Quiksoft EasyMail Objects 6.0 ActiveX Control 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.
9.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Quiksoft EasyMail Objects 6.0. Affected by this vulnerability is an unknown functionality of the component ActiveX Control. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2009-4663. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Quiksoft EasyMail Objects 6.0 and classified as very critical. Affected by this issue is an unknown function of the component ActiveX Control. 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 confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the Quiksoft EasyMail Objects 6 ActiveX control allows remote attackers to execute arbitrary code via a long argument to the AddAttachment method.

The weakness was disclosed 03/03/2010 (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is handled as CVE-2009-4663. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/01/2026).

The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 26185 (EasyMail SMTP Object ActiveX Control Multiple Buffer Overflows), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

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 (53325), Tenable (26185), SecurityFocus (BID 36440†) and Vulnerability Center (SBV-27766†). The entry VDB-38576 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 26185
Nessus Name: EasyMail SMTP Object ActiveX Control Multiple Buffer Overflows
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 800993
OpenVAS Name: Quiksoft EasyMail Objects AddAttachments() ActiveX Control BOF Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Fortigate IPS: 🔍

Timelineinfo

09/17/2009 🔍
03/03/2010 +166 days 🔍
03/03/2010 +0 days 🔍
03/03/2010 +0 days 🔍
03/03/2010 +0 days 🔍
10/19/2010 +230 days 🔍
03/18/2015 +1611 days 🔍
05/01/2026 +4062 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Status: Not defined

CVE: CVE-2009-4663 (🔍)
GCVE (CVE): GCVE-0-2009-4663
GCVE (VulDB): GCVE-100-52052
X-Force: 53325
SecurityFocus: 36440 - Quiksoft EasyMail 'AddAttachment()' Method ActiveX Control Buffer Overflow Vulnerability
Vulnerability Center: 27766 - Quiksoft EasyMail Objects 6 ActiveX Control Remote Heap-Based Buffer Overflow Vulnerability, High

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 05/01/2026 14:41
Changes: 03/18/2015 15:15 (57), 03/08/2017 15:15 (12), 09/03/2021 00:02 (3), 09/03/2021 00:16 (1), 12/15/2024 04:25 (19), 05/01/2026 14:41 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!