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CVE-2012-5671

Published: 26 October 2012

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.

Priority

High

Status

Package Release Status
exim4
Launchpad, Ubuntu, Debian
upstream Needs triage

hardy Not vulnerable
(code not present)
lucid
Released (4.71-3ubuntu1.4)
natty
Released (4.74-1ubuntu1.3)
oneiric
Released (4.76-2ubuntu1.1)
precise
Released (4.76-3ubuntu3.1)
quantal
Released (4.80-3ubuntu1.1)