Security Bulletin: IBM App Connect Enterprise Certified Container images may be vulnerable to Denial of Service attacks due to CVE-2021-23362 and CVE-2021-27290

Summary

IBM App Connect Enterprise Certified Container images may be vulnerable to Denial of Service attacks due to regular expression DoS vulnerabilities in the Node module npm. The npm module is not used at runtime by IBM App Connect Enterprise itself, but anyone using the certified containers as a base for their images may then have a version of npm that contains CVE-2021-23362 and CVE-2021-27290

Vulnerability Details

CVEID:CVE-2021-23362
**DESCRIPTION:**Node.js hosted-git-info module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the fromUrl function in index.js. By sending a specially-crafted regex input, 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/198792 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-2021-27290
**DESCRIPTION:**Node.js ssri module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw by the SRIs. By sending a specially-crafted regex string, 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/198144 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

App Connect Enterprise Certified Container 1.0, 1.1, 1.2, 1.3, 1.4 and 1.5

Upgrade to App Connect Enterprise Certified Container Operator version 2.0.0 (available in CASE 2.0.0) or higher, and ensure that all components are at 12.0.1.0-r4 or higher.

App Connect Enterprise Certified Container 1.1 LTS

Upgrade to App Connect Enterprise Certified Container Operator version 1.1.4 EUS (available in CASE 1.1.4) or higher, and ensure that all components are at 11.0.0.13-r3-eus or higher.

Workarounds and Mitigations

None