Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).
CVE-2017-7783 — Improper Input Validation in Mozilla Firefox
Severity
7.5HIGHNVD
OSV9.1
EPSS
6.9%
top 8.58%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
Timeline
PublishedJun 11
Latest updateMay 14
Description
If a long user name is used in a username/password combination in a site URL (such as " http://UserName:[email protected]"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages4 packages
Patches
🔴Vulnerability Details
5GHSA▶
GHSA-ch5f-5368-9hw8: If a long user name is used in a username/password combination in a site URL (such as " http://UserName:Password@example↗2022-05-14
OSV▶
CVE-2017-7783: If a long user name is used in a username/password combination in a site URL (such as " http://UserName:Password@example↗2017-08-10
💥Exploits & PoCs
1📋Vendor Advisories
5Debian▶
CVE-2017-7783: firefox - If a long user name is used in a username/password combination in a site URL (su...↗2017