CVE-2015-7193

Impact:
Important
Public Date:
2015-11-04
Bugzilla:
1277346: CVE-2015-7193 Mozilla: CORS preflight is bypassed when non-standard Content-Type headers are received (MFSA 2015-127)

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2015-7193 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 5.1
Base Metrics AV:N/AC:H/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2015:2519 2015-11-26
Red Hat Enterprise Linux 7 (firefox) RHSA-2015:1982 2015-11-04
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2015:2519 2015-11-26
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2015:2519 2015-11-26
Red Hat Enterprise Linux 7 (thunderbird) RHSA-2015:2519 2015-11-26
Red Hat Enterprise Linux 6 (firefox) RHSA-2015:1982 2015-11-04
Red Hat Enterprise Linux 5 (firefox) RHSA-2015:1982 2015-11-04

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Shinto K Anto as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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