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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

13 Dec 2022, 15:59

Type	Values Removed	Values Added
References	~~(MISC) http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.html -~~	(MISC) http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.html - Exploit, Third Party Advisory, VDB Entry

02 Aug 2022, 17:15

Type	Values Removed	Values Added
References		(MISC) http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.html -

Information

Published : 2020-12-18 19:15

Updated : 2024-02-04 21:23

NVD link : CVE-2020-20277

Mitre link : CVE-2020-20277

CVE.ORG link : CVE-2020-20277

JSON object : View

Products Affected

troglobit

uftpd

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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