RCE in Mozilla Firefox
CVE-2009-2477
js/src/jstracer.cpp in the Just-in-time (JIT) JavaScript compiler (aka TraceMonkey) in Mozilla Firefox 3.5 before 3.5.1 allows remote attackers to execute arbitrary code via certain use of the escape function that triggers access to uninitialized memory locations, as originally demonstrated by a document containing P and FONT elements.
Vulnerability class: RCE (Remote Code Execution)
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: 0.427 (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: 0.427 · newest: 0.427 · change: 0.000
Affected products
- Mozilla Firefox — versions 3.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.mozilla.org/show_bug.cgi
- www.kb.cert.org/vuls/id/443060 (US Government Resource, third-party-advisory)
- www.redhat.com/archives/fedora-package-announce/2009-July/msg00909.html (vendor-advisory)
- www.exploit-db.com/exploits/40936/ (exploit)
- voices.washingtonpost.com/securityfix/2009/07/stopgap_fix_for_critical_firef.ht…
- isc.sans.org/diary.html
- sunsolve.sun.com/search/document.do (vendor-advisory)
- www.securityfocus.com/bid/35660 (Exploit, vdb-entry)
- www.exploit-db.com/exploits/9181 (exploit)
- secunia.com/advisories/35798 (Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2009-2477?
- CVE-2009-2477 is a vulnerability in Mozilla Firefox, classified under Code Injection. Published 2009-07-15.
- Is CVE-2009-2477 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.