CVE-2020-8866
Quick assessment
Affected
Horde Groupware Webmail Edition
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Horde Groupware Webmail是美国Horde公司的一套基于浏览器的企业级通信套件。 Horde Groupware Webmail Edition 5.2.22版本中的add.php脚本存在代码问题漏洞，该漏洞源于程序没有正确验证用户提交的输入。攻击者可利用该漏洞上传任意文件。
Public Exploits 2
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I. Basic Information for CVE-2020-8866
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows remote attackers to create arbitrary files on affected installations of Horde Groupware Webmail Edition 5.2.22. Authentication is required to exploit this vulnerability. The specific flaw exists within add.php. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the www-data user. Was ZDI-CAN-10125.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Horde Groupware Webmail 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Horde Groupware Webmail是美国Horde公司的一套基于浏览器的企业级通信套件。 Horde Groupware Webmail Edition 5.2.22版本中的add.php脚本存在代码问题漏洞，该漏洞源于程序没有正确验证用户提交的输入。攻击者可利用该漏洞上传任意文件。
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 |
|---|---|---|---|---|
| Horde | Groupware Webmail Edition | 5.2.22 | - |
|
II. Public POCs for CVE-2020-8866
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-8866 (1)
-
https://www.zerodayinitiative.com/advisories/ZDI-20-275/ x_refsource_MISC
Mailing List Discussions for CVE-2020-8866 (2)
-
https://lists.horde.org/archives/announce/2020/001288.html x_refsource_MISC
-
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V. Comments for CVE-2020-8866
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