Permissions, Privileges, and Access Controls in Gnash - CVE-2011-4328

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

plugin/npapi/plugin.cpp in Gnash before 0.8.10 uses weak permissions (world readable) for cookie files with predictable names in /tmp, which allows local users to obtain sensitive information.

Affected software

How to mitigate CVE-2011-4328

External References

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=649384
• http://git.savannah.gnu.org/gitweb/?p=gnash.git;a=commitdiff;h=fa481c116e65ccf9137c7ddc8abc3cf05dc12f55
• http://lists.opensuse.org/opensuse-updates/2012-03/msg00003.html
• http://lists.opensuse.org/opensuse-updates/2012-03/msg00026.html
• http://secunia.com/advisories/48325
• http://secunia.com/advisories/48466
• http://www.debian.org/security/2012/dsa-2435
• http://www.openwall.com/lists/oss-security/2011/11/21/12
• http://www.openwall.com/lists/oss-security/2011/11/21/7
• http://www.osvdb.org/77243
• http://www.securityfocus.com/bid/50747
• https://bugzilla.redhat.com/show_bug.cgi?id=755518

Related Security Bulletins

• Permissions, Privileges, and Access Controls in GNU Gnash
• Gentoo update for Gnash