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.
https://ubuntu.com/security/CVE-2021-23192
https://security.gentoo.org/glsa/202309-06
https://bugzilla.redhat.com/show_bug.cgi?id=2019666
https://www.samba.org/samba/security/CVE-2021-23192.html
Source: Mitre, NVD
Published: 2022-03-02
Updated: 2023-09-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
EPSS: 0.00054