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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

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MS07-033

 
Threat LevelLow threatDamageHighDistributionNot widespread
Common name:MS07-033
Technical name:MS07-033
Threat level:Medium
Alias:Cumulative Security Update for Internet Explorer, Actualización de seguridad acumulativa para Internet Explorer
Type:Vulnerability
Effects:  

It is a group of vulnerabilities in Internet Explorer versions 5.01 on Windows 2000, 6 on Windows 2003/XP/2000 computers and 7 on Windows Vista/2003/XP, which allows hackers to gain remote control of the affected computer with the same privileges as the logged on user.

Affected platforms:

Other

First detected on:June 13, 2007
Detection updated on:June 13, 2007
StatisticsNo

Brief Description 

    

MS07-033 is not categorized as virus, worm, Trojan or backdoor. It is a group of critical vulnerabilities in Internet Explorer on Windows Vista/2003/XP/2000 computers, which allows arbitrary code to be remotely executed in the vulnerable computer. Affected versions of Internet Explorer are 5.01, 6 and 7.

The addressed vulnerabilities are:

  • COM Object Instantiation Memory Corruption vulnerability.
  • CSS Tag Memory Corruption vulnerability.
  • Language Pack Installation vulnerability.
  • Uninitialized Memory Corruption vulnerability.
  • Navigation Cancel Page Spoofing vulnerability.
  • Speech Control Memory Corruption vulnerability.

 

If exploited successfully, MS07-033 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.

These vulnerabilities are usually exploited by creating a specially crafted web page and enticing users into accessing it. The link to the website can be distributed using several methods, such as email, instant messaging programs, etc.

 

If you have a Windows Vista/2003/XP/2000 computer, it is recommended to download and apply the security patch for this vulnerability. Click here to access the web page for downloading the patch. However, provided that this is a cumulative patch, make sure that you download the latest security patch available.