MailCarrier 2.51 Command EHLO/HELO memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in MailCarrier 2.51. The impacted element is an unknown function of the component Command Handler. Executing a manipulation of the argument EHLO/HELO can lead to memory corruption. This vulnerability is tracked as CVE-2004-1638. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MailCarrier 2.51. It has been declared as critical. This vulnerability affects an unknown functionality of the component Command Handler. The manipulation of the argument EHLO/HELO with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a long (1) EHLO and possibly (2) HELO command.

The weakness was disclosed 10/26/2004 by Jerome Athias (muts) (Website). The advisory is available at archives.neohapsis.com. This vulnerability was named CVE-2004-1638 since 02/20/2005. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 15902 (MailCarrier < 3.0.1 SMTP EHLO Command Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SMTP problems and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38333 (Tabs Laboratories MailCarrier Remote SMTP EHLO/HELO Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4210.

The vulnerability is also documented in the databases at X-Force (17861), Exploit-DB (598), Tenable (15902), SecurityFocus (BID 11535†) and OSVDB (11174†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 15902
Nessus Name: MailCarrier < 3.0.1 SMTP EHLO Command Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 15902
OpenVAS Name: MailCarrier SMTP Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: mailcarrier_smtp_ehlo.rb
MetaSploit Name: Timbuktu PlughNTCommand Named Pipe Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Exploit Delay Time: 🔍
TippingPoint: 🔍

McAfee IPS Version: 🔍

PaloAlto IPS: 🔍

Timelineinfo

10/16/2004 🔍
10/26/2004 +10 days 🔍
10/26/2004 +0 days 🔍
10/26/2004 +0 days 🔍
10/26/2004 +0 days 🔍
10/28/2004 +1 days 🔍
10/28/2004 +0 days 🔍
12/03/2004 +35 days 🔍
12/09/2004 +6 days 🔍
02/20/2005 +73 days 🔍
12/19/2014 +3589 days 🔍
07/06/2025 +3852 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Jerome Athias (muts)
Status: Confirmed

CVE: CVE-2004-1638 (🔍)
GCVE (CVE): GCVE-0-2004-1638
GCVE (VulDB): GCVE-100-22282
X-Force: 17861
SecurityFocus: 11535 - Tabs Laboratories MailCarrier Remote SMTP EHLO/HELO Buffer Overflow
Secunia: 12999 - MailCarrier HELO/EHLO Buffer Overflow Vulnerability, Extremely Critical
OSVDB: 11174 - MailCarrier HELO/EHLO Remote Overflow
Vulnerability Center: 6373 - Buffer Overflow in MailCarrier SMTP Service, High

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

Entryinfo

Created: 12/19/2014 15:27
Updated: 07/06/2025 16:39
Changes: 12/19/2014 15:27 (83), 05/27/2019 08:28 (6), 07/06/2025 16:39 (20)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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