CVE-2020-20277

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• uftpd 2.10 - Directory Traversal (Authenticated)2022-08-02 · remote · linux

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.html
• https://arinerron.com/blog/posts/6
• https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe
• http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.html
• https://arinerron.com/blog/posts/6
• https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe