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CSTeX: Multiple vulnerabilities

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200711-34 / cstetex
Release Date November 25, 2007
Latest Revision November 25, 2007: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
app-text/cstetex < 2.0.2-r2 * All supported architectures

Warning: *: Needs to be manually updated

Related bugreports: #196673

Synopsis

Multiple vulnerabilities were discovered in CSTeX, possibly allowing to execute arbitrary code or overwrite arbitrary files.

2.  Impact Information

Background

CSTeX is a TeX distribution with Czech and Slovak support. It is used for creating and manipulating LaTeX documents.

Description

Multiple issues were found in the teTeX 2 codebase that CSTeX builds upon (GLSA 200709-17, GLSA 200711-26). CSTeX also includes vulnerable code from the GD library (GLSA 200708-05), from Xpdf (GLSA 200709-12, GLSA 200711-22) and from T1Lib (GLSA 200710-12).

Impact

Remote attackers could possibly execute arbitrary code and local attackers could possibly overwrite arbitrary files with the privileges of the user running CSTeX via multiple vectors.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

CSTeX is not maintained upstream, so the package was masked in Portage. We recommend that users unmerge CSTeX:

Code Listing 3.1: Resolution

# emerge --unmerge app-text/cstetex

As an alternative, users should upgrade their systems to use teTeX or TeX Live with its Babel packages.

4.  References



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Page updated November 25, 2007

Summary: This is a Gentoo Linux Security Advisory

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