Vulnerability Description
The navigator.sendBeacon implementation in Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 omits the CORS Origin header, which allows remote attackers to bypass intended CORS access-control checks and conduct cross-site request forgery (CSRF) attacks via a crafted web site.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | 31.0 |
| Mozilla | Firefox Esr | 31.2 |
| Mozilla | Thunderbird | <= 31.3.0 |
| Mozilla | Seamonkey | <= 2.31 |
Related Weaknesses (CWE)
References
- http://linux.oracle.com/errata/ELSA-2015-0046.html
- http://linux.oracle.com/errata/ELSA-2015-0047.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00071.html
- http://rhn.redhat.com/errata/RHSA-2015-0046.html
- http://rhn.redhat.com/errata/RHSA-2015-0047.html
- http://secunia.com/advisories/62237
- http://secunia.com/advisories/62242
- http://secunia.com/advisories/62250
- http://secunia.com/advisories/62253
FAQ
What is CVE-2014-8638?
CVE-2014-8638 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The navigator.sendBeacon implementation in Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 omits the CORS Origin header, which allows remo...
How severe is CVE-2014-8638?
CVE-2014-8638 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-2014-8638?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Mozilla Seamonkey.