Out-of-bounds Read Affecting systemd package, versions <0:219-57.amzn2.0.7


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-AMZN2-SYSTEMD-1668418
  • published27 Sept 2021
  • disclosed11 Jan 2019

Introduced: 11 Jan 2019

CVE-2018-16866  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 systemd to version 0:219-57.amzn2.0.7 or higher.
This issue was patched in ALAS2-2019-1141.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.

CVSS Scores

version 3.1