Alt-N MDaemon 3.0.3/3.1 Beta POP Server Username memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Alt-N MDaemon 3.0.3/3.1 Beta. This affects an unknown function of the component POP Server. Such manipulation of the argument Username leads to memory corruption. This vulnerability is traded as CVE-2000-0399. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Alt-N MDaemon 3.0.3/3.1 Beta (Mail Server Software) and classified as critical. Affected by this issue is some unknown functionality of the component POP Server. The manipulation of the argument Username 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 MDaemon POP server allows remote attackers to cause a denial of service via a long user name.

The weakness was shared 05/24/2000 (Website). The advisory is shared for download at archives.neohapsis.com. This vulnerability is handled as CVE-2000-0399. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 14825 (MDaemon POP Server User Name Overflow DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 74020 (MDaemon Denial of Service Vulnerability).

Upgrading to version 3.0.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (4539), Tenable (14825), SecurityFocus (BID 1250†) and Vulnerability Center (SBV-3240†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14825
Nessus Name: MDaemon POP Server User Name Overflow DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14825
OpenVAS Name: MDaemon mail server DoS
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MDaemon 3.0.4
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

05/24/2000 🔍
05/24/2000 +0 days 🔍
05/24/2000 +0 days 🔍
05/24/2000 +0 days 🔍
12/21/2003 +1306 days 🔍
09/27/2004 +281 days 🔍
06/24/2014 +3557 days 🔍
10/16/2025 +4132 days 🔍

Sourcesinfo

Vendor: altn.com

Advisory: archives.neohapsis.com
Status: Confirmed

CVE: CVE-2000-0399 (🔍)
GCVE (CVE): GCVE-0-2000-0399
GCVE (VulDB): GCVE-100-15584
X-Force: 4539
SecurityFocus: 1250 - Alt-N MDaemon Mail Server DoS Vulnerability
Vulnerability Center: 3240 - Buffer Overflow in Mdaemon 3.03 POP Server Allows a Remote Attacker to Cause DoS via Long Username, High

Entryinfo

Created: 06/24/2014 18:02
Updated: 10/16/2025 09:27
Changes: 06/24/2014 18:02 (71), 05/18/2019 16:53 (2), 10/16/2025 09:27 (20)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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