CVE-2023-43660 SSH key password bypassed in warpgate
Attackers can bypass SSH key authentication in Warpgate by sending unsigned key offers, requiring specific user configuration and knowledge of public keys.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-43660?
CVE-2023-43660 is a medium-severity authentication bypass vulnerability in warp-tech warpgate, published on 27 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Warpgate is a smart SSH, HTTPS and MySQL bastion host for Linux that doesn't need special client apps. The SSH key verification for a user can be bypassed by sending an SSH key offer without a signature. This allows bypassing authentication under following conditions: 1. The attacker knows the username and a valid target name 2. The attacked knows the user's public key and 3. Only SSH public key authentication is required for the user account. This issue has been addressed in version 0.8.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Which versions are affected by CVE-2023-43660?
It affects 1 product.
Products include Warpgate Project Warpgate.
How do I fix CVE-2023-43660?
No fix has been published for CVE-2023-43660 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-43660 being exploited?
There is no known exploitation of CVE-2023-43660 in the wild and no public exploit code.
Other vulnerabilities in warp-tech warpgate
Sources
Also known as GHSA-3cjp-w4cp-m9c8.