Debian: DSA-2435-1: gnash security update
Summary
Several vulnerabilities have been identified in Gnash, the GNU Flash
player.
CVE-2012-1175
Tielei Wang from Georgia Tech Information Security Center discovered a
vulnerability in GNU Gnash which is caused due to an integer overflow
error and can be exploited to cause a heap-based buffer overflow by
tricking a user into opening a specially crafted SWF file.
CVE-2011-4328
Alexander Kurtz discovered an unsafe management of HTTP cookies. Cookie
files are stored under /tmp and have predictable names, vulnerability
that allows a local attacker to overwrite arbitrary files the users has
write permissions for, and are also world-readable which may cause
information leak.
CVE-2010-4337
Jakub Wilk discovered an unsafe management of temporary files during the
build process. Files are stored under /tmp and have predictable names,
vulnerability that allows a local attacker to overwrite arbitrary files
the users has write permissions for.
For the stable distribution (squeeze), this problem has been fixed in
version 0.8.8-5+squeeze1.
For the unstable distribution (sid), this problem has been fixed in
version 0.8.10-5.
We recommend that you upgrade your gnash packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org