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Debian Security Advisory DSA 3803-1 (texlive-base - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
It was discovered that texlive-base, the TeX Live package which provides the essential TeX programs and files, whitelists mpost as an external program to be run from within the TeX source code (called \write18). Since mpost allows to specify other programs to be run, an attacker can take advantage of this flaw for arbitrary code execution when compiling a TeX document.
Affected Software
Affected Software
texlive-base 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), this problem has been fixed in version 2014.20141024-2+deb8u1. For the upcoming stable distribution (stretch), this problem has been fixed in version 2016.20161130-1. For the unstable distribution (sid), this problem has been fixed in version 2016.20161130-1. We recommend that you upgrade your texlive-base packages.