CVE-2017-11742 Privilege escalation in n/a

High 7.8 Published 30 Jul 2017 Updated 5 Aug 2024

Local attackers can gain privileges via DLL hijacking in the Expat XML parser on Windows due to an untrusted search path.

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-2017-11742?

CVE-2017-11742 is a high-severity vulnerability in Libexpat Project Libexpat, published on 30 Jul 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The writeRandomBytes_RtlGenRandom function in xmlparse.c in libexpat in Expat 2.2.1 and 2.2.2 on Windows allows local users to gain privileges via a Trojan horse ADVAPI32.DLL in the current working directory because of an untrusted search path, aka DLL hijacking.

Weakness: CWE-426

Which versions are affected by CVE-2017-11742?

It affects 1 product.

Products include Libexpat Project Libexpat.

How do I fix CVE-2017-11742?

No fix has been published for CVE-2017-11742 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-11742 being exploited?

There is no known exploitation of CVE-2017-11742 in the wild and no public exploit code.

All Libexpat Project Libexpat vulnerabilities

Sources

Also known as GHSA-cgjh-mqgp-mv76.