Security Bulletin: IBM Spectrum Conductor with ISC BIND is vulnerable to a denial of service

Summary

IBM Spectrum Conductor with ISC BIND is vulnerable to a denial of service

Vulnerability Details

CVEID:CVE-2023-2911
**DESCRIPTION:**ISC BIND is vulnerable to a denial of service, caused by an error when exceeding the recursive-clients quota. By sending specific queries to the resolver, a remote attacker could exploit this vulnerability to cause named to terminate.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258609 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

Remediation/Fixes

IBM strongly suggests the following remediation or fix:

Upgrade to the latest versions of IBM Spectrum Conductor 2.5.1 FP2 (IBM Spectrum Conductor 2.5.1 with Fix 601712).

Workarounds and Mitigations

None