CVE-2017-7791

Impact:
Moderate
Public Date:
2017-08-08
CWE:
CWE-829
Bugzilla:
1479209: CVE-2017-7791 Mozilla: Spoofing following page navigation with data: protocol and modal alerts (MFSA 2017-19)

The MITRE CVE dictionary describes this issue as:

On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Find out more about CVE-2017-7791 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 9.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality High
Integrity Impact High
Availability Impact None

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (firefox) RHSA-2017:2456 2017-08-10
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2017:2534 2017-08-24
Red Hat Enterprise Linux 6 (firefox) RHSA-2017:2456 2017-08-10
Red Hat Enterprise Linux 7 (thunderbird) RHSA-2017:2534 2017-08-24

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Jose María Acuña as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation