Use After Free Affecting samba-winbind-32bit package, versions <4.9.5+git.343.4bc358522a9-3.38.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.45% (76th percentile)

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  • Snyk ID SNYK-SLES151-SAMBAWINBIND32BIT-2709142
  • published 14 Apr 2022
  • disclosed 14 Jul 2020

How to fix?

Upgrade SLES:15.1 samba-winbind-32bit to version 4.9.5+git.343.4bc358522a9-3.38.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-winbind-32bit package and not the samba-winbind-32bit package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support Samba in AD mode, the affected code is shipped with the libldb package. This flaw allows an authenticated user to possibly trigger a use-after-free or NULL pointer dereference. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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SUSE

6.5 medium
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Red Hat

6.5 medium