SB2017051005 - Privilege escalation in Microsoft Hyper-V
Published: May 10, 2017
Security Bulletin ID
SB2017051005
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Privilege escalation (CVE-ID: CVE-2017-0212)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The weakness exists due to improper validation of vSMB packet data by Windows Hyper-V on a host server. A remote attacker can send a specially crafted vSMB packet data to escalate privileges on the system.
Remediation
Install update from vendor's website.