CVE-2006-5552

RevilloC MailServer <= 1.21 - Remote Code Execution via Long MAIL FROM or RCPT TO Argument

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-5552. PoCs published by Greg Linares.

AI-analyzed exploit summary This exploit demonstrates a heap-based buffer overflow in RevilloC SMTP Mail Server Suite <= 1.21 via the RCPT TO or MAIL FROM commands. Sending a buffer larger than 4080 bytes causes a denial of service (DoS) or potential arbitrary code execution due to register overwrites.

Description

Multiple heap-based buffer overflows in RevilloC MailServer 1.21 and earlier allow remote attackers to cause a denial of service (CPU consumption or application crash) or execute arbitrary code via a long argument to the (1) MAIL FROM or (2) RCPT TO command.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Greg Linares · cdoswindows
https://www.exploit-db.com/exploits/2650

This exploit demonstrates a heap-based buffer overflow in RevilloC SMTP Mail Server Suite <= 1.21 via the RCPT TO or MAIL FROM commands. Sending a buffer larger than 4080 bytes causes a denial of service (DoS) or potential arbitrary code execution due to register overwrites.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: RevilloC SMTP Mail Server Suite <= 1.21
No auth needed
Prerequisites: Network access to the SMTP server · SMTP server running RevilloC SMTP Mail Server Suite <= 1.21
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/20709
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/22559
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/4181
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/2650
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/29803

Scores

EPSS 0.0459
EPSS Percentile 90.4%

Details

CWE
CWE-119
Status published
Products (1)
revilloc_solutions/revilloc_mailserver < 1.21
Published Oct 26, 2006
Tracked Since Feb 18, 2026