A domain hijacking flaw has been found in firefox < 55.0 and thunderbird < 52.3. A mechanism that uses AppCache to hijack a URL in a domain using fallback by serving the files from a sub-path on the domain. This has been addressed by requiring fallback files be inside the manifest directory.
A domain hijacking flaw has been found in firefox < 55.0 and thunderbird < 52.3. A mechanism that uses AppCache to hijack a URL in a domain using fallback by serving the files from a sub-path on the domain. This has been addressed by requiring fallback files be inside the manifest directory.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7807 https://bugzilla.mozilla.org/show_bug.cgi?id=1376459