Rhino Security Labs

Technical Blog

CVE-2022-25237: Bonitasoft Authorization Bypass and RCE

David Yesland
May 24, 2022

Bonita Web 2021.2 is affected by an authentication/authorization bypass vulnerability due to an overly broad filter pattern used in the API authorization filters.
By appending a crafted string to the API URL, users with no privileges can…

CloudGoat goes Serverless:
A walkthrough of Vulnerable Lambda Functions

Privilege Escalation to SYSTEM in AWS VPN Client

Local Privilege Escalation in Pritunl VPN Client

David Yesland
April 5, 2022

The Pritunl VPN Client service is vulnerable to an arbitrary file write as SYSTEM on Windows. This is due to insecure directory permissions on the Pritunl ProgramData folder. The arbitrary file write is then able to be leveraged for full…