Opera "file" HTML input-type could allow a remote attacker to retrieve arbitrary files
| opera-browser-file-retrieval (9188) |  Medium 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.
Platforms Affected:
- Opera, Opera 6.01 win32
- Opera, Opera 6.02 win32
Remedy:
Upgrade to the latest version of Opera (6.03 or later), available from the Opera Web site. See References.
Consequences:
Obtain Information
References:
- GreyMagic Security Advisory GM#001-OP, Reading ANY local file in Opera at http://sec.greymagic.com/adv/gm001-op/.
- Opera Web site, Opera 6.03 changelog at http://www.opera.com/windows/changelog/log603.html.
- Opera Web site, Download Opera at http://www.opera.com/download/get.pl?platform=win&force=6.03.
- BID-4834: Opera Arbitrary File Disclosure Vulnerability
- CVE-2002-0898: Opera 6.0.1 and 6.0.2 allows a remote web site to upload arbitrary files from the client system, without prompting the client, via an input type=file tag whose value contains a newline.
Reported:
May 27, 2002
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