WS-2017-0107
Published:May 14, 2026
Updated:May 14, 2026
websockets uses Math.random function to generate masking key. This function is not random enough allowing an attacker to easily guess the key. Having the key an attacker can read the payload causing potential information disclosure.
Affected Packages
ws (NPM):
Affected version(s) >=0.2.6 <1.1.2Fix Suggestion:
Update to version 1.1.2karmanodemodules (NUGET):
Affected version(s) >=1.0.0 <=1.0.1Fix Suggestion:
Update to version no_fixmidiator.webclient (NUGET):
Affected version(s) >=1.0.98 <1.0.105Fix Suggestion:
Update to version 1.0.105zombie.js (NUGET):
Affected version(s) >=4.2.1 <=5.0.5Fix Suggestion:
Update to version no_fixmriso_dev/nodejschat (PHP):
Affected version(s) =dev-masterFix Suggestion:
Update to version no_fixmpcmf/mpcmf-web-app (PHP):
Affected version(s) =dev-php7Fix Suggestion:
Update to version no_fixmpcmf/mpcmf-web-app (PHP):
Affected version(s) =dev-master <1.0.0.x-devFix Suggestion:
Update to version 1.0.0.x-devristorantino/aditions (PHP):
Affected version(s) =dev-master <dev-master-ko-js-updateFix Suggestion:
Update to version dev-master-ko-js-updateRelated Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.3
Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.4
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE