CVE-2015-7193
Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly follow the CORS cross-origin request algorithm for the POST method in situations involving an unspecified Content-Type header manipulation, which allows remote attackers to bypass…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly follow the CORS cross-origin request algorithm for the POST method in situations involving an unspecified Content-Type header manipulation, which allows remote attackers to bypass the Same Origin Policy by leveraging the lack of a preflight-request step.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 2.84% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-254
- 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/mfsa2015-127.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=1210302
- 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.