SB2018061218 - Remote code execution in Windows DNSAPI
Published: June 12, 2018
Security Bulletin ID
SB2018061218
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) Buffer overflow (CVE-ID: CVE-2018-8225)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error within DNSAPI.dll when handling responses from DNS server. A remote attacker can host a malicious DNS server, trick the client to send a request to that DNS server, trigger memory corruption and execute arbitrary code on the vulnerable system in the context of the Local System Account.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.