Vwsolutions NULL FTP 1.1.0.7 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Vwsolutions NULL FTP 1.1.0.7. It has been rated as critical. This vulnerability affects unknown code. The manipulation leads to input validation. This vulnerability is traded as CVE-2008-6534. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Vwsolutions NULL FTP 1.1.0.7. This issue affects an unknown function. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Incomplete blacklist vulnerability in NULL FTP Server Free and Pro 1.1.0.7 allows remote authenticated users to execute arbitrary commands via a custom SITE command containing shell metacharacters such as "&" (ampersand) in the middle of an argument.

The bug was discovered 11/25/2008. The weakness was shared 12/05/2008 by Tan Chew Keong (Website). The advisory is shared at milw0rm.com. The identification of this vulnerability is CVE-2008-6534 since 03/26/2009. The exploitation is known to be difficult. The attack may be initiated remotely. The successful exploitation requires a simple authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Tan Chew Keong and been published immediately after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116072 (Null FTP Server "SITE" Command Arbitrary Command Injection Vulnerability).

A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (47099), Exploit-DB (7355), SecurityFocus (BID 32656†), OSVDB (50486†) and Secunia (SA32999†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Tan Chew Keong
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 800546
OpenVAS Name: Null FTP Server SITE Command Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

11/25/2008 🔍
11/27/2008 +2 days 🔍
12/05/2008 +8 days 🔍
12/05/2008 +0 days 🔍
12/05/2008 +0 days 🔍
12/05/2008 +0 days 🔍
12/05/2008 +0 days 🔍
12/05/2008 +0 days 🔍
03/26/2009 +110 days 🔍
03/26/2009 +0 days 🔍
03/17/2015 +2182 days 🔍
05/24/2025 +3721 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Researcher: Tan Chew Keong
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-6534 (🔍)
GCVE (CVE): GCVE-0-2008-6534
GCVE (VulDB): GCVE-100-47369
X-Force: 47099 - Null FTP Server SITE command execution
SecurityFocus: 32656 - Null FTP Server 'SITE' Command Arbitrary Command Injection Vulnerability
Secunia: 32999 - Null FTP Server "SITE" Parameters Command Injection Vulnerability, Moderately Critical
OSVDB: 50486 - Null FTP Server SITE Command Handling Arbitrary Command Execution
Vupen: ADV-2008-3367

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/17/2015 23:38
Updated: 05/24/2025 07:53
Changes: 03/17/2015 23:38 (61), 12/11/2017 08:18 (15), 11/14/2024 21:10 (17), 05/24/2025 07:53 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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