CVE-2016-1949

Description

Mozilla Firefox before 44.0.2 does not properly restrict the interaction between Service Workers and plugins, which allows remote attackers to bypass the Same Origin Policy via a crafted web site that triggers spoofed responses to requests that use NPAPI, as demonstrated by a request for a crossdomain.xml file.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1035007 vdb entry
http://www.mozilla.org/security/announce/2016/mfsa2016-13.html vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1245724
http://lists.opensuse.org/opensuse-updates/2016-02/msg00142.html vendor advisory
http://www.ubuntu.com/usn/USN-2893-1 vendor advisory
https://security.gentoo.org/glsa/201605-06 vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00102.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-1949?
CVE-2016-1949 has been scored as a high severity vulnerability.
How to fix CVE-2016-1949?
To fix CVE-2016-1949, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-1949 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-1949 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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