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CVE-2008-5134: Linux Kernel: Buffer overflow
CVE-2008-5134 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Linux Kernel. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
Buffer overflow in the lbs_process_bss function in drivers/net/wireless/libertas/scan.c in the libertas subsystem in the Linux kernel before 2.6.27.5 allows remote attackers to have an unknown impact via an "invalid beacon/probe response."
Severity breakdown
CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C
- Access vector: Network. Exploitable remotely over the network.
- Access complexity: Low. No special conditions are required.
- Authentication: None. No authentication is needed.
- Confidentiality impact: Complete. Total information disclosure.
- Integrity impact: Complete. Total loss of integrity.
- Availability impact: Complete. Total shutdown of the component.
Underlying weakness
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.
Affected products
- Linux Kernel: up to and including 2.6.27.4; 2.6.0; 2.6.1; 2.6.2; 2.6.3; 2.6.4; 2.6.5; 2.6.6; 2.6.7; 2.6.8; 2.6.8.1; 2.6.9
References
- http://article.gmane.org/gmane.linux.kernel.wireless.general/23049
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=48735d8d8bd701b1e0cd3d49c21e5e385ddcb077
- http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00006.html
- http://openwall.com/lists/oss-security/2008/11/11/2
- http://secunia.com/advisories/32998
- http://secunia.com/advisories/33641
- http://secunia.com/advisories/33706
- http://secunia.com/advisories/33854
- http://www.debian.org/security/2008/dsa-1681
- http://www.redhat.com/support/errata/RHSA-2009-0053.html
- http://www.securityfocus.com/bid/32484
- https://bugzilla.redhat.com/show_bug.cgi?id=470761
- https://usn.ubuntu.com/714-1/