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Gentoo: 201207-08 Normal: Gnash Multiple Threats Including DoS

gentoo
Calendar Grey July 9, 2012
Dist Gentoo Esm H88
Various vulnerabilities in Gnash may result in arbitrary code execution, denial of service, or exposure of sensitive information. It is advised to perform an upgrade.
Multiple vulnerabilities have been found in Gnash which could result in execution of arbitrary code, Denial of Service, or information disclosure

Summary

Multiple vulnerabilities have been found in Gnash: * The "nsPluginInstance::setupCookies()" function in plugin.cpp creates world-readable cookies with predictable file names (CVE-2011-4328). * The "GnashImage::size()" function in GnashImage.h contains an integer overflow error which could cause a heap-based buffer overflow (CVE-2012-1175).

Topics%20covered

Topics Covered

security advisory denial of service gentoo code execution information disclosure normal severity gnash

Resolution

All Gnash users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-plugins/gnash-0.8.10-r2"

References

[ 1 ] CVE-2011-4328 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4328 [ 2 ] CVE-2012-1175 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1175

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201207-08
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: Gnash: Multiple vulnerabilities
Date: July 09, 2012
Bugs: #391283, #408209
ID: 201207-08

Topics%20covered

Topics Covered

security advisory denial of service gentoo code execution information disclosure normal severity gnash

Synopsis

Multiple vulnerabilities have been found in Gnash which could result in execution of arbitrary code, Denial of Service, or information disclosure.

Background

Gnash is a GNU flash movie player that supports many SWF features.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-plugins/gnash < 0.8.10-r2 >= 0.8.10-r2

Impact

===== A remote attacker could entice a user to open a specially crafted SWF file, possibly resulting in execution of arbitrary code or a Denial of Service condition. Furthermore, a local attacker may be able to obtain sensitive information.

Workaround

There is no known workaround at this time.

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