SOYAL Biometric Access Control System 5.0 Weak Default Credentials

2021-03-18T00:00:00
ID ZSL-2021-5631
Type zeroscience
Reporter Gjoko Krstic
Modified 2021-03-18T00:00:00

Description

Title: SOYAL Biometric Access Control System 5.0 Weak Default Credentials
Advisory ID: ZSL-2021-5631
Type: Local/Remote
Impact: System Access
Risk: (4/5)
Release Date: 18.03.2021

Summary

Soyal Access systems are built into Raytel Door Entry Systems and are providing access and lift control to many buildings from public and private apartment blocks to prestigious public buildings.

Description

The web control panel uses weak set of default administrative credentials (no password) that can be easily guessed in remote password attacks.

Vendor

SOYAL Technology Co., Ltd - <https://www.soyal.com>

Affected Version

AR-727 i/CM - F/W: 5.0
AR837E/EF - F/W: 4.3
AR725Ev2 - F/W: 4.3 191231
AR331/725E - F/W: 4.2
AR837E/EF - F/W: 4.1
AR-727CM /i - F/W: 4.09
AR-727CM /i - F/W: 4.06
AR-837E - F/W: 3.03

Tested On

SOYAL Technology WebServer 2.0
SOYAL Serial Device Server 4.03A
SOYAL Serial Device Server 4.01n
SOYAL Serial Device Server 3.07n

Vendor Status

[25.01.2021] Vulnerability discovered.
[03.02.2021] Vendor contacted.
[08.02.2021] No response from the vendor.
[09.02.2021] Distributor responds and informs vendor.
[09.02.2021] Sent details to distributor.
[10.02.2021] Asked distributor for status update.
[11.02.2021] Vendor will patch the issue.
[18.03.2021] Public security advisory released.

PoC

soyal_creds.txt

Credits

Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>

References

[1] <https://exchange.xforce.ibmcloud.com/vulnerabilities/198553>
[2] <https://packetstormsecurity.com/files/161875/>
[3] <https://cxsecurity.com/issue/WLB-2021030119>
[4] <https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28266>
[5] <https://nvd.nist.gov/vuln/detail/CVE-2021-28266>

Changelog

[18.03.2021] - Initial release
[23.03.2021] - Added reference [1], [2] and [3]
[19.06.2021] - Added reference [4] and [5]

Contact

Zero Science Lab

Web: <https://www.zeroscience.mk>
e-mail: lab@zeroscience.mk

                                        
                                            
SOYAL Biometric Access Control System 5.0 Weak Default Credentials


Vendor: SOYAL Technology Co., Ltd
Product web page: https://www.soyal.com.tw | https://www.soyal.com
Affected version: AR-727 i/CM - F/W: 5.0 
                  AR837E/EF   - F/W: 4.3
                  AR725Ev2    - F/W: 4.3 191231
                  AR331/725E  - F/W: 4.2
                  AR837E/EF   - F/W: 4.1
                  AR-727CM /i - F/W: 4.09
                  AR-727CM /i - F/W: 4.06
                  AR-837E     - F/W: 3.03

Summary: Soyal Access systems are built into Raytel Door Entry Systems
and are providing access and lift control to many buildings from public
and private apartment blocks to prestigious public buildings.

Desc: The web control panel uses weak set of default administrative
credentials (no password) that can be easily guessed in remote password
attacks.

Tested on: SOYAL Technology WebServer 2.0
           SOYAL Serial Device Server 4.03A 
           SOYAL Serial Device Server 4.01n
           SOYAL Serial Device Server 3.07n


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2021-5631
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5631.php


25.01.2021

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User: admin
Pass: