CVE-2006-2107

bl4 smtp_server < 0.1.4 - Buffer Overflow via Long EHLO/MAIL FROM/RCPT TO Arguments

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-2107. PoCs published by Dedi Dwianto.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in an SMTP server by sending an overly long 'MAIL FROM:' command. It is designed to crash the service, demonstrating a denial-of-service (DoS) condition.

Description

Buffer overflow in BL4 SMTP Server 0.1.4 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long argument to the (1) EHLO, (2) MAIL FROM, and (3) RCPT TO commands.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Dedi Dwianto · perldoswindows
https://www.exploit-db.com/exploits/1721

This exploit targets a buffer overflow vulnerability in an SMTP server by sending an overly long 'MAIL FROM:' command. It is designed to crash the service, demonstrating a denial-of-service (DoS) condition.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Unspecified SMTP server (likely older versions vulnerable to buffer overflow)
No auth needed
Prerequisites: Network access to the target SMTP server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/809
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/26114
Exploit, Vendor Advisory x_refsource_misc
http://advisories.echo.or.id/adv/adv30-theday-2006.txt
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/17714
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/432329/100/0/threaded

Scores

EPSS 0.0484
EPSS Percentile 90.9%

Details

Status published
Products (1)
bl4/smtp_server < 0.1.4
Published Apr 29, 2006
Tracked Since Feb 18, 2026