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; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2566-1
NVD severitymedium (attack range: remote)
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
exim4 (PTS)squeeze4.72-6+squeeze4fixed
squeeze (security)4.72-6+squeeze3fixed
wheezy4.80-7+deb7u1fixed
jessie, sid4.84-8fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exim4source(unstable)4.80-5.1medium
exim4sourcesqueeze4.72-6+squeeze3mediumDSA-2566-1

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