CVE-2020-11067— Deserialization of Untrusted Data in TYPO3 CMS
Quick assessment
Affected
TYPO3 TYPO3 CMS
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（Typo3）协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。 TYPO3 9.0.0版本至9.5.16版本和10.0.0版本至10.4.1版本中的Backend User Interface组件存在代码问题漏洞。远程攻击者可利用该漏洞（及其他漏洞）执行代码。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2020-11067
Vulnerability Information
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Vulnerability Title
Deserialization of Untrusted Data in TYPO3 CMS
Source: CVE Program / CVE List V5
Vulnerability Description
In TYPO3 CMS 9.0.0 through 9.5.16 and 10.0.0 through 10.4.1, it has been discovered that backend user settings (in $BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnerabilities of third party components, this can lead to remote code execution. A valid backend user account is needed to exploit this vulnerability. This has been fixed in 9.5.17 and 10.4.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
TYPO3 Backend User Interface组件代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3是瑞士TYPO3（Typo3）协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。 TYPO3 9.0.0版本至9.5.16版本和10.0.0版本至10.4.1版本中的Backend User Interface组件存在代码问题漏洞。远程攻击者可利用该漏洞（及其他漏洞）执行代码。
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
II. Public POCs for CVE-2020-11067
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Vendor Advisories for CVE-2020-11067 (1)
-
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2wj9-434x-9hvp x_refsource_CONFIRM
Same Patch Batch · TYPO3 · 2020-05-13 · 6 CVEs total
| CVE-2020-11066 | 8.7 HIGH | Improperly Controlled Modification of Dynamically-Determined Object Attributes in TYPO3 CM |
| CVE-2020-11069 | 8.0 HIGH | Cross-Site Request Forgery in TYPO3 CMS |
| CVE-2020-11065 | 5.4 MEDIUM | Cross-Site Scripting in TYPO3 CMS |
| CVE-2020-11064 | 5.4 MEDIUM | Cross-Site Scripting in TYPO3 CMS |
| CVE-2020-11063 | 3.7 LOW | Observable Response Discrepancy in TYPO3 CMS |
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V. Comments for CVE-2020-11067
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