Strix
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CVE-2012-0475

UnknownEPSS 1.86%

Last modified

CVE-2012-0475 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.86% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.86%

76.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MozillaFirefox4.0—
MozillaFirefox4.0.1—
MozillaFirefox5.0—
MozillaFirefox5.0.1—
MozillaFirefox6.0—
MozillaFirefox6.0.1—
MozillaFirefox6.0.2—
MozillaFirefox7.0—
MozillaFirefox7.0.1—
MozillaFirefox8.0—
MozillaFirefox8.0.1—
MozillaFirefox9.0—
MozillaFirefox9.0.1—
MozillaFirefox10.0—
MozillaFirefox10.0.1—
MozillaFirefox10.0.2—
MozillaFirefox11.0—
MozillaThunderbird5.0—
MozillaThunderbird6.0—
MozillaThunderbird6.0.1—
MozillaThunderbird6.0.2—
MozillaThunderbird7.0—
MozillaThunderbird7.0.1—
MozillaThunderbird8.0—
MozillaThunderbird9.0—
MozillaThunderbird9.0.1—
MozillaThunderbird10.0—
MozillaThunderbird10.0.1—
MozillaThunderbird10.0.2—
MozillaThunderbird10.0.3—
MozillaThunderbird10.0.4—
MozillaThunderbird11.0—
MozillaSeamonkey<= 2.9Beta3
MozillaSeamonkey1.0—
MozillaSeamonkey1.0.1—
MozillaSeamonkey1.0.2—
MozillaSeamonkey1.0.3—
MozillaSeamonkey1.0.4—
MozillaSeamonkey1.0.5—
MozillaSeamonkey1.0.6—
MozillaSeamonkey1.0.7—
MozillaSeamonkey1.0.8—
MozillaSeamonkey1.0.9—
MozillaSeamonkey1.1—
MozillaSeamonkey1.1.1—
MozillaSeamonkey1.1.2—
MozillaSeamonkey1.1.3—
MozillaSeamonkey1.1.4—
MozillaSeamonkey1.1.5—
MozillaSeamonkey1.1.6—

Showing 50 of 97 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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) XMLHttpRequest or (2) WebSocket operation involving a nonstandard port number and an IPv6 address that contains certain zero fields.
How severe is CVE-2012-0475?
Severity scoring for CVE-2012-0475 is pending analysis. The EPSS model estimates a 1.86% probability of exploitation in the next 30 days.
How do I fix CVE-2012-0475?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-0475?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST