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[ GLSA 201401-27 ] GNU TeXmacs: Privilege escalation
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PostPosted: Tue Jan 28, 2014 4:22 am    Post subject: [ GLSA 201401-27 ] GNU TeXmacs: Privilege escalation Reply with quote

Gentoo Linux Security Advisory

Title: GNU TeXmacs: Privilege escalation (GLSA 201401-27)
Severity: high
Exploitable: local
Date: January 26, 2014
Bug(s): #337532
ID: 201401-27

Synopsis

A vulnerability in GNU TeXmacs could result in privilege
escalation.


Background

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


Affected Packages

Package: app-office/texmacs
Vulnerable: < 1.0.7.2-r1
Unaffected: >= 1.0.7.2-r1
Architectures: All supported architectures


Description

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.


Impact

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


Workaround

There is no known workaround at this time.

Resolution

All GNU TeXmacs users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=app-office/texmacs-1.0.7.2-r1"
   
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.


References


CVE-2010-3394
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