NULL pointer dereference in LibVNCServer - CVE-2010-5304

 

NULL pointer dereference in LibVNCServer - CVE-2010-5304

Published: June 30, 2020


Vulnerability identifier: #VU29386
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2010-5304
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the way LibVNCServer handles certain ClientCutText messages. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCutText message from a VNC client.


Affected software

LibVNCServer

How to mitigate CVE-2010-5304

Install update from vendor's website.

LibVNCServer - update to 0.9.9

External References

Related Security Bulletins