Security Bulletin: IBM Sterling B2B Integrator Document Service container vulnerable to multiple issues due to Apache Tomcat

Summary

IBM Sterling B2B Integrator’s Document Service container users Apache Tomcat. This bulletin identifies the steps to take to address the vulnerabilities.

Vulnerability Details

CVEID:CVE-2023-46589
**DESCRIPTION:**Apache Tomcat is vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP trailer headers. By sending a specially crafted HTTP(S) trailer header, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/272444 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2023-42794
**DESCRIPTION:**Apache Tomcat is vulnerable to a denial of service, caused by accumulation of temporary files on Windows when a web application opened a stream for an uploaded file but failed to close the stream. A remote attacker could exploit this vulnerability to cause a denial of service due to the disk being full.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268202 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-2023-45648
**DESCRIPTION:**Apache Tomcat is vulnerable to HTTP request smuggling, caused by improper parsing of HTTP trailer headers. By sending a specially crafted invalid trailer header, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268200 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2023-42795
**DESCRIPTION:**Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by an incomplete Cleanup vulnerability when recycling various internal objects. By skipping some parts of the recycling process, an attacker could exploit this vulnerability to obtain sensitive information leaking from the current request/response to the next.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268201 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

IBM strongly recommends addressing the vulnerability now.

The container version of 6.2.0.1 is available in IBM Entitled Registry.

Workarounds and Mitigations

None