CVE-2018-12399

MEDIUM

Description

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.

References

http://www.securityfocus.com/bid/105721

http://www.securitytracker.com/id/1041944

https://bugzilla.mozilla.org/show_bug.cgi?id=1490276

https://usn.ubuntu.com/3801-1/

https://www.mozilla.org/security/advisories/mfsa2018-26/

Details

Source: MITRE

Published: 2019-02-28

Updated: 2019-03-01

Type: CWE-287

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 4.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Impact Score: 1.4

Exploitability Score: 2.8

Severity: MEDIUM