Amax Magic Winmail Server 2.3 PASS format string

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Amax Magic Winmail Server 2.3. Affected by this vulnerability is an unknown functionality. The manipulation of the argument PASS results in format string. This vulnerability is reported as CVE-2003-0391. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Amax Magic Winmail Server 2.3 (Mail Server Software). Affected is an unknown code block. The manipulation of the argument PASS with an unknown input leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Format string vulnerability in Magic WinMail Server 2.3, and possibly other 2.x versions, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in the PASS command.

The weakness was disclosed 05/24/2003 by D4rkGr3y (Website). The advisory is shared for download at magicwinmail.net. This vulnerability is traded as CVE-2003-0391 since 06/10/2003. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download at securiteam.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 11742 (Magic Winmail Server PASS Command Remote Format String), 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 50074 (Magic Winmail Server USER POP3 Command Format String Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 2250.

The vulnerability is also documented in the databases at X-Force (12062), Exploit-DB (42), Tenable (11742), SecurityFocus (BID 7667†) and OSVDB (4921†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: Format string
CWE: CWE-134 / CWE-119
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: 11742
Nessus Name: Magic Winmail Server PASS Command Remote Format String
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Snort ID: 2250
Snort Message: PROTOCOL-POP USER format string attempt
Snort Class: 🔍

Suricata ID: 2102250
Suricata Class: 🔍
Suricata Message: 🔍
SourceFire IPS: 🔍

Timelineinfo

05/23/2003 🔍
05/24/2003 +1 days 🔍
05/30/2003 +5 days 🔍
06/10/2003 +11 days 🔍
06/11/2003 +1 days 🔍
06/17/2003 +6 days 🔍
07/02/2003 +15 days 🔍
08/27/2003 +56 days 🔍
03/17/2004 +203 days 🔍
08/12/2014 +3799 days 🔍
08/17/2025 +4023 days 🔍

Sourcesinfo

Advisory: magicwinmail.net
Researcher: D4rkGr3y
Status: Confirmed

CVE: CVE-2003-0391 (🔍)
GCVE (CVE): GCVE-0-2003-0391
GCVE (VulDB): GCVE-100-20592
X-Force: 12062
SecurityFocus: 7667 - Magic Winmail Server USER POP3 Command Format String Vulnerability
OSVDB: 4921 - Winmail Server PASS Command Remote Format String
Vulnerability Center: 1791 - Format String in Magic WinMail Server 2.3, High

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

Entryinfo

Created: 08/12/2014 22:46
Updated: 08/17/2025 10:52
Changes: 08/12/2014 22:46 (79), 05/11/2019 22:00 (5), 04/25/2025 06:00 (18), 08/17/2025 10:52 (2)
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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