Out-of-bounds Read Affecting systemd-devel package, versions <0:219-57.el7_5.9


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-RHEL7-SYSTEMDDEVEL-4880098
  • published 26 Jul 2021
  • disclosed 9 Jan 2019

How to fix?

Upgrade RHEL:7 systemd-devel to version 0:219-57.el7_5.9 or higher.
This issue was patched in RHSA-2020:1264.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd-devel package and not the systemd-devel package as distributed by RHEL. See How to fix? for RHEL:7 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
Expand this section

NVD

3.3 low
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None