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WS-2018-0154

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Date: July 12, 2018

It has been discovered that TYPO3's Salted Password system extension (which is a mandatory system component) is vulnerable to Authentication Bypass when using hashing methods which are related by PHP class inheritance. In standard TYPO3 core distributions stored passwords using the blowfish hashing algorithm can be overridden when using MD5 as the default hashing algorithm by just knowing a valid username. Per default the Portable PHP hashing algorithm (PHPass) is used which is not vulnerable.Affected Versions: 7.0.0 to 7.6.29

Language: PHP

Severity Score

Severity Score

Weakness Type (CWE)

Authentication Bypass Using an Alternate Path or Channel

CWE-288

Top Fix

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Upgrade to version TYPO3_7-6-30,TYPO3_8-7-17,v9.3.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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