Security Bulletin: IBM Sterling B2B Integrator vulnerable due to Eclipse Jetty

Summary

IBM Sterilng B2B Integrator has addressed multiple security vulnerabilities in Eclipse Jetty.

Vulnerability Details

CVEID:CVE-2021-34428
**DESCRIPTION:**Eclipse Jetty could allow a physical attacker to bypass security restrictions, caused by a session ID is not invalidated flaw when an exception is thrown from the SessionListener#sessionDestroyed() method. By gaining access to the application on the shared computer, an attacker could exploit this vulnerability to bypass access restrictions.
CVSS Base score: 3.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/204227 for the current score.
CVSS Vector: (CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)

CVEID:CVE-2021-28169
**DESCRIPTION:**Eclipse Jetty could allow a remote attacker to obtain sensitive information, caused by a flaw in the ConcatServlet. By sending a specially-crafted request using a doubly encoded path, an attacker could exploit this vulnerability to obtain sensitive information from protected resources within the WEB-INF directory, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203492 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:CVE-2021-34429
**DESCRIPTION:**Eclipse Jetty could allow a remote attacker to obtain sensitive information, caused by improper access control. By sending a specially-crafted URI, an attacker could exploit this vulnerability to obtain the content of the WEB-INF directory, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/205596 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

6.1.0.0 - 6.1.0.5

6.1.1.0 - 6.1.1.1

|

IT38890

| Apply 6.1.0.6, 6.1.1.2 or 6.1.2.0

The version 6.0.3.7 , 6.1.0.6 and 6.1.1.2 are available on Fix Central. The IIM version of 6.1.2.0 is available in IBM Passport Advantage. The container version of 6.1.2.0 is available in IBM Entitled Registry with following tags.

cp.icr.io/cp/ibm-b2bi/b2bi:6.1.2.0 for IBM Sterling B2B Integrator
cp.icr.io/cp/ibm-sfg/sfg:6.1.2.0 for IBM Sterling File Gateway

Workarounds and Mitigations

None