CVE-2021-23192 Affecting libwbclient-devel package, versions <0:4.14.5-7.el8_5


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
1.95% (78th percentile)

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  • Snyk IDSNYK-ALMALINUX8-LIBWBCLIENTDEVEL-5659984
  • published28 May 2023
  • disclosed13 Dec 2021

Introduced: 13 Dec 2021

CVE-2021-23192  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 libwbclient-devel to version 0:4.14.5-7.el8_5 or higher.
This issue was patched in ALSA-2021:5082.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libwbclient-devel package and not the libwbclient-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

CVSS Base Scores

version 3.1