Brute-force attack in Microsoft Windows and Windows Server - CVE-2017-0159

Vulnerability details

The vulnerability allows a remote attacker to perform a brute-force attack.

The vulnerability exists when ADFS incorrectly treats requests coming from Extranet clients as Intranet requests. A remote attacker can brute-force account passwords.

Successful exploitation of the vulnerability may allow an attacker to gain unauthorized access to vulnerable system.

Affected software

How to mitigate CVE-2017-0159

External References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0159

Related Security Bulletins

• Two vulnerabilities in Microsoft Active Directory
• ADFS Security Feature Bypass Vulnerability