Security Bulletin: A vulnerability in Samba affects IBM Spectrum Scale SMB protocol access method (CVE-2020-25717)

Summary

A Samba vulnerability affects IBM Spectrum Scale SMB protocol access method that could allow remote authenticated attacker to gain elevated privileges .

Vulnerability Details

CVEID:CVE-2020-25717
**DESCRIPTION:**Samba could allow a remote authenticated attacker to gain elevated privileges on the system, caused by a flaw in mapping domain users to local users. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges as root on domain members.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215741 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)

Affected Products and Versions

Remediation/Fixes

For IBM Spectrum Scale V5.0.0.0 through 5.0.5.11, apply V5.0.5.12 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=5.0.5&platform=Linux+PPC64LE&function=all

For IBM Spectrum Scale V5.1.0 through V5.1.2.2, apply V5.1.2.3 or V5.1.3 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=Linux+PPC64LE&function=all

Workarounds and Mitigations

None