Permissions, Privileges, and Access Controls in Gnash - CVE-2011-4328
Published: June 16, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43982
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-4328
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Gnash
Gnash
Detailed vulnerability description
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.
How to mitigate CVE-2011-4328
Install update from vendor's website.
Sources
- 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