Pi-hole's Web interface provides a central location to manage a Pi-hole instance and review performance statistics. Prior to Pi-hole Web interface version 5.5.1, the `validDomainWildcard` preg_match filter allows a malicious character through that can be used to execute code, list directories, and overwrite sensitive files. The issue lies in the fact that one of the periods is not escaped, allowing any character to be used in its place. A patch for this vulnerability was released in version 5.5.1.
References
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: GitHub_M

Published: 2021-08-04T17:50:09

Updated: 2021-08-04T17:50:09

Reserved: 2021-05-12T00:00:00


Link: CVE-2021-32706

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-08-04T18:15:09.447

Modified: 2022-04-25T19:55:34.857


Link: CVE-2021-32706

JSON object: View

cve-icon Redhat Information

No data.