SB2021030433 - Trickboot vulnerability in Pulse Secure appliances
Published: March 4, 2021
Security Bulletin ID
SB2021030433
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: N/A)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in BIOS firmware for X10 UP-series (H3 Single Socket “Denlow”) motherboard. A local user can plant malware into motherboard firmware and establish permanent persistence on the system, even if OS is reinstalled.
Note, the vulnerability is being actively exploited in the wild by the TrickBoot malware.
Remediation
Install update from vendor's website.