CVE-2017-7807

Impact:
Important
Public Date:
2017-08-08
CWE:
CWE-829
Bugzilla:
1479227: CVE-2017-7807 Mozilla: Domain hijacking through appcache fallback (MFSA 2017-19)

The MITRE CVE dictionary describes this issue as:

A mechanism that uses AppCache to hijack a URL in a domain using fallback by serving the files from a sub-path on the domain. This has been addressed by requiring fallback files be inside the manifest directory. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Find out more about CVE-2017-7807 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

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

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 Mathias Karlsson as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation