Security Bulletin: Stack-based Buffer Overflow in IBM Spectrum Protect Server (CVE-2021-20491)

Summary

IBM Spectrum Protect Server is vulnerable to a stack-based buffer overflow.

Vulnerability Details

CVEID:CVE-2021-20491
**DESCRIPTION:**IBM Spectrum Protect Server is subject to a stack-based buffer overflow caused by improper bounds checking during the parsing of commands. By issuing such a command with an improper parameter, an authorized administrator could overflow a buffer and cause the server to crash.
CVSS Base score: 4.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197792 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM Spectrum Protect Server Release|First Fixing VRM Level|

APAR

| Platform|Link to Fix
—|—|—|—|—
8.1| 8.1.10.200| IT34975
| AIX
Linux
Windows| <https://www.ibm.com/support/pages/node/6323469&gt;
8.1
| 8.1.11.100
| IT34975
| AIX
Linux
Windows
|

<https://www.ibm.com/support/pages/node/6442973&gt;

7.1| 7.1.13| IT34975
| AIX
HP-UX
Linux
Solaris
Windows|

<https://www.ibm.com/support/pages/node/6411459&gt;

Workarounds and Mitigations

None