SB2020090837 - Information disclosure in Windows DHCP Server
Published: September 8, 2020
Security Bulletin ID
SB2020090837
Severity
Medium
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) Out-of-bounds read (CVE-ID: CVE-2020-1031)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing DHCP packets in Windows Server DHCP service. A remote attacker can send specially crafted packet to the DHCP server, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.