Ultimate PHP Board chat/login.php username Parameter Arbitrary Command Execution

high Nessus Plugin ID 23966

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Synopsis

The remote web server contains a PHP script that allows injection of arbitrary PHP code.

Description

The remote host is running Ultimate PHP Board (UPB).

The version of UPB installed on the remote host does not sanitize input to the 'username' parameter of the 'chat/login.php' script before writing it to 'chat/text.php'. Regardless of PHP's settings, an attacker can leverage this flaw to inject arbitrary PHP code into the second file and then retrieve that to have the code executed on the affected host subject to the privileges of the web server user id.

Solution

Unknown at this time.

Plugin Details

Severity: High

ID: 23966

File Name: upb_username_cmd_exec.nasl

Version: 1.20

Type: remote

Family: CGI abuses

Published: 1/2/2007

Updated: 4/11/2022

Configuration: Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Required KB Items: www/PHP

Excluded KB Items: Settings/disable_cgi_scanning

Exploit Ease: No exploit is required

Exploited by Nessus: true

Vulnerability Publication Date: 12/27/2006

Reference Information

CVE: CVE-2006-6790

BID: 21760

Detections

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