5.3
CVSSv3

CVE-2017-5415

Published: 11/06/2018 Updated: 07/08/2018
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 5.3 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 505
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Vulnerability Summary

An attack can use a blob URL and script to spoof an arbitrary addressbar URL prefaced by "blob:" as the protocol, leading to user confusion and further spoofing attacks. This vulnerability affects Firefox < 52.

Vulnerability Trend

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mozilla firefox

Vendor Advisories

USN-3216-1 introduced a regression in Firefox ...
Firefox could be made to crash or run programs as your login if it opened a malicious website ...
Mozilla Foundation Security Advisory 2017-05 Security vulnerabilities fixed in Firefox 52 Announced March 7, 2017 Impact critical Products Firefox Fixed in Firefox 52 ...
An attack can use a blob URL and script to spoof an arbitrary address bar URL prefaced by blob: as the protocol, leading to user confusion and further spoofing attacks ...

Exploits

&lt;script&gt; location=URLcreateObjectURL(new Blob(['&lt;b&gt;Not Google&lt;/b&gt;&lt;script&gt;if(locationhrefindexOf("google")==-1){locationpathname="wwwgooglecom/"}else{documenttitle="Google Search"}&lt;\/script&gt;'], {type: 'text/html'})) &lt;/script&gt; ...