CVE-2012-0475: Low severity firefox vulnerability

Published Apr 25, 2012
·
Updated

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.

Affected Software

157 affected components
Mozilla Firefox=4.0
Mozilla Firefox=4.0-beta1
Mozilla Firefox=4.0-beta10
Mozilla Firefox=4.0-beta11
Mozilla Firefox=4.0-beta12
Mozilla Firefox=4.0-beta2
Mozilla Firefox=4.0-beta3
Mozilla Firefox=4.0-beta4
Mozilla Firefox=4.0-beta5
Mozilla Firefox=4.0-beta6
Mozilla Firefox=4.0-beta7
Mozilla Firefox=4.0-beta8
Mozilla Firefox=4.0-beta9
Mozilla Firefox=4.0.1
Mozilla Firefox=5.0
Mozilla Firefox=5.0.1
Mozilla Firefox=6.0
Mozilla Firefox=6.0.1
Mozilla Firefox=6.0.2
Mozilla Firefox=7.0
Mozilla Firefox=7.0.1
Mozilla Firefox=8.0
Mozilla Firefox=8.0.1
Mozilla Firefox=9.0
Mozilla Firefox=9.0.1
Mozilla Firefox=10.0
Mozilla Firefox=10.0.1
Mozilla Firefox=10.0.2
Mozilla Firefox=11.0
Mozilla Thunderbird=5.0
Mozilla Thunderbird=6.0
Mozilla Thunderbird=6.0.1
Mozilla Thunderbird=6.0.2
Mozilla Thunderbird=7.0
Mozilla Thunderbird=7.0.1
Mozilla Thunderbird=8.0
Mozilla Thunderbird=9.0
Mozilla Thunderbird=9.0.1
Mozilla Thunderbird=10.0
Mozilla Thunderbird=10.0.1
Mozilla Thunderbird=10.0.2
Mozilla Thunderbird=10.0.3
Mozilla Thunderbird=10.0.4
Mozilla Thunderbird=11.0
Mozilla SeaMonkey<=2.9
Mozilla SeaMonkey=1.0
Mozilla SeaMonkey=1.0-alpha
Mozilla SeaMonkey=1.0-beta
Mozilla SeaMonkey=1.0.1
Mozilla SeaMonkey=1.0.2
Mozilla SeaMonkey=1.0.3
Mozilla SeaMonkey=1.0.4
Mozilla SeaMonkey=1.0.5
Mozilla SeaMonkey=1.0.6
Mozilla SeaMonkey=1.0.7
Mozilla SeaMonkey=1.0.8
Mozilla SeaMonkey=1.0.9
Mozilla SeaMonkey=1.1
Mozilla SeaMonkey=1.1-alpha
Mozilla SeaMonkey=1.1-beta
Mozilla SeaMonkey=1.1.1
Mozilla SeaMonkey=1.1.2
Mozilla SeaMonkey=1.1.3
Mozilla SeaMonkey=1.1.4
Mozilla SeaMonkey=1.1.5
Mozilla SeaMonkey=1.1.6
Mozilla SeaMonkey=1.1.7
Mozilla SeaMonkey=1.1.8
Mozilla SeaMonkey=1.1.9
Mozilla SeaMonkey=1.1.10
Mozilla SeaMonkey=1.1.11
Mozilla SeaMonkey=1.1.12
Mozilla SeaMonkey=1.1.13
Mozilla SeaMonkey=1.1.14
Mozilla SeaMonkey=1.1.15
Mozilla SeaMonkey=1.1.16
Mozilla SeaMonkey=1.1.17
Mozilla SeaMonkey=1.1.18
Mozilla SeaMonkey=1.1.19
Mozilla SeaMonkey=1.5.0.8
Mozilla SeaMonkey=1.5.0.9
Mozilla SeaMonkey=1.5.0.10
Mozilla SeaMonkey=2.0
Mozilla SeaMonkey=2.0-alpha_1
Mozilla SeaMonkey=2.0-alpha_2
Mozilla SeaMonkey=2.0-alpha_3
Mozilla SeaMonkey=2.0-beta_1
Mozilla SeaMonkey=2.0-beta_2
Mozilla SeaMonkey=2.0-rc1
Mozilla SeaMonkey=2.0-rc2
Mozilla SeaMonkey=2.0.1
Mozilla SeaMonkey=2.0.2
Mozilla SeaMonkey=2.0.3
Mozilla SeaMonkey=2.0.4
Mozilla SeaMonkey=2.0.5
Mozilla SeaMonkey=2.0.6
Mozilla SeaMonkey=2.0.7
Mozilla SeaMonkey=2.0.8
Mozilla SeaMonkey=2.0.9
Mozilla SeaMonkey=2.0.10
Mozilla SeaMonkey=2.0.11
Mozilla SeaMonkey=2.0.12
Mozilla SeaMonkey=2.0.13
Mozilla SeaMonkey=2.0.14
Mozilla SeaMonkey=2.1
Mozilla SeaMonkey=2.1-alpha1
Mozilla SeaMonkey=2.1-alpha2
Mozilla SeaMonkey=2.1-alpha3
Mozilla SeaMonkey=2.1-beta1
Mozilla SeaMonkey=2.1-beta2
Mozilla SeaMonkey=2.1-beta3
Mozilla SeaMonkey=2.1-rc1
Mozilla SeaMonkey=2.1-rc2
Mozilla SeaMonkey=2.2
Mozilla SeaMonkey=2.2-beta1
Mozilla SeaMonkey=2.2-beta2
Mozilla SeaMonkey=2.2-beta3
Mozilla SeaMonkey=2.3
Mozilla SeaMonkey=2.3-beta1
Mozilla SeaMonkey=2.3-beta2
Mozilla SeaMonkey=2.3-beta3
Mozilla SeaMonkey=2.3.1
Mozilla SeaMonkey=2.3.2
Mozilla SeaMonkey=2.3.3
Mozilla SeaMonkey=2.4
Mozilla SeaMonkey=2.4-beta1
Mozilla SeaMonkey=2.4-beta2
Mozilla SeaMonkey=2.4-beta3
Mozilla SeaMonkey=2.4.1
Mozilla SeaMonkey=2.5
Mozilla SeaMonkey=2.5-beta1
Mozilla SeaMonkey=2.5-beta2
Mozilla SeaMonkey=2.5-beta3
Mozilla SeaMonkey=2.5-beta4
Mozilla SeaMonkey=2.6
Mozilla SeaMonkey=2.6-beta1
Mozilla SeaMonkey=2.6-beta2
Mozilla SeaMonkey=2.6-beta3
Mozilla SeaMonkey=2.6-beta4
Mozilla SeaMonkey=2.6.1
Mozilla SeaMonkey=2.7
Mozilla SeaMonkey=2.7-beta1
Mozilla SeaMonkey=2.7-beta2
Mozilla SeaMonkey=2.7-beta3
Mozilla SeaMonkey=2.7-beta4
Mozilla SeaMonkey=2.7-beta5
Mozilla SeaMonkey=2.7.1
Mozilla SeaMonkey=2.7.2
Mozilla SeaMonkey=2.8
Mozilla SeaMonkey=2.8-beta1
Mozilla SeaMonkey=2.8-beta2
Mozilla SeaMonkey=2.8-beta3
Mozilla SeaMonkey=2.8-beta4
Mozilla SeaMonkey=2.8-beta5
Mozilla SeaMonkey=2.8-beta6
Mozilla SeaMonkey=2.9-beta1
Mozilla SeaMonkey=2.9-beta2

Event History

Apr 25, 2012
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2012-0475?

CVE-2012-0475 is classified as a moderate severity vulnerability due to its potential for allowing cross-site attacks.

2

How do I fix CVE-2012-0475?

To mitigate CVE-2012-0475, update to the latest version of affected software such as Mozilla Firefox, Thunderbird, and SeaMonkey.

3

Which versions are affected by CVE-2012-0475?

CVE-2012-0475 affects Mozilla Firefox versions 4.x through 11.0, Thunderbird versions 5.0 through 11.0, and earlier versions of SeaMonkey.

4

What types of attacks can exploit CVE-2012-0475?

CVE-2012-0475 can be exploited through cross-site XMLHttpRequest or WebSocket operations.

5

Is CVE-2012-0475 an isolated issue?

No, CVE-2012-0475 is part of a broader category of vulnerabilities associated with improper handling of HTTP headers.

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