glFTPD up to 1.23 Command LIST denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in glFTPD up to 1.23. Affected by this issue is some unknown functionality of the component Command Handler. Performing a manipulation of the argument LIST with the input *** results in denial of service. This vulnerability is identified as CVE-2001-0965. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in glFTPD up to 1.23 (File Transfer Software). This affects some unknown functionality of the component Command Handler. The manipulation of the argument LIST with the input value *** leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

glFTPD 1.23 allows remote attackers to cause a denial of service (CPU consumption) via a LIST command with an argument that contains a large number of * (asterisk) characters.

The bug was discovered 08/17/2001. The weakness was released 08/31/2001 (Website). It is possible to read the advisory at archives.neohapsis.com. This vulnerability is uniquely identified as CVE-2001-0965. 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.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27115 (glFTPD LIST Denial of Service Vulnerability).

Upgrading to version 1.24 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 682.

The vulnerability is also documented in the databases at X-Force (7001), Exploit-DB (21074), SecurityFocus (BID 3201†), OSVDB (1935†) and Vulnerability Center (SBV-6664†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: glFTPD 1.24
TippingPoint: 🔍

Timelineinfo

08/17/2001 🔍
08/17/2001 +0 days 🔍
08/17/2001 +0 days 🔍
08/31/2001 +14 days 🔍
08/31/2001 +0 days 🔍
12/30/2004 +1217 days 🔍
07/08/2014 +3477 days 🔍
10/01/2025 +4102 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2001-0965 (🔍)
GCVE (CVE): GCVE-0-2001-0965
GCVE (VulDB): GCVE-100-17271
X-Force: 7001
SecurityFocus: 3201 - glFTPD LIST Denial of Service Vulnerability
OSVDB: 1935 - glFTPD - LIST - Denial of Service Issue
Vulnerability Center: 6664 - DoS in GlFtpd <= 1.23 via LIST Command, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/08/2014 16:35
Updated: 10/01/2025 00:10
Changes: 07/08/2014 16:35 (66), 06/03/2019 12:49 (4), 01/07/2025 23:28 (19), 10/01/2025 00:10 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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