CVE-2016-5720 Path traversal in n/a

High 7.8 Published 23 Jan 2017 Updated 6 Aug 2024

Local attackers can execute arbitrary code via DLL hijacking by placing malicious libraries in the current working directory of Skype.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2016-5720?

CVE-2016-5720 is a high-severity path traversal vulnerability in n/a, published on 23 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple untrusted search path vulnerabilities in Microsoft Skype allow local users to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse (1) msi.dll, (2) dpapi.dll, or (3) cryptui.dll that is located in the current working directory.

Weakness: CWE-264

Which versions are affected by CVE-2016-5720?

It affects 1 product.

Products include Microsoft Skype.

How do I fix CVE-2016-5720?

No fix has been published for CVE-2016-5720 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2016-5720 being exploited?

There is no known exploitation of CVE-2016-5720 in the wild and no public exploit code.

Sources

Also known as GHSA-crjr-3gpp-8g9q.