FaceSentry Access Control System 6.4.8 Remote SSH Root Access Exploit
Title: FaceSentry Access Control System 6.4.8 Remote SSH Root Access Exploit
Advisory ID: ZSL-2019-5526
Type: Local/Remote
Impact: System Access
Risk: (5/5)
Release Date: 30.06.2019
Firmware 5.7.2 build 568 (Algorithm A14)
Firmware 5.7.0 build 539 (Algorithm A14)
Linux 3.4.113-sun8i (armv7l)
PHP/7.0.30-0ubuntu0.16.04.1
PHP/7.0.22-0ubuntu0.16.04.1
lighttpd/1.4.35
Armbian 5.38
Sunxi Linux (sun8i generation)
Orange Pi PC +
[29.05.2019] Vendor contacted.
[12.06.2019] No response from the vendor.
[13.06.2019] Vendor contacted.
[27.06.2019] No response from the vendor.
[28.06.2019] Vendor contacted.
[29.06.2019] No response from the vendor.
[30.06.2019] Public security advisory released.
[2] https://exchange.xforce.ibmcloud.com/vulnerabilities/163186
[3] https://packetstormsecurity.com/files/153493
[04.07.2019] - Added reference [1], [2] and [3]
Web: http://www.zeroscience.mk
e-mail: lab@zeroscience.mk
Advisory ID: ZSL-2019-5526
Type: Local/Remote
Impact: System Access
Risk: (5/5)
Release Date: 30.06.2019
Summary
FaceSentry 5AN is a revolutionary smart identity management appliance that offers entry via biometric face identification, contactless smart card, staff ID, or QR-code. The QR-code upgrade allows you to share an eKey with guests while you're away from your Office and monitor all activity via the web administration tool. Powered by standard PoE (Power over Ethernet), FaceSEntry 5AN can be installed in minutes with only 6 screws. FaceSentry 5AN is a true enterprise grade access control or time-and-attendance appliance.Description
FaceSentry facial biometric access control appliance ships with hard-coded and weak credentials for SSH access on port 23445 using the credentials wwwuser:123456. The root privilege escalation is done by abusing the insecure sudoers entry file.Vendor
iWT Ltd. - http://www.iwt.com.hkAffected Version
Firmware 6.4.8 build 264 (Algorithm A16)Firmware 5.7.2 build 568 (Algorithm A14)
Firmware 5.7.0 build 539 (Algorithm A14)
Tested On
Linux 4.14.18-sunxi (armv7l) Ubuntu 16.04.4 LTS (Xenial Xerus)Linux 3.4.113-sun8i (armv7l)
PHP/7.0.30-0ubuntu0.16.04.1
PHP/7.0.22-0ubuntu0.16.04.1
lighttpd/1.4.35
Armbian 5.38
Sunxi Linux (sun8i generation)
Orange Pi PC +
Vendor Status
[28.05.2019] Vulnerability discovered.[29.05.2019] Vendor contacted.
[12.06.2019] No response from the vendor.
[13.06.2019] Vendor contacted.
[27.06.2019] No response from the vendor.
[28.06.2019] Vendor contacted.
[29.06.2019] No response from the vendor.
[30.06.2019] Public security advisory released.
PoC
facesentry_ssh.pyCredits
Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>References
[1] https://www.exploit-db.com/exploits/47067[2] https://exchange.xforce.ibmcloud.com/vulnerabilities/163186
[3] https://packetstormsecurity.com/files/153493
Changelog
[30.06.2019] - Initial release[04.07.2019] - Added reference [1], [2] and [3]
Contact
Zero Science LabWeb: http://www.zeroscience.mk
e-mail: lab@zeroscience.mk
