SB2019031205 - Remote code execution in Windows DHCP Client

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2019-0697)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of attacker-supplied input when processing responses from a malicious DHCP server. A remote attacker can trick the victim to connect to a malicious DHCP server and execute arbitrary code on the target system.

2) Input validation error (CVE-ID: CVE-2019-0698)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of attacker-supplied input when processing responses from a malicious DHCP server. A remote attacker can trick the victim to connect to a malicious DHCP server and execute arbitrary code on the target system.

3) Input validation error (CVE-ID: CVE-2019-0726)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of attacker-supplied input when processing responses from a malicious DHCP server. A remote attacker can trick the victim to connect to a malicious DHCP server and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/securit...
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0698
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0726