Description
Kea configuration and API directives can be used to overwrite arbitrary files, subject to permissions granted to Kea. Many common configurations run Kea as root, leave the API entry points unsecured by default, and/or place the control sockets in insecure paths. This issue affects Kea versions 2.4.0 through 2.4.1, 2.6.0 through 2.6.2, and 2.7.0 through 2.7.8.
Problem types
CWE-73 External Control of File Name or Path
CWE-379 Creation of Temporary File in Directory with Insecure Permissions
Product status
2.4.0 (custom)
2.6.0 (custom)
2.7.0 (custom)
Credits
ISC would like to thank Matthias Gerstner from the SUSE security team for bringing this vulnerability to our attention.
References
kb.isc.org/docs/cve-2025-32802 (CVE-2025-32802)