SB2019082005 - HTTP/2 Settings Flood vulnerability in F5 Networks BIG-IP (LTM)
Published: August 20, 2019
Security Bulletin ID
SB2019082005
Severity
Medium
Patch available
NO
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) Resource management error (CVE-ID: CVE-2019-9515)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error in HTTP/2 implementation when processing SETTINGS frames. A remote attacker can send a huge amount of SETTINGS frames to the peer and consume excessive CPU and memory on the system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.