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

Security Bulletin


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

Affected Product(s)Version(s)
IBM Spectrum Scale5.0.0 - 5.0.5.13
IBM Spectrum Scale5.1.0 - 5.1.3

Workarounds and Mitigations

None

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References

Off

Acknowledgement

Change History

28 Apr 2022: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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Document Information

Modified date:
12 May 2022

UID

ibm16585728