Out-of-bounds Write Affecting ldb-tools package, versions <2.0.12-3.6.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
4.33% (90th percentile)

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  • Snyk IDSNYK-SLES152-LDBTOOLS-2683682
  • published14 Apr 2022
  • disclosed24 Mar 2021

Introduced: 24 Mar 2021

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

How to fix?

Upgrade SLES:15.2 ldb-tools to version 2.0.12-3.6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ldb-tools package and not the ldb-tools package as distributed by SLES. See How to fix? for SLES:15.2 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