Privilege escalation in Mozilla Firefox
CVE-2012-3993
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 properly interact with failures of InstallTrigger methods, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site, related to an "XrayWrapper pollution" issue.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.426 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.426 · newest: 0.426 · change: 0.000
Affected products
- Mozilla Firefox — versions 10.0, 10.0.1, 10.0.2
- Mozilla Seamonkey — versions 2.0, 2.0.1, 2.0.2
- Mozilla Thunderbird — versions 1.0, 1.0.1, 1.0.2
- Mozilla Thunderbird Esr — versions 10.0, 10.0.1, 10.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/50904 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/50984 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/50935 (Third Party Advisory, third-party-advisory)
- www.mozilla.org/security/announce/2012/mfsa2012-83.html (Vendor Advisory)
- secunia.com/advisories/50856 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/50892 (Third Party Advisory, third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:16718 (signature, Third Party Advisory, vdb-entry)
- rhn.redhat.com/errata/RHSA-2012-1351.html (vendor-advisory, Third Party Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/79153 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/50936 (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2012-3993?
- CVE-2012-3993 is a vulnerability in Mozilla Firefox, classified under Improper Privilege Management. Published 2012-10-10.
- Is CVE-2012-3993 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.