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.

Weakness classification

• nvd@nist.gov: CWE-22

Primary references

• cve@mitre.org — Exploit, Third Party Advisory, VDB Entry
• cve@mitre.org — Third Party Advisory
• cve@mitre.org — Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory