CVE-2014-8240 Integer overflow in n/a

High 7.5 Published 16 Oct 2014 Updated 6 Aug 2024

Remote VNC servers can trigger an integer overflow in TigerVNC, leading to a crash or arbitrary code execution via heap-based buffer overflow.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2014-8240?

CVE-2014-8240 is a high-severity vulnerability in n/a, published on 16 Oct 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051.

Weakness: CWE-119

Which versions are affected by CVE-2014-8240?

It affects 1 product.

Products include Tigervnc Tigervnc.

How do I fix CVE-2014-8240?

Apply the vendor's patch.

Is CVE-2014-8240 being exploited?

There is no known exploitation of CVE-2014-8240 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2014-8240, GHSA-5qgx-8v4m-83gf.