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Insufficient Entropy Affecting libxkbcommon-x11-devel package, versions <0:0.7.1-1.el7

Severity

 Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.53% (45th percentile)

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  • Snyk IDSNYK-ORACLE7-LIBXKBCOMMONX11DEVEL-2515946
  • published10 Apr 2022
  • disclosed27 Jul 2018
Report a new vulnerability Found a mistake?

Introduced: 27 Jul 2018

CVE-2017-2625  (opens in a new tab)
CWE-331  (opens in a new tab)

How to fix?

Upgrade Oracle:7 libxkbcommon-x11-devel to version 0:0.7.1-1.el7 or higher.
This issue was patched in ELSA-2017-1865.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxkbcommon-x11-devel package and not the libxkbcommon-x11-devel package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions.