Security Bulletin: A vulnerability in Samba affects IBM Spectrum Scale SMB protocol access method (CVE-2022-3437)

Summary

A Samba vulnerability affects IBM Spectrum Scale SMB protocol access method that could allow a remote authenticated attacker to execute arbitrary code or denial of the service on the system.

Vulnerability Details

CVEID:CVE-2022-3437
**DESCRIPTION:**Samba is vulnerable to a buffer overflow, caused by improper bounds checking by the Heimdal unwrap_des3() function. By sending a specially-crafted packet, a remote authenticated attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition on the system.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/243456 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L)

Affected Products and Versions

Remediation/Fixes

For IBM Spectrum Scale V5.1.0.0 through V5.1.6.0, apply V5.1.6.1 or V5.1.7.0 or later available from FixCentral at:

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.1.7&platform=All&function=all

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.1.6&platform=All&function=all

Workarounds and Mitigations

None