PureFTPd up to 1.0.18 Connection accept_client denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in PureFTPd. Impacted is the function accept_client of the component Connection Handler. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2004-0656. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in PureFTPd (File Transfer Software). This vulnerability affects the function accept_client of the component Connection Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a denial of service by exceeding the maximum number of connections.

The weakness was published 08/06/2004 (Website). The advisory is shared for download at gentoo.org. This vulnerability was named CVE-2004-0656 since 07/09/2004. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 14537 (GLSA-200407-04 : Pure-FTPd: Potential DoS when maximum connections is reached), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (16611), Tenable (14537), SecurityFocus (BID 10664†) and Vulnerability Center (SBV-28871†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• File Transfer Software

Name

• PureFTPd

Version

• 0.96
• 1.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.11
• 1.0.12
• 1.0.13a
• 1.0.14
• 1.0.15
• 1.0.16
• 1.0.16a
• 1.0.16b
• 1.0.16c
• 1.0.17a
• 1.0.18

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 14537
Nessus Name: GLSA-200407-04 : Pure-FTPd: Potential DoS when maximum connections is reached
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 54611
OpenVAS Name: Gentoo Security Advisory GLSA 200407-04 (Pure-FTPd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/04/2004 🔍
07/05/2004 +1 days 🔍
07/09/2004 +4 days 🔍
08/06/2004 +28 days 🔍
08/06/2004 +0 days 🔍
08/30/2004 +24 days 🔍
12/29/2010 +2312 days 🔍
04/14/2015 +1567 days 🔍
06/30/2021 +2269 days 🔍

Sourcesinfo

Advisory: gentoo.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2004-0656 (🔍)
GCVE (CVE): GCVE-0-2004-0656
GCVE (VulDB): GCVE-100-22060
X-Force: 16611
SecurityFocus: 10664 - PureFTPd Accept_Client Remote Denial of Service Vulnerability
Vulnerability Center: 28871 - PureFTPd 1.0.18 and Earlier Remote DoS Vulnerability, Medium

Entryinfo

Created: 04/14/2015 13:16
Updated: 06/30/2021 07:39
Changes: 04/14/2015 13:16 (59), 03/12/2017 08:55 (10), 06/30/2021 07:39 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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