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CVE-2018-12399

Date: February 28, 2019

When a new protocol handler is registered, the API accepts a title argument which can be used to mislead users about which domain is registering the new protocol. This may result in the user approving a protocol handler that they otherwise would not have. This vulnerability affects Firefox < 63.

Language: Unix

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2018-12399
https://www.mozilla.org/security/advisories/mfsa2018-26/
https://usn.ubuntu.com/3801-1/
http://www.securityfocus.com/bid/105721
https://access.redhat.com/security/cve/CVE-2018-12399
http://www.securitytracker.com/id/1041944
https://bugzilla.mozilla.org/show_bug.cgi?id=1490276
https://www.mend.io/vulnerability-database/CVE-2018-12399

Severity Score

Weakness Type (CWE)

Authentication Issues

CWE-287

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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