Vulnerability Description
The New Tab page in Mozilla Firefox before 17.0 uses a privileged context for execution of JavaScript code by bookmarklets, which allows user-assisted remote attackers to run arbitrary programs by leveraging a javascript: URL in a bookmark.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | <= 16.0.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html
- http://secunia.com/advisories/51369
- http://secunia.com/advisories/51434
- http://secunia.com/advisories/51439
- http://www.mozilla.org/security/announce/2012/mfsa2012-95.htmlVendor Advisory
- http://www.securityfocus.com/bid/56623
- http://www.ubuntu.com/usn/USN-1638-1
- http://www.ubuntu.com/usn/USN-1638-2
- http://www.ubuntu.com/usn/USN-1638-3
- https://bugzilla.mozilla.org/show_bug.cgi?id=765628
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
FAQ
What is CVE-2012-4203?
CVE-2012-4203 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The New Tab page in Mozilla Firefox before 17.0 uses a privileged context for execution of JavaScript code by bookmarklets, which allows user-assisted remote attackers to run arbitrary programs by lev...
How severe is CVE-2012-4203?
CVE-2012-4203 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-4203?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.