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CVE-2015-2741

Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 do not enforce key pinning upon encountering an X.509 certificate proble…

Impact

Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 do not enforce key pinning upon encountering an X.509 certificate problem that generates a user dialog, which allows user-assisted man-in-the-middle attackers to bypass intended access restrictions by triggering a (1) expired certificate or (2) mismatched hostname for a domain with pinning enabled.

Affected products

VendorProductAffected versions
MozillaFirefox
through 38.1.0
Versions 31.0, 31.1.0, 31.1.1, 31.3.0, 31.5.1
OracleSolaris
Version 11.3
MozillaFirefox Esr
Versions 31.1, 31.2, 31.3, 31.4, 31.5, 31.6.0

Weakness classification

CWE-310

References