Alt-N MDaemon up to 6.7.5 IMAP4 Directory memory corruption

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

Summaryinfo

A vulnerability identified as critical has been detected in Alt-N MDaemon up to 6.7.5. The impacted element is an unknown function of the component IMAP4. Performing a manipulation as part of Directory results in memory corruption. This vulnerability is identified as CVE-2003-1470. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Alt-N MDaemon up to 6.7.5 (Mail Server Software). It has been classified as critical. This affects some unknown functionality of the component IMAP4. The manipulation as part of a Directory leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in IMAP service in MDaemon 6.7.5 and earlier allows remote authenticated users to cause a denial of service (crash) and execute arbitrary code via a CREATE command with a long mailbox name.

The bug was discovered 04/26/2003. The weakness was released 04/28/2003 by D4rkGr3y (Website). It is possible to read the advisory at dhgroup.org. This vulnerability is uniquely identified as CVE-2003-1470 since 10/24/2007. It is possible to initiate the attack remotely. A authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 11577 (MDaemon IMAP Server CREATE Command Mailbox Name Handling Overflow), 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 50066 (Alt-N MDaemon IMAP Server Folder Creation Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at altn.com. The best possible mitigation is suggested to be upgrading to the latest version. Attack attempts may be identified with Snort ID 2107.

The vulnerability is also documented in the databases at X-Force (11896), Tenable (11577), SecurityFocus (BID 7446†) and OSVDB (55186†). Entry connected to this vulnerability is available at VDB-50. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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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: 11577
Nessus Name: MDaemon IMAP Server CREATE Command Mailbox Name Handling Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: altn.com

Snort ID: 2107
Snort Message: PROTOCOL-IMAP create buffer overflow attempt
Snort Class: 🔍

Timelineinfo

04/26/2003 🔍
04/26/2003 +0 days 🔍
04/28/2003 +2 days 🔍
04/28/2003 +0 days 🔍
05/06/2003 +8 days 🔍
12/31/2003 +239 days 🔍
10/24/2007 +1393 days 🔍
06/19/2009 +604 days 🔍
07/13/2025 +5867 days 🔍

Sourcesinfo

Vendor: altn.com

Advisory: dhgroup.org
Researcher: Discovery (D4rkGr3y)
Status: Confirmed

CVE: CVE-2003-1470 (🔍)
GCVE (CVE): GCVE-0-2003-1470
GCVE (VulDB): GCVE-100-51
X-Force: 11896 - MDaemon IMAP CREATE command buffer overflow, High Risk
SecurityFocus: 7446 - Alt-N MDaemon IMAP Server Folder Creation Buffer Overflow Vulnerability
OSVDB: 55186 - MDaemon IMAP Service CREATE Command Mailbox Name Handling Overflow

See also: 🔍

Entryinfo

Created: 04/28/2003 02:00
Updated: 07/13/2025 23:16
Changes: 04/28/2003 02:00 (83), 06/25/2019 18:50 (1), 03/08/2021 09:13 (2), 07/13/2025 23:16 (18)
Complete: 🔍
Cache ID: 216::103

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