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CVE-2018-5113

Date: June 11, 2018

The "browser.identity.launchWebAuthFlow" function of WebExtensions is only allowed to load content over "https:" but this requirement was not properly enforced. This can potentially allow privileged pages to be loaded by the extension. This vulnerability affects Firefox < 58.

Severity Score

Related Resources (8)

https://www.mozilla.org/security/advisories/mfsa2018-02/
https://usn.ubuntu.com/3544-1/
http://www.securityfocus.com/bid/102786
https://bugzilla.mozilla.org/show_bug.cgi?id=1425267
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-5113
https://nvd.nist.gov/vuln/detail/CVE-2018-5113
http://www.securitytracker.com/id/1040270
https://www.mend.io/vulnerability-database/CVE-2018-5113

Severity Score

Weakness Type (CWE)

Missing Authorization

CWE-862

CVSS v3

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

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH
Additional information:

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