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Security Bulletin: Sudo as used by IBM QRadar SIEM is vulnerable to arbitrary code execution

Security Bulletin


Summary

Sudo as used by IBM QRadar SIEM is vulnerable to arbitrary code execution

Vulnerability Details

CVEID:   CVE-2021-3156
DESCRIPTION:   Sudo is vulnerable to a heap-based buffer overflow, caused by improper bounds checking when parsing command line arguments. By sending an "sudoedit -s" and a command-line argument that ends with a single backslash character, a local attacker could overflow a buffer and execute arbitrary code on the system with root privileges. This vulnerability is also known as Baron Samedit.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195658 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM QRadar 7.3.0 to 7.3.3 Patch 7

IBM QRadar 7.4.0 to 7.4.2 Patch 2


Workarounds and Mitigations

None

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References

Off

Acknowledgement

Change History

12 Apr 2021: 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 April 2021

UID

ibm16442607