AnalogX Proxy 4.4 FTP User memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in AnalogX Proxy 4.4. This affects an unknown function of the component FTP Handler. This manipulation of the argument User causes memory corruption. This vulnerability appears as CVE-2000-0656. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in AnalogX Proxy 4.4 (Firewall Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component FTP Handler. The manipulation of the argument USER with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in AnalogX proxy server 4.04 and earlier allows remote attackers to cause a denial of service via a long USER command in the FTP protocol.

The weakness was presented 07/25/2000 by Robin Keir (FIRST) with Foundstone (Website). The advisory is shared at archives.neohapsis.com. This vulnerability is known as CVE-2000-0656. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 62006 (AnalogX Proxy DoS Vulnerability).

Upgrading to version 4.05 eliminates this vulnerability. Attack attempts may be identified with Snort ID 1734.

The vulnerability is also documented in the databases at X-Force (4982), Exploit-DB (20099), SecurityFocus (BID 1504†) and Vulnerability Center (SBV-3085†). See VDB-15796, VDB-15795 and VDB-15794 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Proxy 4.05

Snort ID: 1734
Snort Message: PROTOCOL-FTP USER overflow attempt
Snort Class: 🔍

Suricata ID: 2101734
Suricata Class: 🔍
Suricata Message: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍

Timelineinfo

07/25/2000 🔍
07/25/2000 +0 days 🔍
07/25/2000 +0 days 🔍
07/25/2000 +0 days 🔍
12/04/2003 +1227 days 🔍
06/25/2014 +3856 days 🔍
02/01/2025 +3874 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Robin Keir (FIRST)
Organization: Foundstone
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2000-0656 (🔍)
GCVE (CVE): GCVE-0-2000-0656
GCVE (VulDB): GCVE-100-15793
X-Force: 4982
SecurityFocus: 1504 - AnalogX Proxy DoS Vulnerability
Vulnerability Center: 3085 - Multiple DoS Vulnerabilities in AnalogX Proxy Server 4.04 and Earlier, Medium

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

Entryinfo

Created: 06/25/2014 15:50
Updated: 02/01/2025 16:56
Changes: 06/25/2014 15:50 (73), 05/17/2019 13:01 (6), 02/01/2025 16:56 (19)
Complete: 🔍
Cache ID: 216::103

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

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