Security Bulletin
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
| Affected Product(s) | Version(s) |
| IBM Spectrum Protect Plus | 10.1.0.0-10.1.9.3 |
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 |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
17 May 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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
Was this topic helpful?
Document Information
Modified date:
17 May 2022
UID
ibm16587384