CVE-2015-0832

Mozilla: Appended period to hostnames can bypass HPKP and HSTS protections (MFSA 2015-13)

Published Feb 25, 2015 CVSS 2.0 · 5.0 Medium EPSS 1.3% KEV · Not listed
Description
Mozilla Firefox before 36.0 does not properly recognize the equivalence of domain names with and without a trailing . (dot) character, which allows man-in-the-middle attackers to bypass the HPKP and HSTS protection mechanisms by constructing a URL with this character and leveraging access to an X.509 certificate for a domain with this character.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2015-0845 Mozilla Firefox before 36.0 does not properly recognize the equivalence of domain names with and without a trailing . (dot) character, which allows man-in-the-middle attackers to bypass the HPKP and HSTS protection mechanisms by constructing a URL with this character and leveraging access to an X.509 certificate for a domain with this character.
Ubuntu USN Ubuntu USN USN-2505-1 Firefox vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 6, 2024, 4:26 AM
Reserved
Jan 7, 2015, 12:00 AM
Status
Modified
Published
Feb 25, 2015, 11:59 AM
Modified
Jun 17, 2026, 12:20 AM
Severity
Moderate
Public date
Feb 24, 2015, 12:00 AM