Flashtux WeeChat 0.2.6 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Flashtux WeeChat 0.2.6. The affected element is an unknown function. The manipulation results in input validation. This vulnerability is identified as CVE-2009-0661. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Flashtux WeeChat 0.2.6 (Chat Software). Affected is some unknown functionality. 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:

Wee Enhanced Environment for Chat (WeeChat) 0.2.6 allows remote attackers to cause a denial of service (crash) via an IRC PRIVMSG command containing crafted color codes that trigger an out-of-bounds read.

The bug was discovered 03/17/2009. The weakness was released 03/19/2009 (Website). The advisory is shared for download at vupen.com. This vulnerability is traded as CVE-2009-0661 since 02/22/2009. 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 was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 36233 (Fedora 10 : weechat-0.2.6.1-1.fc10 (2009-2859)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116299 (WeeChat IRC Message Denial of Service Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49295), Tenable (36233), SecurityFocus (BID 34148†), OSVDB (52763†) and Secunia (SA34304†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 36233
Nessus Name: Fedora 10 : weechat-0.2.6.1-1.fc10 (2009-2859)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63609
OpenVAS Name: Debian Security Advisory DSA 1744-1 (weechat)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

02/22/2009 🔍
03/17/2009 +23 days 🔍
03/17/2009 +0 days 🔍
03/18/2009 +1 days 🔍
03/18/2009 +0 days 🔍
03/19/2009 +0 days 🔍
03/19/2009 +0 days 🔍
03/19/2009 +0 days 🔍
03/20/2009 +1 days 🔍
03/22/2009 +2 days 🔍
04/23/2009 +32 days 🔍
03/17/2015 +2154 days 🔍
05/03/2025 +3700 days 🔍

Sourcesinfo

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

CVE: CVE-2009-0661 (🔍)
GCVE (CVE): GCVE-0-2009-0661
GCVE (VulDB): GCVE-100-47196

OVAL: 🔍

X-Force: 49295
SecurityFocus: 34148 - WeeChat IRC Message Remote Denial Of Service Vulnerability
Secunia: 34304 - WeeChat IRC Message Denial of Service, Not Critical
OSVDB: 52763 - WeeChat IRC Color Code Message Handling DoS
Vulnerability Center: 21331 - Wee Enhanced Environment for Chat 0.2.6 Remote Denial of Service via a Crafted IRC PRIVMSG Command, Medium
Vupen: ADV-2009-0758

Entryinfo

Created: 03/17/2015 23:38
Updated: 05/03/2025 12:07
Changes: 03/17/2015 23:38 (82), 08/31/2019 06:06 (3), 05/03/2025 12:07 (22)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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