MailEnable Professional Edition/Enterprise Edition SMTP Service denial of service

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.
5.0$0-$5k0.00

A vulnerability was found in MailEnable Professional Edition and Enterprise Edition (Mail Server Software) (unknown version). It has been classified as problematic. Affected is an unknown code block of the component SMTP Service. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The SMTP service in MailEnable Enterprise 1.04 and earlier and Professional 1.54 and earlier allows remote attackers to cause a denial of service (server crash) via an EHLO command with a Unicode string.

The bug was discovered 04/02/2005. The weakness was disclosed 04/05/2005 by Corry L. (CorryL) (Full-Disclosure). The advisory is shared for download at archives.neohapsis.com. This vulnerability is traded as CVE-2005-1013 since 04/08/2005. 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 are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

After immediately, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. 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 $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 17974 (MailEnable IMAP / SMTP Multiple Remote Vulnerabilities), 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (19973), Tenable (17974) and Exploit-DB (916). The entries 2707, 2728, 2727 and 2767 are pretty similar.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 17974
Nessus Name: MailEnable IMAP / SMTP Multiple Remote Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

04/02/2005 🔍
04/04/2005 +2 days 🔍
04/04/2005 +0 days 🔍
04/04/2005 +0 days 🔍
04/04/2005 +0 days 🔍
04/05/2005 +0 days 🔍
04/05/2005 +0 days 🔍
04/06/2005 +1 days 🔍
04/08/2005 +2 days 🔍
04/11/2005 +3 days 🔍
05/02/2005 +21 days 🔍
03/10/2015 +3599 days 🔍
07/09/2019 +1582 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Corry L. (CorryL)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-1013 (🔍)
X-Force: 19973
SecurityTracker: 1013637
Vulnerability Center: 7544 - DoS in MailEnable via EHLO Command, High
SecurityFocus: 12994 - MailEnable SMTP Malformed EHLO Request Denial Of Service Vulnerability
Secunia: 14812
OSVDB: 15232 - MailEnable SMTP Malformed EHLO Request DoS

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

Entryinfo

Created: 03/10/2015 23:05
Updated: 07/09/2019 07:54
Changes: 03/10/2015 23:05 (76), 07/09/2019 07:54 (7)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!