CVE-2011-4328: Medium severity gnu gnash vulnerability
A security flaw was found in the way Shockwave Flash plug-in of the gnash, a GNU flash movie player, performed management of HTTP cookies (they were stored under /tmp directory with world-readable permissions). A local attacker could use this flaw to obtain sensitive information.
References: [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=649384
Other sources
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.
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-4328?
CVE-2011-4328 has been assigned a moderate severity level due to the risk of sensitive information disclosure.
How do I fix CVE-2011-4328?
To fix CVE-2011-4328, it is recommended to upgrade the GNU Gnash player to version 0.8.9 or later.
What kind of attack can exploit CVE-2011-4328?
CVE-2011-4328 can be exploited by local attackers to access sensitive information through improperly managed HTTP cookies.
Which versions of GNU Gnash are affected by CVE-2011-4328?
CVE-2011-4328 affects GNU Gnash versions 0.8.5 to 0.8.9, including all versions prior to these.
Is there a known workaround for CVE-2011-4328?
There are no specific workarounds for CVE-2011-4328, the best course of action is to update to a secure version.