Vulnerability Note VU#421529
Mozilla contains a buffer overflow vulnerability in crypto.signText()
OverviewMozilla products contain a buffer overflow in the crypto.signText() method. This may allow a remote attacker to execute arbitrary code.
I. Descriptioncrypto.SignText()
JavaScript contains a crypto.signText() method, which allows the user to digitally sign a text string.
The problem
The Mozilla crypto.signText() method contains a buffer overflow. Mozilla Firefox and Thunderbird are reported to be vulnerable.
II. ImpactBy convincing a user to view a specially crafted HTML document (e.g., a web page, an HTML email message, or an HTML email attachment), an attacker may be able to execute arbitrary code with the privileges of the user.
III. SolutionApply an update
Refer to Mozilla Foundation Security Advisory 2006-38 for fixed versions of Mozilla products.
Disable JavaScript
This vulnerability can be mitigated by disabling JavaScript.
Systems Affected
References
http://www.mozilla.org/security/announce/2006/mfsa2006-38.html
https://bugzilla.mozilla.org/show_bug.cgi?id=330897
http://devedge-temp.mozilla.org/library/manuals/2000/javascript/1.3/reference/window.html#1202035
http://secunia.com/advisories/21188/
http://www.securityfocus.com/bid/18228
Credit
Thanks to the Mozilla Foundation Security Advisory for reporting this vulnerability, who in turn credit Mikolaj J. Habryn.
This document was written by Will Dormann.
Other Information
| Date Public | 06/01/2006 |
| Date First Published | 06/02/2006 11:02:50 AM |
| Date Last Updated | 02/09/2007 |
| CERT Advisory | |
| CVE Name | CVE-2006-2778 |
| US-CERT Technical Alerts | |
| Metric | 10.33 |
| Document Revision | 17 |
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