Opera "file" HTML input-type could allow a remote attacker to retrieve arbitrary files

opera-browser-file-retrieval (9188) The risk level is classified as MediumMedium Risk

Description:

Opera could allow a remote attacker to obtain any known file from a user's local file system. A remote attacker could create a malicious HTML form with an HTML encoded newline character string ( ) appended to the "value" attribute of the "file" input-type element to obtain any known file from a victim's computer without the victim's knowledge.


Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of Opera (6.03 or later), available from the Opera Web site. See References.

References:

Platforms Affected:

  • Opera Opera Browser 6.01 win32
  • Opera Opera Browser 6.02 win32

Reported:

May 27, 2002

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