firefox: A Blob URL can violate origin attribute segregation, allowing it to be accessed from a private browsing tab and for d...
CVE-2018-5108 is fixed in 4 products on 1 platform, first by firefox 59.0.1+build1-0ubuntu1, released June 11, 2018. It is not reported as exploited. Patch Radar priority: Routine.
A Blob URL can violate origin attribute segregation, allowing it to be accessed from a private browsing tab and for data to be passed between the private browsing tab and a normal tab. This could allow for the leaking of private information specific to the private browsing context. This issue is mitigated by the requirement that the user enter the Blob URL manually in order for the access violation to occur. This vulnerability affects Firefox < 58.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 59.0.1+build1-0ubuntu1 | firefox 59.0.1+build1-0ubuntu1 | Jun 11, 2018 |
| firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 59.0.1+build1-0ubuntu1 | firefox-globalmenu 59.0.1+build1-0ubuntu1 | Jun 11, 2018 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 59.0.1+build1-0ubuntu1 | firefox-mozsymbols 59.0.1+build1-0ubuntu1 | Jun 11, 2018 |
| firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) | 59.0.1+build1-0ubuntu1 | firefox-testsuite 59.0.1+build1-0ubuntu1 | Jun 11, 2018 |
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