Out-of-bounds Read Affecting systemd package, versions <229-4ubuntu21.15


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-UBUNTU1604-SYSTEMD-305060
  • published11 Jan 2019
  • 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 Ubuntu:16.04 systemd to version 229-4ubuntu21.15 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 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