SB2021021114 - Buffer overflow in big3d agent in F5 BIG-IP DNS
Published: February 11, 2021
Security Bulletin ID
SB2021021114
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-22982)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in big3d. A remote user can send specially crafted data to the big3d agent, trigger a buffer overflow and crash the agent.
Remediation
Install update from vendor's website.