CVE-2019-9538 Telos Automated Message Handling System reflected XSS in LDAP cbURL parameter

Medium 6.1 Published 3 Jan 2020 Updated 4 Aug 2024

Remote attackers can inject arbitrary scripts via the LDAP cbURL parameter, potentially compromising user sessions in Telos AMHS.

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

What is CVE-2019-9538?

CVE-2019-9538 is a medium-severity cross-site scripting vulnerability in Telos Automated Message Handling System, published on 3 Jan 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the LDAP cbURL parameter of Telos Automated Message Handling System allows a remote attacker to inject arbitrary script into an AMHS session. This issue affects: Telos Automated Message Handling System versions prior to 4.1.5.5.

Weakness: CWE-79

Which versions are affected by CVE-2019-9538?

It affects 1 product.

Products include Telos Automated Message Handling System.

How do I fix CVE-2019-9538?

No fix has been published for CVE-2019-9538 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-2019-9538 being exploited?

There is no known exploitation of CVE-2019-9538 in the wild and no public exploit code.

Sources

Also known as GHSA-gjjv-943h-wj4x.