CVE-2012-0458

UnknownEPSS 2.79%

Last modified

CVE-2012-0458 is a vulnerability of currently unknown severity. Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 do not properly restrict setting the home page through the dragging of a URL to the home button, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a javascript: URL that is later interpreted in the about:sessionrestore context.. EPSS estimates a 2.79% chance of exploitation in the next 30 days.

Description

Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 do not properly restrict setting the home page through the dragging of a URL to the home button, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a javascript: URL that is later interpreted in the about:sessionrestore context.

Metrics

EPSS Probability
2.79%

84.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaFirefox<= 3.6.27
MozillaFirefox> 4.0, <= 10.0
MozillaFirefox10.0
MozillaFirefox10.0.1
MozillaFirefox10.0.2
MozillaThunderbird>= 1.0, <= 3.1.19
MozillaThunderbird> 5.0, <= 10.0
MozillaThunderbird Esr10.0
MozillaThunderbird Esr10.0.1
MozillaThunderbird Esr10.0.2
MozillaSeamonkeyAll versions
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
MozillaSeamonkey1.1.7
MozillaSeamonkey1.1.8
MozillaSeamonkey1.1.9
MozillaSeamonkey1.1.10
MozillaSeamonkey1.1.11
MozillaSeamonkey1.1.12
MozillaSeamonkey1.1.13
MozillaSeamonkey1.1.14
MozillaSeamonkey1.1.15
MozillaSeamonkey1.1.16
MozillaSeamonkey1.1.17
MozillaSeamonkey1.1.18
MozillaSeamonkey1.1.19
MozillaSeamonkey1.5.0.8
MozillaSeamonkey1.5.0.9
MozillaSeamonkey1.5.0.10
MozillaSeamonkey2.0
MozillaSeamonkey2.0.1
MozillaSeamonkey2.0.2
MozillaSeamonkey2.0.3
MozillaSeamonkey2.0.4
MozillaSeamonkey2.0.5

Showing 50 of 73 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-0458?
Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 do not properly restrict setting the home page through the dragging of a URL to the home button, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a javascript: URL that is later interpreted in the about:sessionrestore context.
How severe is CVE-2012-0458?
Severity scoring for CVE-2012-0458 is pending analysis. The EPSS model estimates a 2.79% probability of exploitation in the next 30 days.
How do I fix CVE-2012-0458?
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-2012-0458?

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

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Source: NVD / NIST