ZDI-20-276: Horde Groupware Webmail Edition edit Page Directory Traversal Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute local PHP files on affected installations of Horde Groupware Webmail Edition. Authentication is required to exploit this vulnerability. The specific flaw exists within edit.php. When parsing the params[template] parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the www-data user.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Horde Groupware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-20-276?
The severity of ZDI-20-276 is considered high due to its potential for remote code execution.
How do I fix ZDI-20-276?
To fix ZDI-20-276, ensure you apply the latest security patch provided by Horde for Groupware Webmail Edition.
What type of attack does ZDI-20-276 facilitate?
ZDI-20-276 facilitates remote code execution attacks on affected installations.
Is authentication required to exploit ZDI-20-276?
Yes, authentication is required to exploit the ZDI-20-276 vulnerability.
What component of Horde Groupware Webmail Edition is affected by ZDI-20-276?
The vulnerability exists specifically within the edit.php component of Horde Groupware Webmail Edition.
- agent/references
- agent/type
- agent/softwarecombine
- agent/severity
- agent/title
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-20-276
- alias/ZDI-CAN-10469
- alias/CVE-2020-8865
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/horde
- canonical/horde groupware