Security Bulletin: A vulnerability in Samba affects IBM Spectrum Scale SMB protocol access method (CVE-2021-44142)

Summary

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

Vulnerability Details

CVEID:CVE-2021-44142
**DESCRIPTION:**Samba could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an out-of-bounds heap read write in the VFS module vfs_fruit. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code as root on the system.
CVSS Base score: 9.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/218420 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

For IBM Spectrum Scale V5.0.0.0 through V5.0.5.13, apply V5.0.5.14 available from FixCentral at:

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.5&platform=All&function=all

For IBM Spectrum Scale V5.1.0 through V5.1.3, apply V5.1.3.1 or V5.1.2.3 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=5.1.3&platform=All&function=all

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.1.2&platform=All&function=all

Workarounds and Mitigations

None