Out-of-bounds Write Affecting libipa_hbac0 package, versions <1.16.1-150300.23.17.3


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
12.6% (94th percentile)

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  • Snyk IDSNYK-SLES153-LIBIPAHBAC0-2645440
  • published14 Apr 2022
  • disclosed8 Feb 2022

Introduced: 8 Feb 2022

CVE-2021-20277  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 libipa_hbac0 to version 1.16.1-150300.23.17.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libipa_hbac0 package and not the libipa_hbac0 package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.

CVSS Base Scores

version 3.1