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CVE-2017-5420

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Date: June 11, 2018

A "javascript:" url loaded by a malicious page can obfuscate its location by blanking the URL displayed in the addressbar, allowing for an attacker to spoof an existing page without the malicious page's address being displayed correctly. This vulnerability affects Firefox < 52.

Language: Unix

Severity Score

Related Resources (7)

https://www.mozilla.org/security/advisories/mfsa2017-05/
http://www.securitytracker.com/id/1037966
https://bugzilla.mozilla.org/show_bug.cgi?id=1284395
http://www.securityfocus.com/bid/96692
https://nvd.nist.gov/vuln/detail/CVE-2017-5420
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-5420
https://www.mend.io/vulnerability-database/CVE-2017-5420

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version firefox - 52.0-1

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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): HIGH
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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