Privilege Dropping / Lowering Errors Affecting trousers-lib package, versions <0:0.3.15-1.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-RHEL8-TROUSERSLIB-3997717
  • published26 Jul 2021
  • disclosed2 Sept 2020

Introduced: 2 Sep 2020

CVE-2020-24330  (opens in a new tab)
CWE-271  (opens in a new tab)

How to fix?

Upgrade RHEL:8 trousers-lib to version 0:0.3.15-1.el8 or higher.
This issue was patched in RHSA-2021:1627.

NVD Description

Note: Versions mentioned in the description apply only to the upstream trousers-lib package and not the trousers-lib package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges instead of by the tss user, it fails to drop the root gid privilege when no longer needed.

CVSS Scores

version 3.1