SB2019102921 - Information disclosure in LibVNC
Published: October 29, 2019 Updated: June 30, 2020
Security Bulletin ID
SB2019102921
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2019-15681)
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.
Remediation
Install update from vendor's website.