VulnerabilityModified
CVE-2015-7197
Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly control the ability of a web worker to create a WebSocket object, which allows remote attackers to bypass intended mixed-content restrictions via crafted JavaScript code.
MEDIUM 5.0EPSS 2.54%
Does this matter?
Lower severity and a low EPSS score (2.54%). Track it; it rarely justifies an emergency change on its own.
Description
Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly control the ability of a web worker to create a WebSocket object, which allows remote attackers to bypass intended mixed-content restrictions via crafted JavaScript code.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 2.54% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html
- http://rhn.redhat.com/errata/RHSA-2015-1982.html
- http://rhn.redhat.com/errata/RHSA-2015-2519.html
- http://www.debian.org/security/2015/dsa-3393
- http://www.debian.org/security/2015/dsa-3410
- http://www.mozilla.org/security/announce/2015/mfsa2015-132.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/77411
- http://www.securitytracker.com/id/1034069
- http://www.ubuntu.com/usn/USN-2785-1
- http://www.ubuntu.com/usn/USN-2819-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1204269
- https://security.gentoo.org/glsa/201512-10
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html
- http://rhn.redhat.com/errata/RHSA-2015-1982.html
- http://rhn.redhat.com/errata/RHSA-2015-2519.html
- http://www.debian.org/security/2015/dsa-3393
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.