Blackmoonftpserver BlackMoon FTP Server up to 3.0 FTPService.exe null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Blackmoonftpserver BlackMoon FTP Server up to 3.0. This vulnerability affects unknown code of the file FTPService.exe. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2011-0507. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Blackmoonftpserver BlackMoon FTP Server up to 3.0 (File Transfer Software) and classified as problematic. Affected by this vulnerability is some unknown functionality of the file FTPService.exe. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

FTPService.exe in Blackmoon FTP 3.1 Build 1735 and Build 1736 (3.1.7.1736), and possibly other versions before 3.1.8.1737, allows remote attackers to cause a denial of service (crash) via a large number of PORT commands with long arguments, which triggers a NULL pointer dereference. NOTE: some of these details are obtained from third party information.

The weakness was released 01/13/2011 by Craig Freyman (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is known as CVE-2011-0507. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed by Craig Freyman in Python and been published immediately after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 51585 (BlackMoon FTP Server Denial of Service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FTP. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118918 (BlackMoon FTP Server PORT Command Processing Denial of Service).

Upgrading to version 3.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (64696), Exploit-DB (15986), Tenable (51585), SecurityFocus (BID 45814†) and OSVDB (70452†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Craig Freyman
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 51585
Nessus Name: BlackMoon FTP Server Denial of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 800194
OpenVAS Name: Blackmoon FTP PORT Command Denial Of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: BlackMoon FTP Server 3.1

Timelineinfo

01/13/2011 🔍
01/13/2011 +0 days 🔍
01/13/2011 +0 days 🔍
01/13/2011 +0 days 🔍
01/14/2011 +0 days 🔍
01/17/2011 +3 days 🔍
01/20/2011 +2 days 🔍
01/20/2011 +0 days 🔍
01/20/2011 +0 days 🔍
01/20/2011 +0 days 🔍
01/24/2011 +4 days 🔍
03/19/2015 +1515 days 🔍
01/19/2025 +3594 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: Craig Freyman
Status: Confirmed

CVE: CVE-2011-0507 (🔍)
GCVE (CVE): GCVE-0-2011-0507
GCVE (VulDB): GCVE-100-56191
X-Force: 64696
SecurityFocus: 45814 - Blackmoon FTP 'Port' Command Buffer Overflow Vulnerability
Secunia: 42933
OSVDB: 70452 - BlackMoon FTP Server PORT Command NULL Dereference Remote DoS
Vulnerability Center: 29339 - Blackmoon FTP Remote DoS Vulnerability via a Large Number of PORT Commands, Medium

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

Entryinfo

Created: 03/19/2015 23:27
Updated: 01/19/2025 02:13
Changes: 03/19/2015 23:27 (66), 03/14/2017 11:44 (15), 10/13/2021 02:40 (4), 10/13/2021 02:48 (1), 01/19/2025 02:13 (16)
Complete: 🔍
Cache ID: 216::103

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