Use After Free Affecting samba-devel package, versions <0:4.11.6-107.el8rhgs


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.44% (76th percentile)

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  • Snyk IDSNYK-RHEL8-SAMBADEVEL-3390464
  • published26 Jul 2021
  • disclosed2 Jul 2020

Introduced: 2 Jul 2020

CVE-2020-10730  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 samba-devel to version 0:4.11.6-107.el8rhgs or higher.
This issue was patched in RHSA-2020:3119.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-devel package and not the samba-devel package as distributed by RHEL. See How to fix? for RHEL:8 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