A vulnerability has been found in Microsoft Windows Server 2003 SP2/XP SP3 (Operating System) and classified as critical. This vulnerability affects an unknown function of the component SmartCard Authentication. The manipulation as part of a RDP Packet leads to a privileges management vulnerability (EsteemAudit). The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 04/15/2017 with Shadow Brokers (Website). The advisory is shared for download at techcrunch.com. The public release happened without coordination with the vendor. The attack can be initiated remotely. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/23/2020). The MITRE ATT&CK project declares the attack technique as T1068. This vulnerability has a historic impact due to its background and reception.

A public exploit has been developed in Windows Binary and been published immediately after the advisory. It is possible to download the exploit at github.com. It is declared as functional. As 0-day the estimated underground price was around $25k-$100k.

Upgrading to version Vista or Server 2008 eliminates this vulnerability.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• Server 2003 SP2
• XP SP3

License

• commercial

Support

• end of life (old version)

CPE 2.3info

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CPE 2.2info

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