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Vigil@nce: Messenger, sensitive information recovery via ActiveX

August 2008 by Vigil@nce


An attacker can create a malicious webpage in order to recover information in order to usurp victim’s identity.

Gravity: 3/4

Consequences: privileged access/rights, data reading

Provenance: document

Means of attack: no proof of concept, no attack

Ability of attacker: expert (4/4)

Confidence: confirmed by the editor (5/5)

Diffusion of the vulnerable configuration: high (3/3)

Creation date: 13/08/2008

Identifier: VIGILANCE-VUL-8024


- Microsoft Windows 2000 [confidential versions]
- Microsoft Windows 2003 [confidential versions]
- Microsoft Windows XP [confidential versions]


Microsoft Messenger can implement ActiveX controller.

A malicious webpage exploiting "Messenger.UIAutomation.1" ActiveX can interact with the Messenger client to:
- recover status of a user
- obtain information on a contact
- initiate audio and video sessions without user autorisation
- usurp victim’s identity

An attacker can therefore recover information which can be used to usurp victim’s identity.


Identifiers: 955702, CVE-2008-0082, MS08-050, VIGILANCE-VUL-8024

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