CVE-2022-34163 Cross-site scripting in CICS TX Advanced

Medium 5.4 Published 1 Aug 2022 Updated 16 Sep 2024

Attackers can inject HTTP headers to perform cross-site scripting, cache poisoning, or session hijacking on IBM CICS TX systems.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-34163?

CVE-2022-34163 is a medium-severity cross-site scripting vulnerability in IBM CICS TX Advanced, published on 1 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM CICS TX 11.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 229333.

Weakness: CWE-79

Which versions are affected by CVE-2022-34163?

It affects 1 product.

Products include Ibm Cics Tx.

How do I fix CVE-2022-34163?

No fix has been published for CVE-2022-34163 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-34163 being exploited?

There is no known exploitation of CVE-2022-34163 in the wild and no public exploit code.

Sources

Also known as GHSA-23x2-rwgc-35fv.