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.
Consequences:
Obtain Information
Remedy:
Upgrade to the latest version of Opera (6.03 or later), available from the Opera Web site. See References.
References:
- GreyMagic Security Advisory GM#001-OP: Reading ANY local file in Opera.
- Opera Web site: Opera 6.03 changelog.
- Opera Web site: Download Opera.
- 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.
Platforms Affected:
- Opera Opera Browser 6.01 win32
- Opera Opera Browser 6.02 win32
Reported:
May 27, 2002
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net