CVE-2017-7823

Impact:
Moderate
Public Date:
2017-09-28
CWE:
CWE-79
Bugzilla:
1496655: CVE-2017-7823 Mozilla: CSP sandbox directive did not create a unique origin (MFSA 2017-22)

The MITRE CVE dictionary describes this issue as:

The content security policy (CSP) "sandbox" directive did not create a unique origin for the document, causing it to behave as if the "allow-same-origin" keyword were always specified. This could allow a Cross-Site Scripting (XSS) attack to be launched from unsafe content. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

Find out more about CVE-2017-7823 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 6.1
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Impact Low
Availability Impact None

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (firefox) RHSA-2017:2831 2017-09-28
Red Hat Enterprise Linux 7 (thunderbird) RHSA-2017:2885 2017-10-11
Red Hat Enterprise Linux 7 (firefox) RHSA-2017:2831 2017-09-28
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2017:2885 2017-10-11

Acknowledgements

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

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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