CVEs-PoC/2020/CVE-2020-11993.md

CVE-2020-11993

Description

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above "info" will mitigate this vulnerability for unpatched servers.

POC

Reference

• http://packetstormsecurity.com/files/160393/Apache-2-HTTP2-Module-Concurrent-Pool-Usage.html
• https://www.oracle.com/security-alerts/cpujan2021.html
• https://www.oracle.com/security-alerts/cpuoct2020.html

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/Dheia/sc-main
• https://github.com/Solhack/Team_CSI_platform
• https://github.com/Totes5706/TotesHTB
• https://github.com/austin-lai/External-Penetration-Testing-Holo-Corporate-Network-TryHackMe-Holo-Network
• https://github.com/rmtec/modeswitcher
• https://github.com/vshaliii/Funbox2-rookie
• https://github.com/vshaliii/Vegeta1-Vulhub-Walkthrough