CVE-2012-5671

Upstream information

CVE-2012-5671 at MITRE

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.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores

CVSS detail	National Vulnerability Database
Base Score	6.8
Vector	AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

SUSE Bugzilla entry: 786652 [RESOLVED / FIXED]

SUSE Security Advisories:

• openSUSE-SU-2012:1404-1, published Fri Dec 8 15:48:58 2023
openSUSE-SU-2014:0983-1 openSUSE-SU-2014:0986-1

List of released packages

Product(s)	Fixed package version(s)	References
openSUSE Tumbleweed	exim >= 4.86.2-2.2 eximon >= 4.86.2-2.2 eximstats-html >= 4.86.2-2.2	Patchnames: openSUSE-Tumbleweed-2024-10017

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SUSE Timeline for this CVE

CVE page created: Tue Jul 9 19:40:35 2013
CVE page last modified: Sat Nov 1 19:53:54 2025