MSN (Microsoft Network) Messenger GIF image code execution

msn-messenger-gif-execute-code (19950) The risk level is classified as HighHigh Risk

Description:

MSN (Microsoft Network) Messenger could allow a remote attacker to execute arbitrary code caused by improper bounds checking of user-supplied input in the width and height fields of a GIF image file. If a remote attacker could convince a victim to add the attacker to their contacts list, the attacker could send a specially-crafted GIF image, possibly in the form of an emoticon or display picture, to execute arbitrary code on the system.

Platforms Affected:

  • Microsoft, MSN Messenger 6.2

Remedy:

Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS05-022. See References.

Consequences:

Gain Access

References:

Reported:

Apr 12, 2005

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