SB2020081714 - Information disclosure in libvirt (Alpine package)
Published: August 17, 2020
Security Bulletin ID
SB2020081714
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2020-14339)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to libvirt leaks a file descriptor for /dev/mapper/control. A remote user on guest operating system can obtain leaked descriptor address and escalate privileges on the system.
Remediation
Install update from vendor's website.