YoungZSoft CMailServer 5.4.6 ActiveX Control mwmail.asp indexOfMail memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in YoungZSoft CMailServer 5.4.6. The affected element is an unknown function in the library CMailCOM.dll of the file mwmail.asp of the component ActiveX Control. The manipulation of the argument indexOfMail leads to memory corruption. This vulnerability is traded as CVE-2008-6922. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in YoungZSoft CMailServer 5.4.6 (Mail Server Software). It has been rated as very critical. This issue affects an unknown code in the library CMailCOM.dll of the file mwmail.asp of the component ActiveX Control. The manipulation of the argument indexOfMail 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 confidentiality, integrity, and availability. The summary by CVE is:

Multiple stack-based buffer overflows in CMailCOM.dll in CMailServer 5.4.6 allow remote attackers to execute arbitrary code via a long argument to the (1) CreateUserPath, (2) Logout, (3) DeleteMailByUID, (4) MoveToInbox, (5) MoveToFolder, (6) DeleteMailEx, (7) GetMailDataEx, (8) SetReplySign, (9) SetForwardSign, and (10) SetReadSign methods, which are not properly handled by (a) the POP3 Class ActiveX control (CMailCom.POP3); or a long argument to the (11) AddAttach, (12) SetSubject, (13) SetBcc, (14) SetBody, (15) SetCc, (16) SetFrom, (17) SetTo, and (18) SetFromUID methods, which are not properly handled by the Class ActiveX control (CMailCOM.SMTP), as demonstrated via the indexOfMail parameter to mwmail.asp.

The weakness was shared 07/06/2008 (Website). It is possible to read the advisory at xforce.iss.net. The identification of this vulnerability is CVE-2008-6922. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/31/2024).

After immediately, there has been an exploit disclosed. The exploit is available at securityfocus.com. It is declared as proof-of-concept. By approaching the search of inurl:mwmail.asp it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8897.

The vulnerability is also documented in the databases at X-Force (43594), SecurityFocus (BID 30098†), OSVDB (46750†) and Vulnerability Center (SBV-30916†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.1

VulDB Base Score: 10.0
VulDB Temp Score: 9.1
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 900918
OpenVAS Name: CMailServer ActiveX Control Multiple Buffer Overflow Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍
TippingPoint: 🔍
ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

07/06/2008 🔍
07/06/2008 +0 days 🔍
07/06/2008 +0 days 🔍
07/06/2008 +0 days 🔍
07/07/2008 +1 days 🔍
08/10/2009 +398 days 🔍
08/10/2009 +0 days 🔍
04/06/2011 +604 days 🔍
03/18/2015 +1442 days 🔍
10/31/2024 +3515 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Status: Not defined

CVE: CVE-2008-6922 (🔍)
GCVE (CVE): GCVE-0-2008-6922
GCVE (VulDB): GCVE-100-49319
X-Force: 43594
SecurityFocus: 30098 - Youngzsoft CMailServer Multiple Buffer Overflow Vulnerabilities
OSVDB: 46750 - CMailServer CMailCOM.dll POP3 Class ActiveX (CMailCom.POP3) Multiple Method Overflow
Vulnerability Center: 30916 - CMailServer 5.4.6 Remote Arbitrary Code Execution Vulnerability via a Long Argument, Medium

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 10/31/2024 22:01
Changes: 03/18/2015 15:15 (63), 03/20/2017 09:30 (11), 08/13/2021 17:21 (3), 10/31/2024 22:01 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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