Synology DiskStation Manager webapi CRLF Injection Information Disclosure Vulnerability
May 25th, 2021
Vulnerability Details
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Synology DS418play. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the webapi component. The issue results from incorrect neutralization of CRLF sequences in HTTP requests. An attacker can leverage this vulnerability to disclose information in the context of the Admin user.
Additional Details
Synology has issued an update to correct this vulnerability. More details can be found at:
https://www.synology.com/en-uk/security/advisory/Synology_SA_20_26
Disclosure Timeline
- 2021-01-19 - Vulnerability reported to vendor
- 2021-05-25 - Coordinated public release of advisory
Credit
Justin Taft (@oneupsecurity)
