CVE-2012-0475

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.

Category

2.6
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.29%
Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/75153 vdb entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16279 signature vdb entry
https://bugzilla.mozilla.org/show_bug.cgi?id=694576
http://secunia.com/advisories/49055 third party advisory
http://www.securityfocus.com/bid/53230 vdb entry
http://secunia.com/advisories/48972 third party advisory
http://secunia.com/advisories/49047 third party advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-28.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-0475?
CVE-2012-0475 has been scored as a low severity vulnerability.
How to fix CVE-2012-0475?
To fix CVE-2012-0475, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-0475 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-0475 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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