SB2018092701 - Remote denial of service in Apache HTTP Server
Published: September 27, 2018
Security Bulletin ID
SB2018092701
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) Resource management error (CVE-ID: CVE-2018-11763)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect handling of large SETTINGS frames in HTTP/2 connections. A remote attacker can repeatedly send large SETTINGS frames within an established HTTP/2 connection and consume all available threads and CPU time.
Successful exploitation of the vulnerability may allow an attacker to perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.