Improper Verification of Cryptographic Signature Affecting samba-winexe package, versions <0:4.17.5-103.el9_2.alma


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-ALMALINUX9-SAMBAWINEXE-5818958
  • published3 Aug 2023
  • disclosed31 Jul 2023

Introduced: 31 Jul 2023

CVE-2023-3347  (opens in a new tab)
CWE-347  (opens in a new tab)
CWE-924  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 samba-winexe to version 0:4.17.5-103.el9_2.alma or higher.
This issue was patched in ALSA-2023:4325.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-winexe package and not the samba-winexe package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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.

CVSS Scores

version 3.1