CVE-2015-7215
Description
The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| suse | 42.1 | affected | |
| suse | 13.1 | affected | |
| suse | 13.2 | affected | |
| fedora | 22 | affected | |
| fedora | 23 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mozilla | firefox | {"endIncluding":"42.0"} | |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00104.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-140.html
- http://www.securityfocus.com/bid/79280
- http://www.securitytracker.com/id/1034426
- http://www.ubuntu.com/usn/USN-2833-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1160890
- https://github.com/whatwg/html/issues/164
- https://github.com/whatwg/html/pull/166
- https://security.gentoo.org/glsa/201512-10
- https://www.w3.org/Bugs/Public/show_bug.cgi?id=28961
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00104.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-140.html
- http://www.securityfocus.com/bid/79280
- http://www.securitytracker.com/id/1034426
- http://www.ubuntu.com/usn/USN-2833-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1160890
- https://github.com/whatwg/html/issues/164
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.