CVE-2012-5671

NameCVE-2012-5671
DescriptionHeap-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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2566-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
exim4 (PTS)bullseye4.94.2-7+deb11u3fixed
bullseye (security)4.94.2-7+deb11u4fixed
bookworm4.96-15+deb12u6fixed
bookworm (security)4.96-15+deb12u5fixed
sid, trixie4.98-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exim4sourcesqueeze4.72-6+squeeze3DSA-2566-1
exim4source(unstable)4.80-5.1medium
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