Use of Externally-Controlled Format String Affecting kernel-tools package, versions <0:3.4.57-48.42.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (28th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELTOOLS-1669790
  • published27 Sept 2021
  • disclosed7 Jun 2013

Introduced: 7 Jun 2013

CVE-2013-2852  (opens in a new tab)
CWE-134  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-tools to version 0:3.4.57-48.42.amzn1 or higher.
This issue was patched in ALAS-2013-218.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

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.

CVSS Scores

version 3.1