Atrium Mercur Mailserver up to 4.2.14.x stack-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Atrium Mercur Mailserver up to 4.2.14.x. This impacts an unknown function. Executing a manipulation of the argument EXAMINE/DELETE/SUBSCRIBE/RENAME/UNSUBSCRIBE/LIST/LSUB/STATUS/LOGIN/CREATE/SELECT can lead to stack-based overflow. This vulnerability is registered as CVE-2003-1322. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as very critical was found in Atrium Mercur Mailserver up to 4.2.14.x (Mail Server Software). This vulnerability affects an unknown code block. The manipulation of the argument EXAMINE/DELETE/SUBSCRIBE/RENAME/UNSUBSCRIBE/LIST/LSUB/STATUS/LOGIN/CREATE/SELECT with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple stack-based buffer overflows in Atrium MERCUR IMAPD in MERCUR Mailserver before 4.2.15.0 allow remote attackers to execute arbitrary code via a long (1) EXAMINE, (2) DELETE, (3) SUBSCRIBE, (4) RENAME, (5) UNSUBSCRIBE, (6) LIST, (7) LSUB, (8) STATUS, (9) LOGIN, (10) CREATE, or (11) SELECT command.

The weakness was published 12/31/2003 by Dennis Rand as not defined posting (Bugtraq). The advisory is available at securityfocus.com. This vulnerability was named CVE-2003-1322 since 03/21/2007. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/14/2025).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 50073 (Atrium Software Mercur Mail Server IMAP Remote Buffer Overflow Vulnerability).

Upgrading to version 4.2.15.0 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2065.

The vulnerability is also documented in the databases at X-Force (12203), SecurityFocus (BID 7842†) and Vulnerability Center (SBV-6157†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Mail Server Software

Vendor

• Atrium

Name

• Mercur Mailserver

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.2.8
• 4.2.9
• 4.2.10
• 4.2.11
• 4.2.12
• 4.2.13
• 4.2.14

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mercur Mailserver 4.2.15.0
TippingPoint: 🔍

Timelineinfo

06/06/2003 🔍
06/06/2003 +0 days 🔍
12/31/2003 +208 days 🔍
12/31/2003 +0 days 🔍
11/25/2004 +330 days 🔍
03/21/2007 +846 days 🔍
08/28/2014 +2717 days 🔍
07/14/2025 +3972 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Dennis Rand
Status: Confirmed

CVE: CVE-2003-1322 (🔍)
GCVE (CVE): GCVE-0-2003-1322
GCVE (VulDB): GCVE-100-21250
X-Force: 12203
SecurityFocus: 7842 - Atrium Software Mercur Mailserver IMAP Remote Buffer Overflow Vulnerability
Vulnerability Center: 6157 - Buffer Overflow in Atrium Mercur Mail Server and IMAP4 Server, High

Entryinfo

Created: 08/28/2014 17:48
Updated: 07/14/2025 01:26
Changes: 08/28/2014 17:48 (62), 05/26/2019 20:22 (1), 07/14/2025 01:26 (19)
Complete: 🔍
Cache ID: 216::103

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Discussion

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