SB2021101915 - Remote code execution in Juniper Networks Junos OS and Junos OS Evolved
Published: October 19, 2021
Security Bulletin ID
SB2021101915
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2021-31354)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in the handling of responses by a Juniper Agile License (JAL) Client. A remote attacker on the local network can trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.