Title: Teradek Slice 7.3.15 CSRF Change Password Exploit
Advisory ID: ZSL-2018-5467
Type: Local/Remote
Impact: Cross-Site Scripting
Risk: (3/5)
Release Date: 21.05.2018

Summary

Built on the award-winning Cube platform, Slice is a rack mount HEVC / H.264 codec designed to fit seamlessly into your broadcast studio. Like the Cube, Slice encoders and decoders includes 3G-SDI and HDMI I/O, Ethernet and WiFi connectivity, and full duplex IFB.

Description

The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site.

Vendor

Teradek, LLC - https://www.teradek.com

Affected Version

Firmware Version:7.3.15 (build 31735)
Hardware Version: 2.1

Tested On

lighttpd/1.4.48
lighttpd/1.4.31

Vendor Status

[02.03.2018] Vulnerability discovered.
[08.05.2018] Vendor contacted.
[08.05.2018] Vendor replied asking more details.
[08.05.2018] Sent details to the vendor.
[10.05.2018] Asked vendor for status update.
[13.05.2018] No response from the vendor.
[14.05.2018] Asked vendor for status update.
[20.05.2018] No response from the vendor.
[21.05.2018] Public security advisory released.

PoC

teradek_slice_csrf.html

Credits

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

References

[1] https://www.exploit-db.com/exploits/44676/
[2] https://exchange.xforce.ibmcloud.com/vulnerabilities/143726
[3] https://packetstormsecurity.com/files/147795
[4] https://cxsecurity.com/issue/WLB-2018050176

Changelog

[21.05.2018] - Initial release
[29.05.2018] - Added reference [1], [2], [3] and [4]

Contact

Zero Science Lab

Web: http://www.zeroscience.mk
e-mail: lab@zeroscience.mk