CVE-2014-0011 Memory corruption in TigerVNC
Remote VNC servers can trigger heap-based buffer overflows in TigerVNC, causing crashes or arbitrary code execution during screen rendering.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-0011?
CVE-2014-0011 is a critical memory corruption vulnerability in TigerVNC, published on 2 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple heap-based buffer overflows in the ZRLE_DECODE function in common/rfb/zrleDecode.h in TigerVNC before 1.3.1, when NDEBUG is enabled, allow remote VNC servers to cause a denial of service (vncviewer crash) and possibly execute arbitrary code via vectors related to screen image rendering.
Weakness: CWE-787
Which versions are affected by CVE-2014-0011?
It affects 1 product.
Products include Tigervnc Tigervnc.
How do I fix CVE-2014-0011?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2014-0011 being exploited?
There is no known exploitation of CVE-2014-0011 in the wild and no public exploit code.
Other vulnerabilities in TigerVNC
Sources
Also known as GHSA-v8hp-82fx-5fhc, MGASA-2014-0173.