Vulnerability Monitor

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CVE-2003-1177

Buffer overflow in the base64 decoder in MERCUR Mailserver 4.2 before SP3a allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long (1) AUTH command to the POP3 server or (2) AUTHENTICATE command to the IMAP server.

Security Impact Summary

CVE-2003-1177 is a security vulnerability that . Impacting 1 product from atrium_software organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2003, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2003-12-31T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	atrium_software	mercur_mailserver	3.3	Yes
Application	atrium_software	mercur_mailserver	3.3_sp1	Yes
Application	atrium_software	mercur_mailserver	3.3_sp2	Yes
Application	atrium_software	mercur_mailserver	4.1	Yes
Application	atrium_software	mercur_mailserver	4.1_sp1	Yes
Application	atrium_software	mercur_mailserver	4.2	Yes
Application	atrium_software	mercur_mailserver	4.2_sp1	Yes
Application	atrium_software	mercur_mailserver	4.2_sp2	Yes

References

http://archives.neohapsis.com/archives/fulldisclosure/2003-q4/1459.html Exploit ([email protected])
http://secunia.com/advisories/10038 Patch ([email protected])
http://www.atrium-software.com/mail%20server/pub/mcr42sp3a.html ([email protected])
http://www.osvdb.org/2688 ([email protected])
http://www.securiteam.com/windowsntfocus/6U00N1P8KC.html Exploit ([email protected])
http://www.securityfocus.com/bid/8861 Exploit ([email protected])
http://www.securityfocus.com/bid/8889 Exploit ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/13468 ([email protected])
http://archives.neohapsis.com/archives/fulldisclosure/2003-q4/1459.html Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/10038 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.atrium-software.com/mail%20server/pub/mcr42sp3a.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/2688 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securiteam.com/windowsntfocus/6U00N1P8KC.html Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/8861 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/8889 Exploit (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/13468 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For atrium_software's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.