Out-of-bounds Read Affecting samba-ad-dc-libs package, versions <4.15.4+git.324.8332acf1a63-150300.3.25.3


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.61% (79th percentile)

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  • Snyk IDSNYK-SLES153-SAMBAADDCLIBS-2644652
  • published14 Apr 2022
  • disclosed8 Feb 2022

Introduced: 8 Feb 2022

CVE-2020-27840  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 samba-ad-dc-libs to version 4.15.4+git.324.8332acf1a63-150300.3.25.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-ad-dc-libs package and not the samba-ad-dc-libs package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1