MailEnable Professional up to 2.35 mentlm.dll ntlm_unpack_type3 memory corruption

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.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MailEnable Professional up to 2.35. It has been declared as problematic. This affects the function ntlm_unpack_type3 in the library mentlm.dll. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2007-0955. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in MailEnable Professional up to 2.35 (Mail Server Software). Affected by this issue is the function ntlm_unpack_type3 in the library mentlm.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

The NTLM_UnPack_Type3 function in MENTLM.dll in MailEnable Professional 2.35 and earlier allows remote attackers to cause a denial of service (application crash) via certain base64-encoded data following an AUTHENTICATE NTLM command to the imap port (143/tcp), which results in an out-of-bounds read.

The weakness was presented 02/14/2007 with mu-b (Website). The advisory is shared for download at lists.grok.org.uk. This vulnerability is handled as CVE-2007-0955 since 02/14/2007. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by mu-b in Perl and been published even before and not after the advisory. The exploit is available at securityfocus.com. It is declared as proof-of-concept.

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 (32482), Exploit-DB (3306), SecurityFocus (BID 22565†), OSVDB (33195†) and Secunia (SA24139†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Mail Server Software

Name

• MailEnable Professional

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32
• 2.33
• 2.34
• 2.35

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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: Proof-of-Concept
Author: mu-b
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/14/2007 🔍
02/14/2007 +0 days 🔍
02/14/2007 +0 days 🔍
02/14/2007 +0 days 🔍
02/14/2007 +0 days 🔍
02/14/2007 +0 days 🔍
02/14/2007 +0 days 🔍
03/13/2015 +2948 days 🔍
10/13/2017 +945 days 🔍

Sourcesinfo

Advisory: lists.grok.org.uk
Organization: mu-b
Status: Confirmed

CVE: CVE-2007-0955 (🔍)
GCVE (CVE): GCVE-0-2007-0955
GCVE (VulDB): GCVE-100-35048
X-Force: 32482 - MailEnable Professional NTLM denial of service
SecurityFocus: 22565 - MailEnable SMTP NTLM Authentication Unspecified Denial of Service Vulnerability
Secunia: 24139
OSVDB: 33195 - MailEnable MENTLM.dll NTLM AUTHENTICATE NTLM Command DoS
Vupen: ADV-2007-0614

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

Entryinfo

Created: 03/13/2015 12:16
Updated: 10/13/2017 10:58
Changes: 03/13/2015 12:16 (58), 10/13/2017 10:58 (10)
Complete: 🔍
Cache ID: 216:D80:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

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