Pureftpd Pure-FTPd up to 0.x input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

A vulnerability classified as problematic has been found in Pureftpd Pure-FTPd up to 0.x (File Transfer Software). Affected is an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

The glob implementation in Pure-FTPd before 1.0.32, and in libc in NetBSD 5.1, does not properly expand expressions containing curly brackets, which allows remote authenticated users to cause a denial of service (memory consumption) via a crafted FTP STAT command.

The weakness was published 05/24/2011 by Maksymilian Arciemowicz (Website). The advisory is available at cvsweb.netbsd.org. This vulnerability is traded as CVE-2011-0418 since 01/11/2011. The exploitability is told to be easy. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Maksymilian Arciemowicz in ANSI C and been published 2 years after the advisory. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 55387 (Fedora 14 : pure-ftpd-1.0.32-1.fc14 (2011-7374)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 0.95-pre3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (67230), Tenable (55387) and Exploit-DB (24450).

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

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Nessus ID: 55387
Nessus Name: Fedora 14 : pure-ftpd-1.0.32-1.fc14 (2011-7374)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 69765
OpenVAS Name: FreeBSD Ports: pure-ftpd
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Pure-FTPd 0.95-pre3

Timelineinfo

01/11/2011 🔍
05/02/2011 +111 days 🔍
05/24/2011 +22 days 🔍
05/24/2011 +0 days 🔍
05/24/2011 +0 days 🔍
05/31/2011 +7 days 🔍
06/22/2011 +22 days 🔍
02/05/2013 +594 days 🔍
02/05/2013 +0 days 🔍
03/23/2015 +776 days 🔍
11/07/2021 +2421 days 🔍

Sourcesinfo

Advisory: cvsweb.netbsd.org
Researcher: Maksymilian Arciemowicz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0418 (🔍)
X-Force: 67230
Vulnerability Center: 31604 - Pure-FTPd \x3C1.0.32 and NetBSD 5.1 glob Implementation Allows Remote Users to Cause DoS, Medium
SecurityFocus: 47671 - GNU libc glob(3) 'pattern' Remote Denial of Service Vulnerability
Vupen: ADV-2011-1273

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/07/2021 18:20
Changes: 03/23/2015 16:50 (62), 03/23/2017 07:42 (19), 11/07/2021 18:20 (3)
Complete: 🔍

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