Security Bulletin: IBM PowerVM Novalink is vulnerable because jose4j is vulnerable to a denial of service, caused by improper input validation.

Summary

IBM PowerVM Novalink is vulnerable because jose4j is vulnerable to a denial of service, caused by improper input validation. By sending a specially crafted p2c value, a remote attacker could exploit this vulnerability to cause a denial of service condition.

Vulnerability Details

CVEID:CVE-2023-51775
**DESCRIPTION:**jose4j is vulnerable to a denial of service, caused by improper input validation. By sending a specially crafted p2c value, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/275907 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Products and Versions:

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading based on the table below.

Update to pvm-novalink-2.0.3.1-240625

or

Update to pvm-novalink-2.1.1-240625

or

Update to pvm-novalink-2.2.1-240626

PowerVM Novalink| 2.0.1|

Update to pvm-novalink-2.0.3.1-240625

or

Update to pvm-novalink-2.1.1-240625

or

Update to pvm-novalink-2.2.1-240626

PowerVM Novalink| 2.0.2|

Update to pvm-novalink-2.0.3.1-240625

or

Update to pvm-novalink-2.1.1-240625

or

Update to pvm-novalink-2.2.1-240626

PowerVM Novalink| 2.0.2.1|

Update to pvm-novalink-2.0.3.1-240625

or

Update to pvm-novalink-2.1.1-240625

or

Update to pvm-novalink-2.2.1-240626

PowerVM Novalink| 2.0.3|

Update to pvm-novalink-2.0.3.1-240625

or

Update to pvm-novalink-2.1.1-240625

or

Update to pvm-novalink-2.2.1-240626

PowerVM Novalink| 2.0.3.1|

Update to pvm-novalink-2.0.3.1-240625

or

Update to pvm-novalink-2.1.1-240625

or

Update to pvm-novalink-2.2.1-240626

PowerVM Novalink| 2.1.0|

Update to pvm-novalink-2.1.1-240625

or

Update to pvm-novalink-2.2.1-240626

PowerVM Novalink| 2.1.1|

Update to pvm-novalink-2.1.1-240625

or

Update to pvm-novalink-2.2.1-240626

PowerVM Novalink| 2.2.0|

Update to pvm-novalink-2.2.1-240626

PowerVM Novalink| 2.2.1|

Update to pvm-novalink-2.2.1-240626

Workarounds and Mitigations

None