CVE-2015-7193

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.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.58%
Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory opensuse.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/1034069 vdb entry
http://www.debian.org/security/2015/dsa-3410 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html vendor advisory
https://security.gentoo.org/glsa/201512-10 vendor advisory
http://www.securityfocus.com/bid/77411 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00021.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-2519.html vendor advisory
http://www.ubuntu.com/usn/USN-2785-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00013.html vendor advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://rhn.redhat.com/errata/RHSA-2015-1982.html vendor advisory
http://www.ubuntu.com/usn/USN-2819-1 vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1210302
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html vendor advisory
http://www.debian.org/security/2015/dsa-3393 vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html vendor advisory
http://www.mozilla.org/security/announce/2015/mfsa2015-127.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00020.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-7193?
CVE-2015-7193 has been scored as a high severity vulnerability.
How to fix CVE-2015-7193?
To fix CVE-2015-7193, 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-2015-7193 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-7193 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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