CVE-2014-8638
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…
Does this matter?
Lower severity and a low EPSS score (1.02%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 1.02% probability · 61th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird · mozilla/seamonkey
- Source
- security@mozilla.org
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
- http://secunia.com/advisories/62259
- http://secunia.com/advisories/62273
- http://secunia.com/advisories/62274
- http://secunia.com/advisories/62283
- http://secunia.com/advisories/62293
- http://secunia.com/advisories/62304
- http://secunia.com/advisories/62313
- http://secunia.com/advisories/62315
- http://secunia.com/advisories/62316
- http://secunia.com/advisories/62418
- http://secunia.com/advisories/62446
- http://secunia.com/advisories/62657
- http://secunia.com/advisories/62790
- http://www.debian.org/security/2015/dsa-3127
- http://www.debian.org/security/2015/dsa-3132
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.