Published: 11/06/2018 Updated: 30/07/2018

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 505

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

If a long user name is used in a username/password combination in a site URL (such as " UserName:Password@example.com"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55.

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mozilla firefox

USN-3391-1 introduced a regression in Firefox ...

This update provides compatible packages for Firefox 55 ...

Firefox could be made to crash or run programs as your login if it opened a malicious website ...

Mozilla Foundation Security Advisory 2017-18 Security vulnerabilities fixed in Firefox 55 Announced August 8, 2017 Impact critical Products Firefox Fixed in Firefox 55 ...

A denial of service has been found in Firefox < 550 If a long user name is used in a username/password combination in a site URL (such as UserName:Password@examplecom), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service ...

# Exploit Title: Mozilla Firefox < 55 - Forcibly make someone view a web content # Category: Denial of Service # Date: 5/11/17 # CVE : CVE-2017-7783 # Affected Version: < Mozilla Firefox 55 # Tested on: Windows/Linux # Software Link: wwwmozillaorg/en-US/firefox/520/releasenotes/ # Exploit Author: Amit Sangra # Website: Cyber ...

Mozilla Firefox versions prior to 55 suffer from a long username denial of service vulnerability ...

CWE-20 https://www.mozilla.org/security/advisories/mfsa2017-18/https://bugzilla.mozilla.org/show_bug.cgi?id=1360842 https://www.exploit-db.com/exploits/43020/http://www.securitytracker.com/id/1039124 http://www.securityfocus.com/bid/100401 https://nvd.nist.gov https://usn.ubuntu.com/3391-3/https://www.exploit-db.com/exploits/43020/

CVE-2017-7783

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