CVE-2018-4063

Description

An exploitable remote code execution vulnerability exists in the upload.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A specially crafted HTTP request can upload a file, resulting in executable code being uploaded, and routable, to the webserver. An attacker can make an authenticated HTTP request to trigger this vulnerability.

References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• https://nvd.nist.gov/vuln/detail/CVE-2018-4063
• https://www.cisa.gov/news-events/ics-advisories/icsa-19-122-03
• https://source.sierrawireless.com/resources/airlink/software_reference_docs/technical-bulletin/sierra-wireless-technical-bulletin---swi-psa-2019-003
• https://source.sierrawireless.com/resources/airlink/hardware_reference_docs/airlink_es450_eol
• https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-15849
• http://packetstormsecurity.com/files/152648/Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remote-Code-Execution.html
• https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
• http://www.securityfocus.com/bid/108147
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748