Cryptographic Issues Affecting typo3/cms package, versions >=9.0.0, <9.5.20 >=10.0.0, <10.4.6


0.0
high

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.32% (70th percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-PHP-TYPO3CMS-596486
  • published 30 Jul 2020
  • disclosed 30 Jul 2020
  • credit Unknown

How to fix?

Upgrade typo3/cms to version 9.5.20, 10.4.6 or higher.

Overview

typo3/cms is a free open source Content Management Framework.

Affected versions of this package are vulnerable to Cryptographic Issues. It has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic message authentication code (HMAC-SHA1) and can lead to various attack chains including potential privilege escalation, insecure deserialization & remote code execution.