Security Bulletin: Heap-Based Buffer Overflow in Mozilla Network Security Services (NSS) may affect IBM Spectrum Protect Plus (CVE-2021-43527)

Summary

Mozilla Network Security Services is vulnerable to a heap-based buffer overflow which may affect IBM Spectrum Protect Plus.

Vulnerability Details

CVEID:CVE-2021-43527
**DESCRIPTION:**Mozilla Network Security Services (NSS), as used in Mozilla Firefox is vulnerable to a heap-based buffer overflow, caused by improper bounds checking when handling DER-encoded DSA or RSA-PSS signatures. By sending an overly long signature, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/214347 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

BM Spectrum Protect Plus****Affected Versions|**Fixing
**Level|Platform|**Link to Fix and Instructions
**
—|—|—|—
10.1.0.0-10.1.9.3| 10.1.10| Linux| <https://www.ibm.com/support/pages/node/6552532&gt;

Workarounds and Mitigations

None