versiones anteriores a 4.76. Puede permitir a atacantes remotos ejecutar código arbitrario o provocar una denegación de servicio (caída del demonio) a través de especificadores de formato de cadena en datos usados en el logging DKIM, tal como se ha demostrado en un campo identity que contenga un carácter % (tanto por ciento)."
}
],
"lastModified": "2026-06-16T23:29:58.950",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7C36CD99-E19F-41D3-AAB1-1F413B2BF115",
"versionEndIncluding": "4.75"
},
{
"criteria": "cpe:2.3:a:exim:exim:2.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DCB4B1A4-A631-4D25-B7F1-C180098E86AD"
},
{
"criteria": "cpe:2.3:a:exim:exim:2.11:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AE701510-2879-4C78-8C1D-151D5C527B4B"
},
{
"criteria": "cpe:2.3:a:exim:exim:2.12:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "00FEC5EC-EE91-4702-BD9D-4023243AA7C9"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.00:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CB2BAB64-3A0B-4B8D-8C9A-726435218123"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.01:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7BAF74CC-9C39-4FB6-94B5-26865A8BBA5F"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.02:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5F3BC841-2C51-4CBD-B666-FCB531F43AC4"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.03:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "69C84D14-E466-4FD3-B79C-D227AD178E4C"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3B5B15C1-3D3E-4875-AD4A-69798309DB3F"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.11:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "64368CD7-9F8C-4D33-98B5-2F429A1F77DF"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.12:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "40751F4F-46A3-4047-8532-CBEF2328D99C"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.13:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C38566A6-B0A0-4228-A038-04817FFD543F"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.14:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D1432D82-EA09-4C8B-A82D-BA41E14D3FE9"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.15:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0E5C3CA8-00BF-4A35-AA5B-45D21CC2F965"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.16:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "90E35B41-4048-43AD-8DF0-7B4088869A88"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.20:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3114B51A-E651-4095-B817-0978673FDE6F"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.21:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D6A6FC30-6AF0-4382-95B0-1672929F8150"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.22:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "97A2321F-017F-4D7F-A27A-22725912ABA3"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.30:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A2187D70-7ADA-401E-B03E-E1A92D9CDD59"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.31:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C8639E64-721A-4155-B775-CD3F775356F1"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.32:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DA92BC83-33D0-4387-8C93-F2F0754E227A"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.33:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F7E7B583-CB1D-43FE-A05C-4B31F64FD6A6"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.34:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A35D9EF0-0267-4092-BC67-4C4B842B8ABF"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.35:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5FE35F22-5B61-45A4-B8A2-67B8E792D58C"
},
{
"criteria": "cpe:2.3:a:exim:exim:3.36:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BC707056-63FC-4E61-A9A3-F89FE0E490E8"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.00:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "92A7C49F-8826-47A5-BA9E-28472DFC5EFB"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.01:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "52B3A794-43C7-4071-8E5A-EA209903165F"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.02:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "84DBC4E0-608F-40AA-AE30-D40D72F9BED4"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.03:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "71998344-4AC0-473F-980C-D8D0077E19A3"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.04:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "42DA6BCE-7F17-4426-B514-3D50C764F4C0"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.05:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "032862E6-F4CB-4E0E-93CA-0663E8536A1E"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0EC43E6B-2DA9-496E-BAD2-04FF4C3A53FA"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.11:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9FF31403-56FE-48D4-A93C-91B4DC89489B"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.12:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CB5A240D-CA4D-4929-BA60-DBE621A4E6F9"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.14:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6BE1A094-2760-49CA-84A8-84B19BE2BE59"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.20:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04C4B45D-A0AC-42B3-99D7-91F7B8D15B69"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.21:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "ED822CDF-C94B-4A16-BEEB-FECE51CBB744"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.22:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B52A1ECA-44CC-4DDE-B1AD-25AE27605317"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.23:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3E7D5D6F-8FDB-4AC2-A4D9-16E632AC8EAC"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.24:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A4FEC2B4-BD68-428E-91BC-BC85F72E3BE8"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.30:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "23EEBB47-2495-4FDB-9A55-415DA69392E8"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.31:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D4A8E154-32CC-4665-82A0-1DE7A51B2435"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.32:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4B594190-DF8F-45AE-8579-BD7B4568606F"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.33:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BD2D8712-4DF9-4A73-93A7-7719C3502E18"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.34:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2D9DF054-4CBF-4BA7-9A42-5627DC4B6A68"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.40:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B13E6533-BEB9-4082-9063-7E3CCBF4C36C"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.41:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "879B9641-3245-4CF7-912A-FD21372F46F4"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.42:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A91CA841-BBCA-4EF9-BC00-478A18797941"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.43:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EEA3F58C-3EF2-48B9-9171-7EFE72B1A3DD"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.44:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AFB37C45-54E7-4E91-8E6D-0A3E764E1702"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.50:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "31CBE3C0-4918-4FA6-B1E7-6336913EF8D6"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.51:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FC45BCE0-F190-4050-8B3B-869D0C1033AE"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.52:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6FD0E5A4-3FCB-46C1-A709-CA15D96FA9B0"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.53:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D3335C80-97AE-42DB-B125-0D3FA57D8317"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.54:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0F83560A-BDD7-456D-846C-D1DAF5C9DA64"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.60:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "22B9FD06-13E3-47CA-AB67-691DC3A9C330"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.61:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EE2A81F2-3E53-4A31-BCC6-BDC0E1B62CC8"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.62:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2A03C071-87BF-4D5E-ABED-472ABAEFAC71"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.63:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D1D96C53-989C-42C8-9E71-A206B78ED55A"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.64:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "30190EAB-7140-4E0A-B7A5-8FA8BD0749C9"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.65:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E0BD63C5-C916-4D7D-AE81-7B9676FC0951"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.66:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CCD8FE2F-8D53-407A-BB83-EB7725456D71"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.67:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "162F5CB4-1931-4236-8519-DD63A98BCEE0"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.68:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9EF06704-E078-42FA-89DA-7BCA169D0E5B"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.69:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B8F2CB6E-1ED1-4E56-9532-30D2BA6A53DD"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.70:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "452E9C94-B7FF-40A9-A7F9-FC38824F6135"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.71:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A8EB3709-D51F-46D1-99B8-CFB4C2275077"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.72:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CBDB2156-072B-4392-9DC8-266FF1B8C7A4"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.73:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "02F8A053-4578-4C45-A193-C188E45ED010"
},
{
"criteria": "cpe:2.3:a:exim:exim:4.74:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A5DC11D6-F67F-40A8-B8BF-2E76DD2F9091"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secalert@redhat.com"
}