A vulnerability was found in Microsoft Windows NT 4.0/2000 (Operating System). It has been rated as critical. This issue affects an unknown part of the component NTMail. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, and availability. The summary by CVE is:

NTMail does not disable the VRFY command, even if the administrator has explicitly disabled it.

The weakness was released 12/01/1999 as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. The identification of this vulnerability is CVE-1999-0819. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 10167 (NTMail3 Arbitrary Mail Relay), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SMTP problems and running in the context r.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (3719) and Tenable (10167). Entry connected to this vulnerability is available at 15008.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 2000
• NT 4.0

License

• commercial

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CPE 2.2info

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