Security Bulletin: IBM Robotic Process Automation for Cloud Pak may be vulnerable to a denial of service due to ISC BIND (CVE-2022-38177, CVE-2022-38178).

Summary

ISC BIND is used by IBM Robotic Process Automation for Cloud Pak as part of it’s Antivirus and Watson NLP container images. This bulletin identifies the security fixes to apply to address this vulnerability.

Vulnerability Details

CVEID:CVE-2022-38177
**DESCRIPTION:**ISC BIND is vulnerable to a denial of service, caused by a small memory leak in the DNSSEC verification code for the ECDSA algorithm. By spoofing the target resolver with responses that have a malformed ECDSA signature, a remote attacker could exploit this vulnerability to cause named to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/236705 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)

CVEID:CVE-2022-38178
**DESCRIPTION:**ISC BIND is vulnerable to a denial of service, caused by a memory leak in the DNSSEC verification code for the EdDSA algorithm. By spoofing the target resolver with responses that have a malformed EdDSA signature, a remote attacker could exploit this vulnerability to cause named to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/236706 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 recommends addressing the vulnerability now.

Workarounds and Mitigations

None.