CVE-2021-42855: Local privilege escalation due to misconfigured write permission on .debug_command.config file
It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent (DSA) uses the ".debugcommand.config" file to store a json string that contains a list of IDs and pre-configured commands. The config file is subsequently used by the "/api/appInternals/1.0/agent/configuration" API to map the corresponding ID to a command to be executed.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-42855?
CVE-2021-42855 is a vulnerability in the SteelCentral AppInternals Dynamic Sampling Agent (DSA) that allows local privilege escalation due to misconfigured write permission on the ".debug_command.config" file.
How does CVE-2021-42855 affect Riverbed Steelcentral Appinternals Dynamic Sampling Agent?
CVE-2021-42855 affects Riverbed Steelcentral Appinternals Dynamic Sampling Agent versions 10.0.0, 11.0.0 to 11.8.8, and 12.0.0 to 12.13.0.
What is the severity of CVE-2021-42855?
CVE-2021-42855 has a severity score of 7.8 (high).
How can I fix CVE-2021-42855?
To fix CVE-2021-42855, ensure that the ".debug_command.config" file has the correct write permissions and is properly configured.
Where can I find more information about CVE-2021-42855?
You can find more information about CVE-2021-42855 at the following link: [https://aternity.force.com/customersuccess/s/article/Local-privilege-escalation-due-to-misconfigured-write-permission-on-debug-command-config-file-CVE-2021-42855](https://aternity.force.com/customersuccess/s/article/Local-privilege-escalation-due-to-misconfigured-write-permission-on-debug-command-config-file-CVE-2021-42855)