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Debian Security Advisory DSA 2566-1 (exim4)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to exim4 announced via advisory DSA 2566-1.
Insight
Insight
It was discovered that Exim, a mail transport agent, is not properly handling the decoding of DNS records for DKIM. Specifically, crafted records can yield to a heap-based buffer overflow. An attacker can exploit this flaw to execute arbitrary code. For the stable distribution (squeeze), this problem has been fixed in version 4.72-6+squeeze3. For the testing distribution (wheezy), this problem has been fixed in version 4.80-5.1. For the unstable distribution (sid), this problem has been fixed in version 4.80-5.1.
Solution
Solution
We recommend that you upgrade your exim4 packages.