CVE-2013-2852

Description

From CVE.org

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.

Statement

This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5.

This issue does affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6, and Red Hat Enterprise MRG. Future updates for Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG may address this issue.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

CVSS v2 Score Breakdown

Red HatNVDcve.org
Base Score66.9N/A
Attack VectorLocalLocalN/A
Access ComplexityHighMediumN/A
AuthenticationSingleNoneN/A
Confidentiality ImpactCompleteCompleteN/A
Integrity ImpactCompleteCompleteN/A
Availability ImpactCompleteCompleteN/A

Vector

Red Hat: AV:L/AC:H/Au:S/C:C/I:C/A:C

NVD: AV:L/AC:M/Au:N/C:C/I:C/A:C

Acknowledgements

Red Hat would like to thank Kees Cook for reporting this issue.

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