CVE-2009-3837

Eureka Email 2.2q - Remote Code Execution via Long POP3 Error Message

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 4 public exploits for CVE-2009-3837. PoCs published by Metasploit, Dr_IDE & dookie, Francis Provencher, including Metasploit module exploits/windows/misc/eureka_mail_err.

AI-analyzed exploit summary This exploit targets a buffer overflow in Eureka Email 2.2q via an overly long ERR message in a POP3 response. It leverages a JMP ESP instruction in user32.dll to execute arbitrary shellcode, with payload constraints including bad characters and stack adjustments.

Description

Stack-based buffer overflow in Eureka Email 2.2q allows remote POP3 servers to execute arbitrary code via a long error message.

Exploits (4)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16443

This exploit targets a buffer overflow in Eureka Email 2.2q via an overly long ERR message in a POP3 response. It leverages a JMP ESP instruction in user32.dll to execute arbitrary shellcode, with payload constraints including bad characters and stack adjustments.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Racy
Target: Eureka Email 2.2q
No auth needed
Prerequisites: Victim must manually check mail (Ctrl-M) in Eureka Email · Attacker must control or intercept POP3 traffic
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Dr_IDE & dookie · pythonremotewindows
https://www.exploit-db.com/exploits/10235

This exploit targets a buffer overflow in Eureka Mail Client by setting up a fake SMTP server on port 110. It uses an egghunter and a bind shell payload to achieve remote code execution on Windows XP SP3.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Eureka Mail Client (version not specified, tested on Windows XP SP3)
No auth needed
Prerequisites: Victim must connect to the attacker's fake SMTP server · Eureka Mail Client must be configured to use the attacker's server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Francis Provencher · textdoswindows
https://www.exploit-db.com/exploits/9881

This exploit targets a buffer overflow vulnerability in Eureka Mail 2.2q via a crafted payload sent to port 110. It overwrites EIP with a return address pointing to a JMP ESP instruction in kernel32.dll, followed by shellcode to execute cmd.exe.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Eureka Mail 2.2q
No auth needed
Prerequisites: Network access to the target's port 110 · Eureka Mail 2.2q running on Windows XP SP2
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
by Francis Provencher (Protek Research Labs), Dr_IDE, dookie, jduck · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/misc/eureka_mail_err.rb

This Metasploit module exploits a buffer overflow in Eureka Email 2.2q via an excessively long ERR message, targeting the POP3 protocol. It leverages a stack-based overflow to achieve remote code execution by overwriting the return address with a JMP ESP instruction.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Racy
Target: Eureka Email 2.2q
No auth needed
Prerequisites: Network access to the target's POP3 port (110) · Target must manually check mail (Ctrl-M)
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/507376/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/59262
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/3025
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/53940
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/508126/100/0/threaded
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/37132

Scores

EPSS 0.3207
EPSS Percentile 98.1%

Details

CWE
CWE-119
Status published
Products (1)
eureka-email/eureka_email 2.2q
Published Nov 02, 2009
Tracked Since Feb 18, 2026