CVE-2019-0624 Cross-site scripting in Skype

Medium 5.4 Published Updated

An attacker can spoof content in Skype for Business 2015 by exploiting a lack of request sanitization, potentially misleading users.

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-2019-0624?

CVE-2019-0624 is a medium-severity cross-site scripting vulnerability in Microsoft Skype, published on 17 Jan 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

A spoofing vulnerability exists when a Skype for Business 2015 server does not properly sanitize a specially crafted request, aka "Skype for Business 2015 Spoofing Vulnerability." This affects Skype.

Weakness: CWE-79

Which versions are affected by CVE-2019-0624?

It affects 1 product.

Products include Microsoft Skype for Business.

How do I fix CVE-2019-0624?

No fix has been published for CVE-2019-0624 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-2019-0624 being exploited?

There is no known exploitation of CVE-2019-0624 in the wild and no public exploit code.

Sources

Also known as GHSA-mmfh-pjvh-368q.

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