CVE-2017-5383

Impact:
Moderate
Public Date:
2017-01-24
Bugzilla:
1416281: CVE-2017-5383 Mozilla: Location bar spoofing with unicode characters (MFSA 2017-02)

The MITRE CVE dictionary describes this issue as:

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

Find out more about CVE-2017-5383 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None

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

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (thunderbird) RHSA-2017:0238 2017-02-02
Red Hat Enterprise Linux 5 (firefox) RHSA-2017:0190 2017-01-25
Red Hat Enterprise Linux 7 (firefox) RHSA-2017:0190 2017-01-25
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2017:0238 2017-02-02
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2017:0238 2017-02-02
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2017:0238 2017-02-02
Red Hat Enterprise Linux 6 (firefox) RHSA-2017:0190 2017-01-25

Acknowledgements

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

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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