NI FlexLogger SkylineService Missing Authorization Local Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on affected installations of NI FlexLogger. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the SkylineService component. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Additional Details
NI has issued an update to correct this vulnerability. More details can be found at:
https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/incorrect-permissions-for-shared-systemlink-elixir-based-service.html
Disclosure Timeline
- 2023-10-17 - Vulnerability reported to vendor
- 2024-02-28 - Coordinated public release of advisory
- 2024-07-01 - Advisory Updated
Credit
06fe5fd2bc53027c4a3b7e395af0b850e7b8a044
