SapporoWorks WinProxy 2.0/2.0.1 POP3 Service USER/PASS/LIST/RETR/DELE 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 categorized as critical has been discovered in SapporoWorks WinProxy 2.0/2.0.1. This affects an unknown function of the component POP3 Service. Such manipulation of the argument USER/PASS/LIST/RETR/DELE leads to memory corruption. This vulnerability is documented as CVE-2000-0592. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in SapporoWorks WinProxy 2.0/2.0.1 (Firewall Software). Affected by this issue is an unknown functionality of the component POP3 Service. The manipulation of the argument USER/PASS/LIST/RETR/DELE 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 overflows in POP3 service in WinProxy 2.0 and 2.0.1 allow remote attackers to execute arbitrary commands via long USER, PASS, LIST, RETR, or DELE commands.

The weakness was released 06/27/2000 by Nobuo Miwa (Shadow) (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2000-0592. 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 exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 2.0.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (20040) and SecurityFocus (BID 1400†). Entry connected to this vulnerability is available at VDB-15717. 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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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WinProxy 2.0.2

Timelineinfo

06/27/2000 🔍
06/27/2000 +0 days 🔍
06/27/2000 +0 days 🔍
06/25/2014 +5111 days 🔍
06/14/2025 +4007 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Nobuo Miwa (Shadow)
Status: Confirmed

CVE: CVE-2000-0592 (🔍)
GCVE (CVE): GCVE-0-2000-0592
GCVE (VulDB): GCVE-100-15716
SecurityFocus: 1400 - SapporoWorks WinProxy Buffer Overflow Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20150716
See also: 🔍

Entryinfo

Created: 06/25/2014 14:42
Updated: 06/14/2025 10:05
Changes: 06/25/2014 14:42 (57), 05/26/2018 07:59 (1), 06/14/2025 10:05 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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