CVE-2012-5671

Priority
High
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.
References
Assigned-to
mdeslaur
Package
Source: exim4 (LP Ubuntu Debian)
Upstream:needs-triage
Ubuntu 8.04 LTS (Hardy Heron):not-affected (code not present)
Ubuntu 10.04 LTS (Lucid Lynx):released (4.71-3ubuntu1.4)
Ubuntu 11.10 (Oneiric Ocelot):released (4.76-2ubuntu1.1)
Ubuntu 12.04 LTS (Precise Pangolin):released (4.76-3ubuntu3.1)
Ubuntu 12.10 (Quantal Quetzal):released (4.80-3ubuntu1.1)
Ubuntu 13.04 (Raring Ringtail):not-affected (4.80-3ubuntu1.1)
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Updated: 2012-11-07 22:15:22 UTC (commit 6013)