#VU29383 NULL pointer dereference in LibVNCServer - CVE-2020-14396
Published: June 30, 2020
Vulnerability identifier: #VU29383
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-14396
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 libvncclient/tls_openssl.c. A remote attacker can trick the victim to connect to a malicious server and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.