Psychoid psyBNC 2.3 PASS Command Password denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Psychoid psyBNC 2.3. It has been rated as problematic. This issue affects some unknown processing of the component PASS Command Handler. Performing a manipulation of the argument Password results in denial of service. This vulnerability is reported as CVE-2002-0741. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Psychoid psyBNC 2.3. It has been classified as problematic. This affects an unknown function of the component PASS Command Handler. The manipulation of the argument password with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

psyBNC 2.3 allows remote attackers to cause a denial of service (CPU consumption and resource exhaustion) by sending a PASS command with a long password argument and quickly killing the connection, which is not properly terminated by psyBNC.

The weakness was disclosed 04/23/2002 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2002-0741. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38092 (PsyBNC Oversized Passwords Denial of Service Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (8912), Exploit-DB (383), SecurityFocus (BID 4570†), OSVDB (5120†) and Vulnerability Center (SBV-6554†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/22/2002 🔍
04/22/2002 +0 days 🔍
04/23/2002 +0 days 🔍
08/12/2002 +111 days 🔍
04/09/2004 +605 days 🔍
12/16/2004 +251 days 🔍
07/22/2014 +3505 days 🔍
09/14/2025 +4072 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2002-0741 (🔍)
GCVE (CVE): GCVE-0-2002-0741
GCVE (VulDB): GCVE-100-18627
X-Force: 8912
SecurityFocus: 4570 - PsyBNC Oversized Passwords Denial Of Service Vulnerability
OSVDB: 5120 - psyBNC Long PASS Command DoS
Vulnerability Center: 6554 - DoS in psyBNC 2.3 via PASS Command, Low

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

Entryinfo

Created: 07/22/2014 23:09
Updated: 09/14/2025 07:11
Changes: 07/22/2014 23:09 (57), 05/27/2019 16:13 (7), 12/21/2024 08:00 (20), 09/14/2025 07:11 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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