Novell NetWare 5.1/6.0/6.5 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Novell NetWare 5.1/6.0/6.5 (Operating System). It has been classified as critical. Affected is an unknown functionality. The manipulation 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. CVE summarizes:

Stack-based buffer overflow in NWFTPD.NLM before 5.10.02 in the FTP server in Novell NetWare allows remote authenticated users to execute arbitrary code or cause a denial of service (abend) via a long DELE command, a different vulnerability than CVE-2010-0625.4.

The weakness was shared 03/22/2011 by Francis Provencher as Bug 641249 as not defined bug report (Bugzilla). The advisory is shared for download at This vulnerability is traded as CVE-2010-4228. The exploitability is told to be easy. It is possible to launch the attack remotely. The successful exploitation needs a authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Python. The exploit is shared for download at It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.

Upgrading to version 6.5 eliminates this vulnerability. Attack attempts may be identified with Snort ID 1975. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 10659.

The vulnerability is also documented in the vulnerability database at X-Force (66170).








  • end of life

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.9
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NetWare 6.5

Snort ID: 1975
Snort Message: PROTOCOL-FTP DELE overflow attempt
Snort Class: 🔍
TippingPoint: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍


11/10/2010 🔍
03/18/2011 +128 days 🔍
03/18/2011 +0 days 🔍
03/22/2011 +4 days 🔍
03/22/2011 +0 days 🔍
04/03/2011 +12 days 🔍
03/20/2015 +1447 days 🔍
10/21/2021 +2407 days 🔍



Advisory: Bug 641249
Researcher: Francis Provencher
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-4228 (🔍)
X-Force: 66170
Vulnerability Center: 30762 - FTP server in Novell NetWare Arbitrary Code Execution or DoS Vulnerability via a Long DELE Command, High
SecurityFocus: 46922 - Novell Netware 'NWFTPD.NLM' DELE Command Remote Buffer Overflow Vulnerability
Secunia: 43824

scip Labs:


Created: 03/20/2015 04:16 PM
Updated: 10/21/2021 07:03 AM
Changes: 03/20/2015 04:16 PM (62), 03/20/2017 09:27 AM (12), 10/21/2021 07:03 AM (5)
Complete: 🔍


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