Sierra Wireless AirLink ALEOS

What it is

Sierra Wireless AirLink ALEOS contains an unrestricted upload of file with dangerous type vulnerability. 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. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

What to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor notices and references

• www.cisa.gov/news-events/ics-advisories/icsa-19-122-03
• source.sierrawireless.com/resources/airlink/software_reference_docs/technical-bulletin/sie
• source.sierrawireless.com/resources/airlink/hardware_reference_docs/airlink_es450_eol
• nvd.nist.gov/vuln/detail/CVE-2018-4063

Description and required action as published by CISA. Full record at NVD.