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CVE-2024-25121— Improper Access Control Persisting File Abstraction Layer Entities via Data Handler in TYPO3

Quick assessment

Affected
TYPO3 typo3
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TYPO3是瑞士TYPO3协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。 TYPO3 8.0.0-8.7.56、9.0.0-9.5.45、10.0.0-10.4.42、11.0.0-11.5.34、12.0.0-12.4.10、13.0.0版本存在访问控制错误漏洞，该漏洞源于DataHandler持久化文件抽象层实体的访问控制不正确，允许攻击者直接引用后备存储中的文件并检索其文件名和内容。

CVSS 7.1 · High EPSS 0.50% · P41
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I. Basic Information for CVE-2024-25121

Vulnerability Information
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Vulnerability Title
Improper Access Control Persisting File Abstraction Layer Entities via Data Handler in TYPO3
Source: CVE Program / CVE List V5
Vulnerability Description
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions of TYPO3 entities of the File Abstraction Layer (FAL) could be persisted directly via `DataHandler`. This allowed attackers to reference files in the fallback storage directly and retrieve their file names and contents. The fallback storage ("zero-storage") is used as a backward compatibility layer for files located outside properly configured file storages and within the public web root directory. Exploiting this vulnerability requires a valid backend user account. Users are advised to update to TYPO3 version 8.7.57 ELTS, 9.5.46 ELTS, 10.4.43 ELTS, 11.5.35 LTS, 12.4.11 LTS, or 13.0.1 which fix the problem described. When persisting entities of the File Abstraction Layer directly via DataHandler, `sys_file` entities are now denied by default, and `sys_file_reference` & `sys_file_metadata` entities are not permitted to reference files in the fallback storage anymore. When importing data from secure origins, this must be explicitly enabled in the corresponding DataHandler instance by using `$dataHandler->isImporting = true;`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
TYPO3 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3是瑞士TYPO3协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。 TYPO3 8.0.0-8.7.56、9.0.0-9.5.45、10.0.0-10.4.42、11.0.0-11.5.34、12.0.0-12.4.10、13.0.0版本存在访问控制错误漏洞，该漏洞源于DataHandler持久化文件抽象层实体的访问控制不正确，允许攻击者直接引用后备存储中的文件并检索其文件名和内容。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TYPO3 typo3 >= 13.0.0, < 13.0.1 -

II. Public POCs for CVE-2024-25121

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III. Intelligence Information for CVE-2024-25121

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Vendor Advisories for CVE-2024-25121 (1)

Other References for CVE-2024-25121 (1)

Same Patch Batch · TYPO3 · 2024-02-13 · 4 CVEs total

CVE-2024-25119 4.9 MEDIUM Information Disclosure of Encryption Key in TYPO3 Install Tool
CVE-2024-25118 4.3 MEDIUM Information Disclosure of Hashed Passwords in TYPO3 Backend Forms
CVE-2024-25120 4.3 MEDIUM Improper Access Control of Resources Referenced by t3:// URI Scheme in TYPO3

IV. Related Vulnerabilities

Same product: typo3
Same vendor: TYPO3
Same weakness: CWE-200

V. Comments for CVE-2024-25121

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