CVE-2023-3347

medium

Description

A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured "server signing = required" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data.

References

https://www.samba.org/samba/security/CVE-2023-3347.html

https://bugzilla.redhat.com/show_bug.cgi?id=2222792

https://access.redhat.com/security/cve/CVE-2023-3347

https://access.redhat.com/errata/RHSA-2023:4328

https://access.redhat.com/errata/RHSA-2023:4325

Details

Source: Mitre, NVD

Published: 2023-07-20

Updated: 2024-09-16

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: Medium