CVE-2020-8866

Summary

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.

Affected Software

VendorProductVersion RangeStatus
HordeGroupware Webmail Edition5.2.22affected

Weaknesses

  • CWE-434: CWE-434: Unrestricted Upload of File with Dangerous Type

ADP Enrichment

CVE Program Container

Additional References

References