Use of Externally-Controlled Format String Affecting udisks2-lsm package, versions <0:2.7.3-9.el7


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.62% (49th percentile)

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  • Snyk IDSNYK-CENTOS7-UDISKS2LSM-2144966
  • published26 Jul 2021
  • disclosed22 Sept 2018

Introduced: 22 Sep 2018

CVE-2018-17336  (opens in a new tab)
CWE-134  (opens in a new tab)

How to fix?

Upgrade Centos:7 udisks2-lsm to version 0:2.7.3-9.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream udisks2-lsm package and not the udisks2-lsm package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

UDisks 2.8.0 has a format string vulnerability in udisks_log in udiskslogging.c, allowing attackers to obtain sensitive information (stack contents), cause a denial of service (memory corruption), or possibly have unspecified other impact via a malformed filesystem label, as demonstrated by %d or %n substrings.