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medium6.9Public exploit code

CVE-2013-2852

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 thr…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 2.6.12 before 3.0.83
from 3.1 before 3.2.47
from 3.3 before 3.4.50
from 3.5 before 3.9.7
DebianDebian Linux
Version 6.0
CanonicalUbuntu Linux
Versions 10.04, 12.04, 12.10, 13.04

Weakness classification

CWE-134

References