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CVE-2012-5671 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091664.html	CVE
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090900.html	CVE
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090963.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00018.html	CVE
http://osvdb.org/86616	CVE
http://secunia.com/advisories/51098	CVE	Vendor Advisory
http://secunia.com/advisories/51115	CVE
http://secunia.com/advisories/51153	CVE
http://secunia.com/advisories/51155	CVE
https://exchange.xforce.ibmcloud.com/vulnerabilities/79615	CVE
https://lists.exim.org/lurker/message/20121026.080330.74b9147b.en.html	CVE
http://www.debian.org/security/2012/dsa-2566	CVE
http://www.openwall.com/lists/oss-security/2012/10/26/5	CVE
http://www.securityfocus.com/bid/56285	CVE
http://www.ubuntu.com/usn/USN-1618-1	CVE
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091664.html	[email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090900.html	[email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090963.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00018.html	[email protected]
http://osvdb.org/86616	[email protected]
http://secunia.com/advisories/51098	[email protected]	Vendor Advisory
http://secunia.com/advisories/51115	[email protected]
http://secunia.com/advisories/51153	[email protected]
http://secunia.com/advisories/51155	[email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/79615	[email protected]
https://lists.exim.org/lurker/message/20121026.080330.74b9147b.en.html	[email protected]
http://www.debian.org/security/2012/dsa-2566	[email protected]
http://www.openwall.com/lists/oss-security/2012/10/26/5	[email protected]
http://www.securityfocus.com/bid/56285	[email protected]
http://www.ubuntu.com/usn/USN-1618-1	[email protected]

see all 30 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
exim exim	4.70 4.71 4.72 4.73 4.74
CPE cpe:2.3:a:exim:exim:4.70:::::::* cpe:2.3:a:exim:exim:4.71:::::::* cpe:2.3:a:exim:exim:4.72:::::::* cpe:2.3:a:exim:exim:4.73:::::::* cpe:2.3:a:exim:exim:4.74:::::::* cpe:2.3:a:exim:exim:4.75:::::::* cpe:2.3:a:exim:exim:4.76:::::::* cpe:2.3:a:exim:exim:4.77:::::::* cpe:2.3:a:exim:exim:4.80:::::::* Remediation No remediation found in references.

Product

Versions

exim exim

4.70

4.71

4.72

4.73

4.74

CPE

cpe:2.3:a:exim:exim:4.70:*:*:*:*:*:*:*
cpe:2.3:a:exim:exim:4.71:*:*:*:*:*:*:*
cpe:2.3:a:exim:exim:4.72:*:*:*:*:*:*:*
cpe:2.3:a:exim:exim:4.73:*:*:*:*:*:*:*
cpe:2.3:a:exim:exim:4.74:*:*:*:*:*:*:*
cpe:2.3:a:exim:exim:4.75:*:*:*:*:*:*:*
cpe:2.3:a:exim:exim:4.76:*:*:*:*:*:*:*
cpe:2.3:a:exim:exim:4.77:*:*:*:*:*:*:*
cpe:2.3:a:exim:exim:4.80:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 29, 2017	CVE Modified	[email protected]
Nov 1, 2012	Initial Analysis	[email protected]