Security Bulletin: Vulnerabilities in Jackson affect Cloud Pak System [CVE-2023-3894, 256137]

Summary

Vulnerabilities in Jackson affect Cloud Pak System.

Vulnerability Details

CVEID:CVE-2023-3894
**DESCRIPTION:**FasterXML jackson-dataformats-text is vulnerable to a denial of service, caused by a stackoverflow parsing TOML data. By sending a specially crafted TOML data, a remote attacker could exploit this vulnerability to causes the parser to crash, and results in a denial of service condition.
CVSS Base score: 5.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/263144 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L)

**IBM X-Force ID:**256137
**DESCRIPTION:**FasterXML Jackson Core is vulnerable to a denial of service, caused by improper input validation by the StreamReadConstraints value field. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/256137 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

For unsupported versions the recommendation is to upgrade to supported version of the product.

This security bulletin applies to Cloud Pak System, Cloud Pak System Software, Cloud Pak System Software Suite.

For IBM Cloud Pak System v2.3.1.1, v2.3.2.0

upgrade to Cloud Pak System v2.3.3.7 , then apply Cloud Pak System v2.3.3.7 Interim Fix 1

Information on upgrading to Cloud Pak System v.2.3.3.7 at https://www.ibm.com/support/pages/node/6982511

For Cloud Pak System V2.3.3.7, apply Cloud Pak System V2.3.3.7 Interim Fix 1.

Information on upgrading to Cloud Pak System v.2.3.3.7 Interim Fix 1 at <https://www.ibm.com/support/pages/node/7045078&gt;

Workarounds and Mitigations

None