By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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mozilla firefox |
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mozilla firefox esr |
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debian debian linux 9.0 |
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debian debian linux 8.0 |
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canonical ubuntu linux 14.04 |
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canonical ubuntu linux 16.04 |
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canonical ubuntu linux 18.04 |
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canonical ubuntu linux 18.10 |
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redhat enterprise linux desktop 6.0 |
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redhat enterprise linux workstation 6.0 |
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redhat enterprise linux server 7.0 |
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redhat enterprise linux workstation 7.0 |
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redhat enterprise linux desktop 7.0 |
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redhat enterprise linux server 6.0 |
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redhat enterprise linux server eus 7.5 |