CVE-2017-7789

Impact:
Low
Public Date:
2017-08-08
CWE:
CWE-285
Bugzilla:
1479208: CVE-2017-7789 Mozilla: Failure to enable HSTS when two STS headers are sent for a connection (MFSA 2017-18)

The MITRE CVE dictionary describes this issue as:

If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid and HTTP Strict Transport Security (HSTS) will not be enabled for the connection. This vulnerability affects Firefox < 55.

Find out more about CVE-2017-7789 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 firefox Not affected
Red Hat Enterprise Linux 6 firefox Not affected

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Muneaki Nishimura as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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