Seattle Lab SLMail 5.1.0.4420 POP3 Server slmail.exe EHLO/XTRN/POPPASSWD memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Seattle Lab SLMail 5.1.0.4420 and classified as critical. This affects an unknown function of the file slmail.exe of the component POP3 Server. Performing a manipulation of the argument EHLO/XTRN/POPPASSWD results in memory corruption. This vulnerability is reported as CVE-2003-0264. Moreover, an exploit is present. The affected component should be upgraded.
Details
A vulnerability classified as critical has been found in Seattle Lab SLMail 5.1.0.4420. This affects an unknown part of the file slmail.exe of the component POP3 Server. The manipulation of the argument EHLO/XTRN/POPPASSWD with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Multiple buffer overflows in SLMail 5.1.0.4420 allows remote attackers to execute arbitrary code via (1) a long EHLO argument to slmail.exe, (2) a long XTRN argument to slmail.exe, (3) a long string to POPPASSWD, or (4) a long password to the POP3 server.
The weakness was disclosed 05/27/2003 by NGSSoftware Insight Security Research with NGSSoftware Insight Security Research (Website). The advisory is shared at nextgenss.com. This vulnerability is uniquely identified as CVE-2003-0264 since 05/07/2003. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.
The exploit is shared for download at packetstormsecurity.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 11593 (SLMail < 5.1.0.4433 Multiple Command Remote Overflows), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SMTP problems and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 74138 (SLMail Remote ETRN Command Buffer Overflow Vulnerability).
Upgrading eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3461.
The vulnerability is also documented in the databases at X-Force (11966), Exploit-DB (638), Tenable (11593), SecurityFocus (BID 7512†) and Vulnerability Center (SBV-1654†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 11593
Nessus Name: SLMail < 5.1.0.4433 Multiple Command Remote Overflows
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
MetaSploit ID: seattlelab_pass.rb
MetaSploit Name: Seattle Lab Mail 5.5 POP3 Buffer Overflow
MetaSploit File: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
TippingPoint: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
SourceFire IPS: 🔍
PaloAlto IPS: 🔍
Timeline
05/07/2003 🔍05/07/2003 🔍
05/07/2003 🔍
05/27/2003 🔍
05/27/2003 🔍
05/27/2003 🔍
08/12/2003 🔍
08/11/2014 🔍
08/21/2025 🔍
Sources
Advisory: nextgenss.comResearcher: NGSSoftware Insight Security Research
Organization: NGSSoftware Insight Security Research
Status: Confirmed
CVE: CVE-2003-0264 (🔍)
GCVE (CVE): GCVE-0-2003-0264
GCVE (VulDB): GCVE-100-20457
X-Force: 11966
SecurityFocus: 7512 - BVRP SLMail Remote POPPASSWD Buffer Overrun Vulnerability
Vulnerability Center: 1654 - Multiple Buffer overflows in SLMail 5.1.0.4420, Critical
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 08/12/2014 00:38Updated: 08/21/2025 13:59
Changes: 08/12/2014 00:38 (71), 05/11/2019 11:38 (6), 06/16/2024 20:17 (19), 04/13/2025 11:17 (4), 08/21/2025 13:59 (2)
Complete: 🔍
Cache ID: 216::103
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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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