PT-2020-15251 · Uftpd · Wftpd Ftp Server

Aaron Esau · Published 2020-12-18 · Updated 2020-12-22 · CVE-2020-20276

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions uftpd FTP server versions 2.10 and earlier

Description An unauthenticated stack-based buffer overflow vulnerability in common.c's handle PORT can be abused to cause a crash and could potentially lead to remote code execution.

Recommendations For uftpd FTP server versions 2.10 and earlier, update to a version later than 2.10 to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-20276

Affected Products

Wftpd Ftp Server

References · 6

• https://github.com/troglobit/uftpd/commit/0fb2c031ce0ace07cc19cd2cb2143c4b5a63c9dd · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-20276 · Security Note
• https://osv.dev/vulnerability/CVE-2020-20276 · Vendor Advisory
• https://arinerron.com/blog/posts/6 · Note
• https://t.me/cvenotify/7405 · Telegram Post
• https://t.me/cibsecurity/21088 · Telegram Post