GLSA-200711-26 : teTeX: Multiple vulnerabilities

This script is Copyright (C) 2007-2017 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200711-26
(teTeX: Multiple vulnerabilities)

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).

Impact :

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.

Workaround :

There is no known workaround at this time.

See also :


Solution :

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

Risk factor :

Medium / CVSS Base Score : 6.8
CVSS Temporal Score : 5.9
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 28265 (gentoo_GLSA-200711-26.nasl)

Bugtraq ID: 26469

CVE ID: CVE-2007-5935

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