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CVE-2021-23192

Published: 9 November 2021

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.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
samba
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(2:4.7.6+dfsg~ubuntu-0ubuntu2.24)
focal
Released (2:4.13.14+dfsg-0ubuntu0.20.04.1)
hirsute
Released (2:4.13.14+dfsg-0ubuntu0.21.04.1)
impish
Released (2:4.13.14+dfsg-0ubuntu0.21.10.1)
jammy
Released (2:4.13.14+dfsg-0ubuntu1)
trusty Not vulnerable

upstream
Released (4.13.14)
xenial Not vulnerable