CVE-2019-6591 Cross-site scripting in BIG-IP (APM)

Medium 5.4 Published Updated

Authenticated users can trigger reflected XSS in BIG-IP APM when a full webtop is configured, potentially bypassing security controls.

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-2019-6591?

CVE-2019-6591 is a medium-severity cross-site scripting vulnerability in F5 Big-Ip Access Policy Manager, published on 5 Feb 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

On BIG-IP APM 14.0.0 to 14.0.0.4, 13.0.0 to 13.1.1.3 and 12.1.0 to 12.1.3.7, a reflected cross-site scripting (XSS) vulnerability exists in the resource information page for authenticated users when a full webtop is configured on the BIG-IP APM system.

Weakness: CWE-79

Which versions are affected by CVE-2019-6591?

It affects 1 product.

Products include F5 Big-Ip Access Policy Manager.

How do I fix CVE-2019-6591?

No fix has been published for CVE-2019-6591 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-2019-6591 being exploited?

There is no known exploitation of CVE-2019-6591 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-72j3-f222-xpgq.

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