CVE-2022-34362 IBM Sterling Secure Proxy HOST header injection

Medium 4.6 Published 8 Feb 2023 Updated 24 Mar 2025

Attackers can inject malicious HOST headers to execute cross-site scripting, poison caches, or hijack sessions in IBM Sterling Secure Proxy.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-34362?

CVE-2022-34362 is a medium-severity cross-site scripting vulnerability in IBM Sterling Secure Proxy, published on 8 Feb 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

IBM Sterling Secure Proxy 6.0.3 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: 230523.

Weakness: CWE-79

Which versions are affected by CVE-2022-34362?

It affects 1 product.

Products include Ibm Sterling Secure Proxy.

How do I fix CVE-2022-34362?

No fix has been published for CVE-2022-34362 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-2022-34362 being exploited?

There is no known exploitation of CVE-2022-34362 in the wild and no public exploit code.

Sources

Also known as GHSA-h63x-q57p-mpgf.