fkie_cve-2012-5671
Vulnerability from fkie_nvd
Published
2012-10-31 16:55
Modified
2024-11-21 01:45
Severity ?
Summary
Heap-based buffer overflow in the dkim_exim_query_dns_txt function in dkim.c in Exim 4.70 through 4.80, when DKIM support is enabled and acl_smtp_connect and acl_smtp_rcpt are not set to "warn control = dkim_disable_verify," allows remote attackers to execute arbitrary code via an email from a malicious DNS server.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:exim:exim:4.70:*:*:*:*:*:*:*",
"matchCriteriaId": "452E9C94-B7FF-40A9-A7F9-FC38824F6135",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:exim:exim:4.71:*:*:*:*:*:*:*",
"matchCriteriaId": "A8EB3709-D51F-46D1-99B8-CFB4C2275077",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:exim:exim:4.72:*:*:*:*:*:*:*",
"matchCriteriaId": "CBDB2156-072B-4392-9DC8-266FF1B8C7A4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:exim:exim:4.73:*:*:*:*:*:*:*",
"matchCriteriaId": "02F8A053-4578-4C45-A193-C188E45ED010",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:exim:exim:4.74:*:*:*:*:*:*:*",
"matchCriteriaId": "A5DC11D6-F67F-40A8-B8BF-2E76DD2F9091",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:exim:exim:4.75:*:*:*:*:*:*:*",
"matchCriteriaId": "5854CAF2-1587-4B91-9F9B-E2C57C22C426",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:exim:exim:4.76:*:*:*:*:*:*:*",
"matchCriteriaId": "24D504C3-139D-4627-BD72-B6B46B360CE6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:exim:exim:4.77:*:*:*:*:*:*:*",
"matchCriteriaId": "FF796BE5-380B-4DBF-A4FF-4CDF98B69C97",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:exim:exim:4.80:*:*:*:*:*:*:*",
"matchCriteriaId": "6526E201-30CC-4C12-B2B4-06EBA663D39F",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Heap-based buffer overflow in the dkim_exim_query_dns_txt function in dkim.c in Exim 4.70 through 4.80, when DKIM support is enabled and acl_smtp_connect and acl_smtp_rcpt are not set to \"warn control = dkim_disable_verify,\" allows remote attackers to execute arbitrary code via an email from a malicious DNS server."
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer basado en memoria din\u00e1mica en la funci\u00f3n dkim_exim_query_dns_txt en dkim.c en Exim v4.70 hasta v4.80, cuando el soporte DKIM est\u00e1 habilitado y acl_smtp_connect y acl_smtp_rcpt no est\u00e1n establecidos en \"warn control = dkim_disable_verify\", permite a atacantes remotos ejecutar c\u00f3digo arbitrario a trav\u00e9s de un correo electr\u00f3nico de un servidor DNS malicioso."
}
],
"id": "CVE-2012-5671",
"lastModified": "2024-11-21T01:45:05.460",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-10-31T16:55:06.577",
"references": [
{
"source": "cve@mitre.org",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091664.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090900.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090963.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00018.html"
},
{
"source": "cve@mitre.org",
"url": "http://osvdb.org/86616"
},
{
"source": "cve@mitre.org",
"tags": [
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],
"url": "http://secunia.com/advisories/51098"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/51115"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/51153"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/51155"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2012/dsa-2566"
},
{
"source": "cve@mitre.org",
"url": "http://www.openwall.com/lists/oss-security/2012/10/26/5"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/56285"
},
{
"source": "cve@mitre.org",
"url": "http://www.ubuntu.com/usn/USN-1618-1"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/79615"
},
{
"source": "cve@mitre.org",
"url": "https://lists.exim.org/lurker/message/20121026.080330.74b9147b.en.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091664.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090900.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090963.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00018.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://osvdb.org/86616"
},
{
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"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/51098"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51115"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51153"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51155"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2012/dsa-2566"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/10/26/5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/56285"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-1618-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/79615"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.exim.org/lurker/message/20121026.080330.74b9147b.en.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.