CVE Vulnerability

CVE-2020-20277

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://arinerron.com/blog/posts/6 Third Party Advisory
https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe Patch Third Party Advisory
http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.html Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:troglobit:uftpd:*:*:*:*:*:*:*:*
Information

Published : 2020-12-18 07:15

Updated : 2022-12-13 03:59

NVD link : CVE-2020-20277

Mitre link : CVE-2020-20277

Products Affected
No products.
CWE
CWE-22