Main Vulnerability Database Vulnerabilities #VU22957

Memory leak in LibVNCServer - CVE-2019-15681

Published: November 25, 2019 / Updated: June 30, 2020

Vulnerability identifier: #VU22957

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2019-15681

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: LibVNC

Affected software:
LibVNCServer

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to sensitive information on the target system.

The vulnerability exists due memory leak in VNC server code. A remote attacker can read stack memory and disclose sensitive information.

Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR.

Install update from vendor's website.