WS-2020-0447
June 11, 2020
In Safari’s WebKit, versions Safari-536.11 through Safari-610.1.16.3 are vulnerable to an infinite loop, due to an unreachable exit condition in JSCallbackObject::deleteProperty when propertyName is an index. This causes the app to consume excessive resources and eventually cause DoS.
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Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
