CVE-2013-2852

Impact:
Low
Public Date:
2013-06-06
Bugzilla:
969518: CVE-2013-2852 kernel: b43: format string leaking into error msgs

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-2852 from the MITRE CVE dictionary dictionary and NIST NVD.

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.

CVSS v2 metrics

Base Score 6
Base Metrics AV:L/AC:H/Au:S/C:C/I:C/A:C
Access Vector Local
Access Complexity High
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux Extended Update Support 6.3 (kernel) RHSA-2013:1450 2013-10-22
Red Hat Enterprise Linux 6 (kernel) RHSA-2013:1051 2013-07-16
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:1264 2013-09-16
Red Hat Enterprise Linux OpenStack Platform 3.0 (kernel) RHSA-2013:1080 2013-07-16

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

Acknowledgements

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

CVE description copyright © 2017, The MITRE Corporation