Incorrect Calculation of Buffer Size Affecting systemd-devel package, versions <0:219-62.el7_6.2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.31% (71st percentile)

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  • Snyk ID SNYK-RHEL7-SYSTEMDDEVEL-4837413
  • published 26 Jul 2021
  • disclosed 26 Oct 2018

How to fix?

Upgrade RHEL:7 systemd-devel to version 0:219-62.el7_6.2 or higher.
This issue was patched in RHSA-2019:0049.

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.

A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory in systemd-networkd. Affected releases are systemd: versions up to and including 239.

CVSS Scores

version 3.1
Expand this section

NVD

8.8 high
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High