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Synology DiskStation Manager (DSM) < 6.1.3-15152 - 'forget_passwd.cgi' User Enumeration
| Reporter | Title | Published | Views | Family All 17 |
|---|---|---|---|---|
 | Synology DiskStation Manager (DSM) < 6.1.3-15152 - forget_passwd.cgi User Enumeration | 8 Jan 201800:00 | – | zdt |
 | CVE-2017-9554 | 24 Jul 201700:00 | – | attackerkb |
 | CVE-2017-9554 | 21 May 202021:48 | – | circl |
 | Synology DiskStation Manager (DSM) Information Disclosure Vulnerability | 25 Jul 201700:00 | – | cnvd |
 | CVE-2017-9554 | 24 Jul 201720:00 | – | cve |
 | CVE-2017-9554 | 24 Jul 201720:00 | – | cvelist |
 | Synology DiskStation Manager (DSM) 6.1.3-15152 - forget_passwd.cgi User Enumeration | 8 Jan 201800:00 | – | exploitpack |
 | Synology Forget Password User Enumeration Scanner | 21 May 202012:10 | – | metasploit |
 | CVE-2017-9554 | 24 Jul 201720:29 | – | nvd |
 | Synology DiskStation Manager (DSM) Multiple Vulnerabilities (Synology-SA-17:29) - Active Check | 31 Jul 201800:00 | – | openvas |
10
# Exploit Title: Synology DiskStation Manager (DSM) < 6.1.3-15152 - 'forget_passwd.cgi' User Enumeration
# Date: 01/05/2018
# Exploit Author: Steve Kaun
# Vendor Homepage: https://www.synology.com
# Version: Before 6.1.3-15152
# CVE : CVE-2017-9554
Previously this was identified by the developer and the disclosure states "via unspecified vectors" it is possible to enumerate usernames via forget_passwd.cgi
Haven't identified any other disclosures that actually identified the attack vector, figure it would be helpful to another.
"An information exposure vulnerability in forget_passwd.cgi in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to enumerate valid usernames via unspecified vectors."
Well then... Here you go, cracked the code and figured it out.
https://IP_Address:5001/webman/forget_passwd.cgi?user=XXX
Where XXX should be your injection point for username lists.
Several usernames I've found are admin, administrator, root, nobody, ftp, and more. I'm unsure of whether Synology is pulling these entries from it's passwd file or not, but there you go.Data
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08 Jan 2018 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 25
CVSS 35.3
EPSS0.57867