SB2017112141 - Improper Certificate Validation in libvirt (Alpine package)
Published: November 21, 2017
Security Bulletin ID
SB2017112141
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2017-1000256)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
libvirt version 2.3.0 and later is vulnerable to a bad default configuration of "verify-peer=no" passed to QEMU by libvirt resulting in a failure to validate SSL/TLS certificates by default.
Remediation
Install update from vendor's website.