VDB-15794 · CVE-2000-0657 · BID 1504

AnalogX Proxy 4.4 SMTP HELO memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in AnalogX Proxy 4.4. This impacts an unknown function of the component SMTP Handler. Such manipulation of the argument HELO leads to memory corruption. This vulnerability is traded as CVE-2000-0657. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in AnalogX Proxy 4.4 (Firewall Software). It has been rated as critical. Affected by this issue is some unknown functionality of the component SMTP Handler. The manipulation of the argument HELO with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is 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 HELO command in the SMTP protocol.

The weakness was shared 07/25/2000 by Robin Keir (FIRST) with Foundstone (Website). The advisory is available at archives.neohapsis.com. This vulnerability is handled as CVE-2000-0657. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at securityfocus.com. It is declared as proof-of-concept.

Upgrading to version 4.05 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 1504†) and Vulnerability Center (SBV-3085†). The entries VDB-15796, VDB-15795 and VDB-15793 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Firewall Software

Vendor

AnalogX

Name

Proxy

Version

CPE 2.3info

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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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Proxy 4.05

Timelineinfo

07/25/2000 🔍
07/25/2000 +0 days 🔍
07/25/2000 +0 days 🔍
06/25/2014 +5083 days 🔍
06/23/2024 +3651 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Robin Keir (FIRST)
Organization: Foundstone
Status: Not defined
Confirmation: 🔍

CVE: CVE-2000-0657 (🔍)
GCVE (CVE): GCVE-0-2000-0657
GCVE (VulDB): GCVE-100-15794
SecurityFocus: 1504 - AnalogX Proxy DoS Vulnerability
Vulnerability Center: 3085

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

Entryinfo

Created: 06/25/2014 15:50
Updated: 06/23/2024 19:25
Changes: 06/25/2014 15:50 (52), 05/27/2018 12:10 (9), 06/23/2024 19:25 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.