Security Bulletin: IBM Sterling B2B Integrator B2B API vulnerable to multiple issues due to Apache CXF

Summary

IBM Sterling B2B Integrator uses Apache CXF. This bulletin identifies the steps to take to address the vulnerabilities.

Vulnerability Details

CVEID:CVE-2022-46363
**DESCRIPTION:**Apache CXF could allow a remote attacker to obtain sensitive information, caused by a flaw when the CXFServlet is configured with both the static-resources-list and redirect-query-check attributes. By sending a specially-crafted request, an attacker could exploit this vulnerability to perform directory listing or code exfiltration, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/242009 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2021-30468
**DESCRIPTION:**Apache CXF is vulnerable to a denial of service, caused by an infinite loop flaw in the JsonMapObjectReaderWriter function. By sending a specially-crafted JSON to a web service, a remote attacker could exploit this vulnerability to consume available CPU resources.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203830 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-2021-22696
**DESCRIPTION:**Apache CXF is vulnerable to a denial of service, caused by improper validation of request_uri parameter by the OAuth 2 authorization service. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition on the authorization server.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199335 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-2022-46364
**DESCRIPTION:**Apache CXF is vulnerable to server-side request forgery, caused by a flaw in parsing the href attribute of XOP:Include in MTOM requests. By using a specially-crafted request, an attacker could exploit this vulnerability to conduct SSRF attack.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/242008 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now.

The IIM versions of 6.1.2.5 and 6.2.0.1 are available on Fix Central.

The container version of 6.1.2.5 and 6.2.0.1 are available in IBM Entitled Registry.

Workarounds and Mitigations

None