CVE-2016-1949
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.50% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00102.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00142.html
- http://www.mozilla.org/security/announce/2016/mfsa2016-13.htmlVendor Advisory
- http://www.securitytracker.com/id/1035007
- http://www.ubuntu.com/usn/USN-2893-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1245724
- https://security.gentoo.org/glsa/201605-06
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00102.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00142.html
- http://www.mozilla.org/security/announce/2016/mfsa2016-13.htmlVendor Advisory
- http://www.securitytracker.com/id/1035007
- http://www.ubuntu.com/usn/USN-2893-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1245724
- https://security.gentoo.org/glsa/201605-06
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.