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GNU TeXmacs: Privilege escalation


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201401-27 / texmacs
Release Date January 26, 2014
Latest Revision January 26, 2014: 2
Impact high
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
app-office/texmacs < >= All supported architectures

Related bugreports: #337532


A vulnerability in GNU TeXmacs could result in privilege escalation.

2.  Impact Information


GNU TeXmacs is a free WYSIWYG editing platform with special features for scientists.


The texmacs and tm_mupad_help scripts in TeXmacs place a zero-length directory name in the LD_LIBRARY_PATH, which might result in the current working directory (.) to be included when searching for dynamically linked libraries.


A local attacker could gain escalated privileges via a specially crafted shared library.

3.  Resolution Information


There is no known workaround at this time.


All GNU TeXmacs users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-office/texmacs-"

NOTE: This is a legacy GLSA. Updates for all affected architectures are available since April 02, 2011. It is likely that your system is already no longer affected by this issue.

4.  References


Page updated January 26, 2014

Summary: This is a Gentoo Linux Security Advisory

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