CVE-2024-36459 Cross-Site Scripting Vulnerability in Symantec SiteMinder Web Agent

High 8.4 Published Updated

An attacker can execute arbitrary JavaScript in client browsers via CRLF injection in specific SiteMinder Web Agent configurations.

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-2024-36459?

CVE-2024-36459 is a high-severity cross-site scripting vulnerability in Broadcom Symantec SiteMinder, published on 14 Jun 2024. 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

A CRLF cross-site scripting vulnerability has been identified in certain configurations of the SiteMinder Web Agent for IIS Web Server and SiteMinder Web Agent for Domino Web Server. As a result, an attacker can execute arbitrary Javascript code in a client browser.

Weakness: CWE-93

Which versions are affected by CVE-2024-36459?

How do I fix CVE-2024-36459?

No fix has been published for CVE-2024-36459 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-2024-36459 being exploited?

There is no known exploitation of CVE-2024-36459 in the wild and no public exploit code.

Sources

Also known as GHSA-3wrh-pmfv-38f4.

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