Public Date:
1479212: CVE-2017-7797 Mozilla: Response header name interning leaks across origins (MFSA 2017-18)

The MITRE CVE dictionary describes this issue as:

Response header name interning does not have same-origin protections and these headers are stored in a global registry. This allows stored header names to be available cross-origin. This vulnerability affects Firefox < 55.

Find out more about CVE-2017-7797 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 4.7
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Impact None
Availability Impact None

Affected Packages State

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


Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Anne van Kesteren as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation