SB2020061013 - Privilege escalation in FreeBSD
Published: June 10, 2020
Security Bulletin ID
SB2020061013
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2020-7456)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper management of internal resources. The the push/pop level is not restored within the processing of the same HID item, an invalid memory location may be used for subsequent HID item processing. An attacker with physical access to a USB port may be able to use a specially crafted USB device to gain kernel or user-space code execution.
Remediation
Install update from vendor's website.