AnalogX Proxy 4.4 SOCKS4 CONNECT 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 was found in AnalogX Proxy 4.4 and classified as critical. Affected by this vulnerability is an unknown functionality of the component SOCKS4 Handler. Executing a manipulation of the argument CONNECT can lead to memory corruption. This vulnerability is handled as CVE-2000-0659. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in AnalogX Proxy 4.4 (Firewall Software). This vulnerability affects an unknown code of the component SOCKS4 Handler. The manipulation of the argument CONNECT 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. CVE summarizes:

Buffer overflow in AnalogX proxy server 4.04 and earlier allows remote attackers to cause a denial of service via a long user ID in a SOCKS4 CONNECT request.

The weakness was released 07/25/2000 by Robin Keir (FIRST) with Foundstone (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2000-0659. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 vulnerability scanner Nessus provides a plugin with the ID 11126 (AnalogX Proxy SOCKS4a DNS Hostname Handling Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls and running in the context r. 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.

The vulnerability is also documented in the databases at X-Force (9456), Tenable (11126), SecurityFocus (BID 1504†) and Vulnerability Center (SBV-924†). Entries connected to this vulnerability are available at VDB-15795, VDB-15794 and VDB-15793. Once again VulDB remains the best source for 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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Nessus ID: 11126
Nessus Name: AnalogX Proxy SOCKS4a DNS Hostname Handling Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Proxy 4.05
McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍

Timelineinfo

07/25/2000 🔍
07/25/2000 +0 days 🔍
07/25/2000 +0 days 🔍
09/21/2002 +788 days 🔍
10/04/2002 +13 days 🔍
02/10/2003 +129 days 🔍
06/25/2014 +4153 days 🔍
06/25/2021 +2557 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Robin Keir (FIRST)
Organization: Foundstone
Status: Not defined

CVE: CVE-2000-0659 (🔍)
GCVE (CVE): GCVE-0-2000-0659
GCVE (VulDB): GCVE-100-15796
X-Force: 9456
SecurityFocus: 1504 - AnalogX Proxy DoS Vulnerability
Vulnerability Center: 924 - AnalogX Proxy Socks4A Buffer Overflow Vulnerability, Critical

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

Entryinfo

Created: 06/25/2014 15:52
Updated: 06/25/2021 08:34
Changes: 06/25/2014 15:52 (70), 05/09/2019 15:59 (8), 06/25/2021 08:34 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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