The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-79.
Summary
The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 does not prevent access to properties of a prototype for a standard class, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 10.0.8 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* | before 10.0.8 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 16.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 16.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* | before 2.13 | Vulnerable | Mozilla |
| cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* | 10.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* | 11.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* | 11.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 10.0.8 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* Versions before 10.0.8 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 16.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 16.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions before 2.13 Vulnerable ·Mozilla
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* Versions 10.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* Versions 11.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* Versions 11.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:* | 6.3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:* | 11 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_sdk:10:sp4:*:*:*:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:* | 11 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:* | 11 sp3 | Vulnerable | SUSE |
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:* Versions 6.3 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:* Versions 11 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_sdk:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:* Versions 11 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:* Versions 11 sp3 Vulnerable ·SUSE
Remediation
Red Hat 2 advisories
- RHSA-2012:1350 Released 2012-10-09 · Red Hat rating Criticalfirefox security and bug fix update
- RHEL Desktop Workstation (v. 5 client) xulrunner-10.0.8-1.el5_8, xulrunner-devel-10.0.8-1.el5_8, xulrunner-devel-10.0.8-1.el5_8.i386
- Red Hat Enterprise Linux (v. 5 server) firefox-10.0.8-1.el5_8, firefox-10.0.8-1.el5_8.i386, firefox-10.0.8-1.el5_8.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) firefox-10.0.8-1.el5_8, firefox-10.0.8-1.el5_8.i386, xulrunner-10.0.8-1.el5_8 +1
- Red Hat Enterprise Linux Desktop (v. 6) firefox-10.0.8-1.el6_3, xulrunner-10.0.8-1.el6_3
- Red Hat Enterprise Linux Desktop Optional (v. 6) xulrunner-10.0.8-1.el6_3, xulrunner-devel-10.0.8-1.el6_3
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-10.0.8-1.el6_3, xulrunner-10.0.8-1.el6_3, xulrunner-devel-10.0.8-1.el6_3
- Red Hat Enterprise Linux Server (v. 6) firefox-10.0.8-1.el6_3, firefox-10.0.8-1.el6_3.ppc, xulrunner-10.0.8-1.el6_3 +1
- Red Hat Enterprise Linux Server Optional (v. 6) xulrunner-10.0.8-1.el6_3, xulrunner-devel-10.0.8-1.el6_3, xulrunner-devel-10.0.8-1.el6_3.ppc
- Red Hat Enterprise Linux Workstation (v. 6) firefox-10.0.8-1.el6_3, xulrunner-10.0.8-1.el6_3
- Red Hat Enterprise Linux Workstation Optional (v. 6) xulrunner-10.0.8-1.el6_3, xulrunner-devel-10.0.8-1.el6_3
- RHSA-2012:1351 Released 2012-10-09 · Red Hat rating Criticalthunderbird security update
- RHEL Optional Productivity Applications (v. 5 server) thunderbird-10.0.8-1.el5_8, thunderbird-10.0.8-1.el5_8.i386
- Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-10.0.8-1.el5_8, thunderbird-10.0.8-1.el5_8.i386
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-10.0.8-1.el6_3
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-10.0.8-1.el6_3
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-10.0.8-1.el6_3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHEL Desktop Workstation (v. 5 client) | Fixed | RHSA-2012:1350 |
| RHEL Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2012:1351 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:1350 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:1350, RHSA-2012:1351 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2012:1350, RHSA-2012:1351 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2012:1350 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2012:1350 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:1350 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2012:1350, RHSA-2012:1351 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:1350, RHSA-2012:1351 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2012:1350 |
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4184
- 2026-10-03 Alias added: GHSA-j9vm-hppw-gg7g
References
Sources
- CVE-2012-4184 · CVE Program
- CVE-2012-4184 · NVD
- FIRST EPSS
- GHSA-j9vm-hppw-gg7g · GitHub Advisory Database · CC BY 4.0
- CVE-2012-4184 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences