SB2018092001 - Information disclosure in OpenBSD
Published: September 20, 2018
Security Bulletin ID
SB2018092001
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: N/A)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to improper access control to LDTR registry on AMD systems in sys/arch/amd64/amd64/vmm_support.S. A remote attacker with access to virtual machine can access data in LDTR registry that belong to another virtual machine.
Remediation
Install update from vendor's website.