HTTP/2 WebSocket Protocol Vulnerability Could Lead to Server Crash and Degraded Performance
CVE-2024-36387

5.4MEDIUM

Key Information:

Vendor

Apache
Status
Apache Http Server
Vendor
CVE Published:
1 July 2024

What is CVE-2024-36387?

A vulnerability has been identified in the Apache HTTP Server that arises when handling WebSocket protocol upgrades over an HTTP/2 connection. This flaw can trigger a Null Pointer dereference, potentially causing the server process to crash. Such a failure can lead to significant performance degradation, affecting the availability and reliability of the web services hosted on affected servers. Users and administrators are advised to apply available updates and follow best practices for configuration to mitigate potential impacts.

Affected Version(s)

Apache HTTP Server 2.4.55 <= 2.4.59

References

https://httpd.apache.org/security/vulnerabilities_24.html
vendor-advisory
https://security.netapp.com/advisory/ntap-20240712-0001/

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Marc Stern (<marc.stern@approach-cyber.com>)
.