Vulnerability CVE-2013-2852
Published: 2013-06-07

Description:
Format string vulnerability in the b43_request_firmware function in drivers/net/wireless/b43/main.c in the Broadcom B43 wireless driver in the Linux kernel through 3.9.4 allows local users to gain privileges by leveraging root access and including format string specifiers in an fwpostfix modprobe parameter, leading to improper construction of an error message.

See advisories in our WLB2 database:
Topic
Author
Date
High
Linux Kernel block layer & b43 wireless driver format string
Kees Cook
07.06.2013

Type:

CWE-134

 (Uncontrolled Format String)

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 

 References:
http://git.kernel.org/cgit/linux/kernel/git/linville/wireless.git/commit/?id=9538cbaab6e8b8046039b4b2eb6c9d614dc782bd
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
http://rhn.redhat.com/errata/RHSA-2013-1051.html
http://rhn.redhat.com/errata/RHSA-2013-1450.html
http://www.debian.org/security/2013/dsa-2766
http://www.openwall.com/lists/oss-security/2013/06/06/13
http://www.ubuntu.com/usn/USN-1899-1
http://www.ubuntu.com/usn/USN-1900-1
http://www.ubuntu.com/usn/USN-1914-1
http://www.ubuntu.com/usn/USN-1915-1
http://www.ubuntu.com/usn/USN-1916-1
http://www.ubuntu.com/usn/USN-1917-1
http://www.ubuntu.com/usn/USN-1918-1
http://www.ubuntu.com/usn/USN-1919-1
http://www.ubuntu.com/usn/USN-1920-1
http://www.ubuntu.com/usn/USN-1930-1
https://bugzilla.redhat.com/show_bug.cgi?id=969518
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