Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Troglobit | Uftpd | >= 2.7, <= 2.10 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.htmlExploitThird Party AdvisoryVDB Entry
- https://arinerron.com/blog/posts/6Third Party Advisory
- https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30PatchThird Party Advisory
- http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.htmlExploitThird Party AdvisoryVDB Entry
- https://arinerron.com/blog/posts/6Third Party Advisory
- https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30PatchThird Party Advisory
FAQ
What is CVE-2020-20277?
CVE-2020-20277 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2020-20277?
CVE-2020-20277 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-20277?
Check the references section above for vendor advisories and patch information. Affected products include: Troglobit Uftpd.