Buffer overflow in TightVNC - CVE-2019-8287
Published: October 31, 2019 / Updated: February 9, 2022
Vulnerability identifier: #VU22436
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-8287
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GlavSoft LLC
Affected software:
TightVNC
TightVNC
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in "corre.c" in the "HandleCoRREBBP" macro function. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-8287
Install update from vendor's website.