Mozilla Greasemonkey extension information disclosure
| mozilla-greasemonkey-information-disclosure (21453) |  Medium Risk |
Description:
Greasemonkey could allow a remote attacker to obtain sensitive information caused by a vulnerability in the functions being exposed within the Greasemonkey extension. If a remote attacker uses a malicious Web site and the GM_xmlhttpRequest() function, the attacker could obtain sensitive information, such as information regarding arbitrary local files or local directories on the system.
Note: In order to exploit this vulnerability, the Greasemonkey script must be configured to run on a malicious Web site.
Platforms Affected:
- Greasemonkey, Greasemonkey prior to 0.3.5
Remedy:
Upgrade to the latest version of Mozilla Firefox for Greasemonkey (0.3.5 or later), available from the Greaseblog Update Web page. See References.
Consequences:
Obtain Information
References:
- Greaseblog Update Web page, Mandatory Greasemonkey Update at http://greaseblog.blogspot.com/2005/07/mandatory-greasemonkey-update.html.
- mozdev.org Web site, Important Announcement at http://greasemonkey.mozdev.org/.
- BID-14336: Greasemonkey Multiple Remote Information Disclosure Vulnerabilities
- CVE-2005-2455: Greasemonkey before 0.3.5 allows remote web servers to (1) read arbitrary files via a GET request to a file:// URL in the GM_xmlhttpRequest API function, (2) list installed scripts using GM_scripts, or obtain sensitive information via (3) GM_setValue and GM_getValue.
- FrSIRT/ADV-2005-1147: Greasemonkey Firefox Extension Arbitrary File Disclosure Issue
- SA16128: Firefox Greasemonkey Extension Disclosure of Sensitive Information
- SECTRACK ID: 1014529: Mozilla Firefox Greasemonkey Extension Discloses Data and Scripts to Remote Users
Reported:
Jul 21, 2005
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 (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.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net