Security Bulletin: IBM Sterling B2B Integrator affected by multiples issues due to Spring Framework

Summary

IBM Sterling B2B Integrator uses Spring Framework, which is affected by multiple vulnerabilies. This bulletin identifies the steps to take to address the vulnerabilities.

Vulnerability Details

CVEID:CVE-2023-20863
**DESCRIPTION:**VMware Tanzu Spring Framework is vulnerable to a denial of service, caused by improper input validation. By sending a specially crafted SpEL expression, 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/252807 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-2023-20860
**DESCRIPTION:**VMware Tanzu Spring Framework could allow a remote attacker to bypass security restrictions, caused by the use of an un-prefixed double wildcard pattern with the mvcRequestMatcher in Spring Security configuration. An attacker could exploit this vulnerability to create a mismatch in pattern matching between Spring Security and Spring MVC.
CVSS Base score: 9.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/250679 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID:CVE-2023-20861
**DESCRIPTION:**VMware Tanzu Spring Framework is vulnerable to a denial of service. By sending a specially crafted SpEL expression, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/250701 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

IBM strongly recommends addressing the vulnerability now.

The IIM versions of 6.0.3.9, 6.1.0.8, 6.1.1.4, and 6.1.2.3 are available on Fix Central. The IIM version of 6.2.0.0 is available on Passport Advantage

The container version of 6.1.1.4, 6.1.2.3 and 6.2.0.0 are available in IBM Entitled Registry.

Workarounds and Mitigations

None