CVE-2020-35152 Privilege escalation through unquoted service binary path on Cloudflare WARP for Windows

Medium 4.5 Published Updated

A local attacker can escalate privileges to administrator by exploiting an unquoted service path in the Cloudflare WARP Windows client.

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-2020-35152?

CVE-2020-35152 is a medium-severity vulnerability in Cloudflare WARP for Windows, published on 2 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Cloudflare WARP for Windows allows privilege escalation due to an unquoted service path. A malicious user or process running with non-administrative privileges can become an administrator by abusing the unquoted service path issue. Since version 1.2.2695.1, the vulnerability was fixed by adding quotes around the service's binary path. This issue affects Cloudflare WARP for Windows, versions prior to 1.2.2695.1.

Weakness: CWE-428

Which versions are affected by CVE-2020-35152?

It affects 1 product.

Products include Cloudflare Warp.

How do I fix CVE-2020-35152?

No fix has been published for CVE-2020-35152 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-35152 being exploited?

There is no known exploitation of CVE-2020-35152 in the wild and no public exploit code.

Sources

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