hMailServer 4.4.1 IMAP Server input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in hMailServer 4.4.1. Affected by this vulnerability is an unknown functionality of the component IMAP Server. The manipulation results in input validation. This vulnerability is reported as CVE-2008-3676. Moreover, an exploit is present. Upgrading the affected component is recommended. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability was found in hMailServer 4.4.1 (Mail Server Software). It has been classified as problematic. Affected is an unknown code block of the component IMAP Server. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

Unspecified vulnerability in the IMAP server in hMailServer 4.4.1 allows remote authenticated users to cause a denial of service (resource exhaustion or daemon crash) via a long series of IMAP commands.

The bug was discovered 08/08/2008. The weakness was disclosed 08/14/2008 by João Antunes (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2008-3676 since 08/14/2008. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 33902 (hMailServer < 4.4.2 build 279 IMAP Command Handling Remote 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 l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (44429), Exploit-DB (32229), Tenable (33902), SecurityFocus (BID 30663†) and OSVDB (47459†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

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: Input validation
CWE: CWE-20
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: 33902
Nessus Name: hMailServer < 4.4.2 build 279 IMAP Command Handling Remote DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900109
OpenVAS Name: hMailServer IMAP Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/08/2008 🔍
08/08/2008 +0 days 🔍
08/12/2008 +4 days 🔍
08/12/2008 +0 days 🔍
08/13/2008 +1 days 🔍
08/13/2008 +0 days 🔍
08/14/2008 +0 days 🔍
08/14/2008 +0 days 🔍
08/14/2008 +0 days 🔍
08/16/2008 +2 days 🔍
08/25/2008 +9 days 🔍
03/17/2015 +2395 days 🔍
12/29/2025 +3940 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: João Antunes
Status: Confirmed

CVE: CVE-2008-3676 (🔍)
GCVE (CVE): GCVE-0-2008-3676
GCVE (VulDB): GCVE-100-43692
X-Force: 44429
SecurityFocus: 30663 - hMailServer IMAP Command Remote Denial of Service Vulnerability
Secunia: 31480 - hMailServer IMAP Denial of Service Vulnerability, Less Critical
OSVDB: 47459 - hMailServer IMAP Command Handling Remote DoS
Vulnerability Center: 19275 - HMailServer Vulnerability Allows Remote Authenticated Users to Cause DoS via IMAP Commands, Medium

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

Entryinfo

Created: 03/17/2015 12:19 PM
Updated: 12/29/2025 09:36 AM
Changes: 03/17/2015 12:19 PM (77), 08/16/2019 09:23 AM (2), 12/29/2025 09:36 AM (27)
Complete: 🔍
Cache ID: 244:D4F:40

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