Description
Dormakaba provides the software FWServiceTool to update the firmware version of the Access Managers via the network. The firmware in some instances is provided in an encrypted ZIP file. Within this tool, the password used to decrypt the ZIP and extract the firmware is set statically and can be extracted. This password was valid for multiple observed firmware versions.
Problem types
CWE-798: Use of Hard-coded Credentials
Product status
All versions
Credits
Clemens Stockenreitner, SEC Consult Vulnerability Lab
Werner Schober, SEC Consult Vulnerability Lab
References
r.sec-consult.com/dormakaba
r.sec-consult.com/dkaccess
www.dormakabagroup.com/en/security-advisories