CVE-2019-17662 Path traversal in n/a
Attackers can read the cleartext password file via directory traversal to compromise the VNC server, even when authentication is enabled.
- 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-2019-17662?
CVE-2019-17662 is a critical path traversal vulnerability in n/a, published on 16 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ThinVNC 1.0b1 is vulnerable to arbitrary file read, which leads to a compromise of the VNC server. The vulnerability exists even when authentication is turned on during the deployment of the VNC server. The password for authentication is stored in cleartext in a file that can be read via a ../../ThinVnc.ini directory traversal attack vector.
Which versions are affected by CVE-2019-17662?
It affects 1 product.
Products include Cybelsoft Thinvnc.
How do I fix CVE-2019-17662?
No fix has been published for CVE-2019-17662 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-2019-17662 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-17662 exists.
Public exploit code: 1 Metasploit module, 1 Exploit-DB entry, 1 Nuclei template and 7 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-23gm-hjpg-qfp3.