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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

MS04-011

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:MS04-011
Technical name:MS04-011
Threat level:Low
Alias:Vulnerabilidad en el servicio LSASS, LSASS Vulnerability
Type:Vulnerability
Effects:  

It is a critical vulnerability in the LSASS service on Windows XP/2000 computers, which allows to gain remote control of the affected computer with the same privileges as the logged on user.

Affected platforms:

Windows XP/2000

First detected on:March 4, 2005
Detection updated on:March 4, 2005
StatisticsNo

Brief Description 

    

MS04-011 is not categorized as virus, worm, Trojan or backdoor. It is a critical vulnerability in Windows XP/2000 computers, known as LSASS Vulnerability, which allows to remotely execute arbitrary code in the vulnerable computer.

If exploited successfully, MS04-011 allows hackers to gain remote control of the affected computer with the same privileges as the logged on user. If this user had administrator rights, the hacker could take complete control of the system: create, modify or delete files, install programs, create new user accounts, etc.

This vulnerability is exploited by creating a specially crafted message and sending it to a vulnerable computer, which would execute the associated code.

 

If you have a Windows XP/2000 computer, it is recommendable to download and apply the security patch for this vulnerability available in the Microsoft Security bulletin MS04-011.

Visible Symptoms 

    

MS04-011 is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.