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Debian Security Advisory DSA 3798-1 (tnef - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Eric Sesterhenn, from X41 D-Sec GmbH, discovered several vulnerabilities in tnef, a tool used to unpack MIME attachments of type application/ms-tnef . Multiple heap overflows, type confusions and out of bound reads and writes could be exploited by tricking a user into opening a malicious attachment. This would result in denial of service via application crash, or potential arbitrary code execution.
Affected Software
Affected Software
tnef on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), these problems have been fixed in version 1.4.9-1+deb8u1. We recommend that you upgrade your tnef packages.