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[ GLSA 200711-26 ] teTeX: Multiple vulnerabilities
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Joined: 12 May 2004
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PostPosted: Mon Nov 19, 2007 1:26 am    Post subject: [ GLSA 200711-26 ] teTeX: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: teTeX: Multiple vulnerabilities (GLSA 200711-26)
Severity: normal
Exploitable: remote
Date: November 18, 2007
Bug(s): #198238
ID: 200711-26


Multiple vulnerabilities have been discovered in teTeX, possibly allowing
to execute arbitrary code or overwrite arbitrary files.


teTeX is a complete TeX distribution for editing documents.

Affected Packages

Package: app-text/tetex
Vulnerable: < 3.0_p1-r6
Unaffected: >= 3.0_p1-r6
Architectures: All supported architectures


Joachim Schrod discovered several buffer overflow vulnerabilities and
an insecure temporary file creation in the "dvilj" application that is
used by dvips to convert DVI files to printer formats (CVE-2007-5937,
CVE-2007-5936). Bastien Roucaries reported that the "dvips" application
is vulnerable to two stack-based buffer overflows when processing DVI
documents with long href{} URIs (CVE-2007-5935). teTeX also includes
code from Xpdf that is vulnerable to a memory corruption and two
heap-based buffer overflows (GLSA 200711-22); and it contains code from
T1Lib that is vulnerable to a buffer overflow when processing an overly
long font filename (GLSA 200710-12).


A remote attacker could entice a user to process a specially crafted
DVI or PDF file which could lead to the execution of arbitrary code
with the privileges of the user running the application. A local
attacker could exploit the "dvilj" vulnerability to conduct a symlink
attack to overwrite arbitrary files.


There is no known workaround at this time.


All teTeX users should upgrade to the latest version:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/tetex-3.0_p1-r6"


GLSA 200710-12
GLSA 200711-22

Last edited by GLSA on Mon Jun 10, 2013 4:26 am; edited 1 time in total
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