Serv-U < 2.5i CD Command Traversal Directory / File Access

Medium Nessus Network Monitor Plugin ID 1838

Synopsis

The remote host is vulnerable to a flaw which allows attackers to retrieve sensitive files or data.

Description

It is possible to break out of the remote FTP chroot by appending %20s in the CWD command, as in : CWD %20.. This problem allows an attacker to browse the entire remote file system.

Solution

Upgrade to Serv-U 2.5i or higher.

See Also

http://archives.neohapsis.com/archives/bugtraq/2000-12/0043.html

Plugin Details

Severity: Medium

ID: 1838

Family: FTP Servers

Published: 2004/08/20

Modified: 2018/07/11

Dependencies: 1853

Nessus ID: 10565

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

CVSSv3

Base Score: 5.3

Temporal Score: 4.9

Vector: CVSS3#AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS3#E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:serv-u:serv-u

Reference Information

CVE: CVE-2001-0054

BID: 2052