CVEs-PoC/2020/CVE-2020-20277.md

CVE-2020-20277

Description

There are multiple unauthenticated directory traversal vulnerabilities in different FTP commands in uftpd FTP server versions 2.7 to 2.10 due to improper implementation of a chroot jail in common.c's compose_abspath function that can be abused to read or write to arbitrary files on the filesystem, leak process memory, or potentially lead to remote code execution.

POC

Reference

• http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.html
• https://arinerron.com/blog/posts/6

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/Live-Hack-CVE/CVE-2020-20277