CVE-2012-0475
Mozilla Firefox 4.x through 11.0, Thunderbird 5.0 through 11.0, and SeaMonkey before 2.9 do not properly construct the Origin and Sec-WebSocket-Origin HTTP headers, which might allow remote attackers to bypass an IPv6 literal ACL via a cross-site (1)…
Does this matter?
Lower severity and a low EPSS score (1.85%). Track it; it rarely justifies an emergency change on its own.
Description
Mozilla Firefox 4.x through 11.0, Thunderbird 5.0 through 11.0, and SeaMonkey before 2.9 do not properly construct the Origin and Sec-WebSocket-Origin HTTP headers, which might allow remote attackers to bypass an IPv6 literal ACL via a cross-site (1) XMLHttpRequest or (2) WebSocket operation involving a nonstandard port number and an IPv6 address that contains certain zero fields.
- CVSS 2.0
- 2.6 LOWAV:N/AC:H/Au:N/C:N/I:P/A:N
- EPSS
- 1.85% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- mozilla/firefox · mozilla/thunderbird · mozilla/seamonkey
- Source
- cve@mitre.org
References
- http://secunia.com/advisories/48972
- http://secunia.com/advisories/49047
- http://secunia.com/advisories/49055
- http://www.mozilla.org/security/announce/2012/mfsa2012-28.htmlVendor Advisory
- http://www.securityfocus.com/bid/53230
- https://bugzilla.mozilla.org/show_bug.cgi?id=694576
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75153
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16279
- http://secunia.com/advisories/48972
- http://secunia.com/advisories/49047
- http://secunia.com/advisories/49055
- http://www.mozilla.org/security/announce/2012/mfsa2012-28.htmlVendor Advisory
- http://www.securityfocus.com/bid/53230
- https://bugzilla.mozilla.org/show_bug.cgi?id=694576
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75153
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16279
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.