Critical RCE Bugs Found in Pascom Cloud Phone System Used by Businesses
Mar 09, 2022
Researchers have disclosed three security vulnerabilities affecting Pascom Cloud Phone System ( CPS ) that could be combined to achieve a full pre-authenticated remote code execution of affected systems. Kerbit security researcher Daniel Eshetu said the shortcomings, when chained together, can lead to "an unauthenticated attacker gaining root on these devices." Pascom Cloud Phone System is an integrated collaboration and communication solution that allows businesses to host and set up private telephone networks across different platforms as well as facilitate the monitoring, maintenance, and updates associated with the virtual phone systems. The set of three flaws includes those stemming from an arbitrary path traversal in the web interface, a server-side request forgery ( SSRF ) due to an outdated third-party dependency ( CVE-2019-18394 ), and a post-authentication command injection using a daemon service ("exd.pl"). In other words, the vulnerabilities can...
