CVE-2019-3929 Crestron Multiple Products Command Injection
Remote unauthenticated attackers can execute arbitrary OS commands as root via the file_transfer.cgi endpoint on various wireless presentation devices.
- Exploited in the wild
- Since 15 Apr 2022
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-3929?
CVE-2019-3929 is a critical command injection vulnerability in Crestron AirMedia, Barco WePresent, Extron ShareLink, Teq AV IT WIPS710, SHARP PN-L703WA, Optoma WPS-Pro, Blackbox HD WPS, InFocus LiteShow3, and InFocus LiteShow4., published on 30 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Crestron AM-100 firmware 1.6.0.2, Crestron AM-101 firmware 2.7.0.1, Barco wePresent WiPG-1000P firmware 2.3.0.10, Barco wePresent WiPG-1600W before firmware 2.4.1.19, Extron ShareLink 200/250 firmware 2.0.3.4, Teq AV IT WIPS710 firmware 1.1.0.7, SHARP PN-L703WA firmware 1.4.2.3, Optoma WPS-Pro firmware 1.0.0.5, Blackbox HD WPS firmware 1.0.0.5, InFocus LiteShow3 firmware 1.0.16, and InFocus LiteShow4 2.0.0.7 are vulnerable to command injection via the file_transfer.cgi HTTP endpoint. A remote, unauthenticated attacker can use this vulnerability to execute operating system commands as root.
Which versions are affected by CVE-2019-3929?
It affects 12 products.
Products include Barco Wepresent Wipg-1000p Firmware, Barco Wepresent Wipg-1600w Firmware, Blackbox Hd Wireless Presentation System Firmware, Crestron Am-100 Firmware, Crestron Am-101 Firmware, Extron Sharelink 200 Firmware and 6 more.
How do I fix CVE-2019-3929?
No fix has been published for CVE-2019-3929 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 6 May 2022.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-3929 being exploited?
Yes. Attackers have exploited CVE-2019-3929 in the wild since at least 15 Apr 2022.
Public exploit code: 1 Metasploit module, 2 Exploit-DB entries, 1 Nuclei template and 1 proofs of concept on GitHub.
Other vulnerabilities in Crestron AirMedia, Barco WePresent, Extron ShareLink, Teq AV IT WIPS710, SHARP PN-L703WA, Optoma WPS-Pro, Blackbox HD WPS, InFocus LiteShow3, and InFocus LiteShow4.
Sources
Also known as GHSA-m297-v8rg-x5fh.