CVE-2019-15680 Null dereference in TightVNC
A remote attacker can cause a denial of service in TightVNC by triggering a null pointer dereference in the HandleZlibBPP function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-15680?
CVE-2019-15680 is a high-severity vulnerability in Kaspersky TightVNC, published on 29 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.
Weakness: CWE-476
Which versions are affected by CVE-2019-15680?
It affects 1 product.
Products include Tightvnc Tightvnc.
How do I fix CVE-2019-15680?
Upgrade to a fixed version.
Is CVE-2019-15680 being exploited?
There is no known exploitation of CVE-2019-15680 in the wild and no public exploit code.
Other vulnerabilities in Kaspersky TightVNC
Sources
Also known as DEBIAN-CVE-2019-15680, GHSA-7734-vjrv-hjxq, UBUNTU-CVE-2019-15680.