Description
Mozilla Firefox 1.5 before 1.5.0.5 and SeaMonkey before 1.0.3 allows remote attackers to execute arbitrary code by changing certain properties of the window navigator object (window.navigator) that are accessed when Java starts up, which causes a crash that leads to code execution.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | devhelp +1 | 0.10-0.2.el4 | RHSA-2006:0609 |
| RHEL 4 | firefox +1 | 1.5.0.5-0.el4.1 | RHSA-2006:0611, RHSA-2006:0610 |
| RHEL 4 | seamonkey +5 | 1.0.3-0.el4.1 | RHSA-2006:0609 |
| RHEL 3 | seamonkey +9 | 1.0.3-0.el3.1 | RHSA-2006:0608 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Metasploit 1 module
-
Mozilla Suite/Firefox Navigator Object Code Execution
exploit/multi/browser/mozilla_navigatorjava
Exploit-DB 3
- Mozilla Suite/Firefox - Navigator Object Code Execution (Metasploit) EDB-16300 · remote · Sep 20, 2010 · verified
- Mozilla Firefox 1.5.0.4 - JavaScript Navigator Object Code Execution EDB-2082 · remote · Jul 28, 2006 · verified
- Mozilla Suite/Firefox < 1.5.0.5 - Navigator Object Code Execution (Metasploit) EDB-9946 · remote · Jul 25, 2006 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 4
- RHSA-2006:0611 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2006:0609 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2006:0610 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2006:0608 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 20060726 ZDI-06-025: Mozilla Firefox Javascript navigator Object Vulnerability mailing-list
- 21243 third-party-advisory
- RHSA-2006:0608 vendor-advisory
- GLSA-200608-02 vendor-advisory
- MDKSA-2006:145 vendor-advisory
- ADV-2006-3748 vdb-entry
- iphone-mobilesafari-dos(39998) vdb-entry
- 19181 vdb-entry
- mozilla-javascript-navigator-code-excecution(27981) vdb-entry
- TA06-208A third-party-advisory
- ADV-2006-2998 vdb-entry
- 20060727 rPSA-2006-0137-1 firefox mailing-list
- 21529 third-party-advisory
- http://www.zerodayinitiative.com/advisories/ZDI-06-025.html
- oval:org.mitre.oval:def:10745 vdb-entry signature
- 21216 third-party-advisory
- GLSA-200608-03 vendor-advisory
- RHSA-2006:0594 vendor-advisory
- 21336 third-party-advisory
- RHSA-2006:0610 vendor-advisory
- VU#670060 third-party-advisory
- RHSA-2006:0609 vendor-advisory
- 22210 third-party-advisory
- 1016586 vdb-entry
- 19873 third-party-advisory
- 21262 third-party-advisory
- http://www.mozilla.org/security/announce/2006/mfsa2006-45.html
- 21532 third-party-advisory
- 21270 third-party-advisory
- ADV-2008-0083 vdb-entry
- USN-327-1 vendor-advisory
- 21361 third-party-advisory
- 21631 third-party-advisory
- SSRT061181 vendor-advisory
- 21246 third-party-advisory
- SUSE-SA:2006:048 vendor-advisory
- 21229 third-party-advisory
- 1016587 vdb-entry
- RHSA-2006:0611 vendor-advisory
- https://issues.rpath.com/browse/RPL-536
- 22066 third-party-advisory
- 21269 third-party-advisory
- 21343 third-party-advisory
- MDKSA-2006:143 vendor-advisory
- 19192 vdb-entry
- USN-354-1 vendor-advisory