FileZilla FileZilla Server 0.8.1 memory corruption

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

Summaryinfo

A vulnerability, which was classified as critical, was found in FileZilla FileZilla Server 0.8.1. Affected is an unknown function. The manipulation results in memory corruption. This vulnerability is reported as CVE-2009-0884. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in FileZilla FileZilla Server 0.8.1 (File Transfer Software). It has been classified as critical. Affected is some 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 availability. CVE summarizes:

Buffer overflow in FileZilla Server before 0.9.31 allows remote attackers to cause a denial of service via unspecified vectors related to SSL/TLS packets.

The bug was discovered 03/03/2009. The weakness was disclosed 03/12/2009 (Website). The advisory is shared for download at vupen.com. This vulnerability is traded as CVE-2009-0884 since 03/12/2009. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 45112 (FileZilla Server < 0.9.31 Denial of Service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27298 (FileZilla Server SSL/TLS Unspecified Buffer Overflow Denial Of Service Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49107), Tenable (45112), SecurityFocus (BID 34006†), OSVDB (52698†) and Secunia (SA34089†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

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: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 45112
Nessus Name: FileZilla Server < 0.9.31 Denial of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900519
OpenVAS Name: FileZilla Server Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/03/2009 🔍
03/03/2009 +0 days 🔍
03/03/2009 +0 days 🔍
03/05/2009 +2 days 🔍
03/05/2009 +0 days 🔍
03/05/2009 +0 days 🔍
03/12/2009 +7 days 🔍
03/12/2009 +0 days 🔍
03/12/2009 +0 days 🔍
03/17/2009 +5 days 🔍
03/19/2010 +367 days 🔍
03/17/2015 +1824 days 🔍
04/20/2025 +3687 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0884 (🔍)
GCVE (CVE): GCVE-0-2009-0884
GCVE (VulDB): GCVE-100-47112
X-Force: 49107
SecurityFocus: 34006 - FileZilla Server SSL/TLS Unspecified Buffer Overflow Denial Of Service Vulnerability
Secunia: 34089 - FileZilla Server SSL/TLS Denial of Service Vulnerability, Moderately Critical
OSVDB: 52698 - FileZilla Server - SSL.TLS Unspecified Buffer Overflow Denial Of Service Issue
SecurityTracker: 1021812
Vulnerability Center: 21301 - FileZilla Server < 0.9.31 SSL/TLS Buffer Overflow Remote DoS Vulnerability, Critical
Vupen: ADV-2009-0603

Entryinfo

Created: 03/17/2015 23:38
Updated: 04/20/2025 03:29
Changes: 03/17/2015 23:38 (78), 08/30/2019 18:53 (5), 04/20/2025 03:29 (18)
Complete: 🔍
Cache ID: 216::103

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