TYPO3 up to 8.7.29/9.5.11/10.2.1 Deserialization QueryGenerator/QueryView privileges management

Summaryinfo

A vulnerability was found in TYPO3 up to 8.7.29/9.5.11/10.2.1. It has been declared as critical. Impacted is the function QueryGenerator/QueryView of the component Deserialization. Executing a manipulation can lead to privileges management. This vulnerability appears as CVE-2019-19849. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in TYPO3 up to 8.7.29/9.5.11/10.2.1 (Content Management System). It has been declared as critical. This vulnerability affects the function QueryGenerator/QueryView of the component Deserialization. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2. It has been discovered that the classes QueryGenerator and QueryView are vulnerable to insecure deserialization. One exploitable scenario requires having the system extension ext:lowlevel (Backend Module: DB Check) installed, with a valid backend user who has administrator privileges. The other exploitable scenario requires having the system extension ext:sys_action installed, with a valid backend user who has limited privileges.

The weakness was presented 12/17/2019. This vulnerability was named CVE-2019-19849 since 12/17/2019. The attack can be initiated remotely. Required for exploitation is a single authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 8.7.30, 9.5.12 or 10.2.2 eliminates this vulnerability.

See VDB-147329 and VDB-147327 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Content Management System

Name

• TYPO3

Version

• 8.7.0
• 8.7.1
• 8.7.2
• 8.7.3
• 8.7.4
• 8.7.5
• 8.7.6
• 8.7.7
• 8.7.8
• 8.7.9
• 8.7.10
• 8.7.11
• 8.7.12
• 8.7.13
• 8.7.14
• 8.7.15
• 8.7.16
• 8.7.17
• 8.7.18
• 8.7.19
• 8.7.20
• 8.7.21
• 8.7.22
• 8.7.23
• 8.7.24
• 8.7.25
• 8.7.26
• 8.7.27
• 8.7.28
• 8.7.29
• 9.5.0
• 9.5.1
• 9.5.2
• 9.5.3
• 9.5.4
• 9.5.5
• 9.5.6
• 9.5.7
• 9.5.8
• 9.5.9
• 9.5.10
• 9.5.11
• 10.2.0
• 10.2.1

License

• open-source

Website

• Product: https://typo3.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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