#VU29386 NULL pointer dereference in LibVNCServer - CVE-2010-5304
Published: June 30, 2020
Vulnerability identifier: #VU29386
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2010-5304
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
LibVNCServer
LibVNCServer
Software vendor:
LibVNC
LibVNC
Description
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.
Remediation
Install update from vendor's website.
External links
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139814.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140219.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.html
- http://seclists.org/oss-sec/2014/q3/639
- http://www.openwall.com/lists/oss-security/2014/09/23/6