Flashtux WeeChat up to 0.3.4 input validation

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Flashtux WeeChat. This vulnerability affects unknown code. This manipulation causes input validation. This vulnerability is handled as CVE-2011-1428. There is not any exploit available.

Detailsinfo

A vulnerability was found in Flashtux WeeChat (Chat Software). It has been declared as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL chat server via an arbitrary certificate, related to incorrect use of the GnuTLS API.

The weakness was released 03/16/2011 (Website). It is possible to read the advisory at savannah.nongnu.org. This vulnerability is known as CVE-2011-1428 since 03/16/2011. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 55494 (Fedora 15 : weechat-0.3.5-1.fc15 (2011-7843)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora 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 Tenable (55494), SecurityFocus (BID 46612†), Secunia (SA43543†) and Vulnerability Center (SBV-32146†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Chat Software

Vendor

• Flashtux

Name

• WeeChat

Version

• 0.0.1
• 0.0.2
• 0.0.3
• 0.0.4
• 0.0.5
• 0.0.6
• 0.0.7
• 0.0.8
• 0.0.9
• 0.1.0
• 0.1.1
• 0.1.2
• 0.1.3
• 0.1.4
• 0.1.5
• 0.1.6
• 0.1.7
• 0.1.8
• 0.1.9
• 0.2.0
• 0.2.1
• 0.2.2
• 0.2.3
• 0.2.4
• 0.2.5
• 0.2.6
• 0.2.6.1
• 0.2.6.2
• 0.2.6.3
• 0.3.0
• 0.3.1
• 0.3.1.1
• 0.3.2
• 0.3.3
• 0.3.4

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 55494
Nessus Name: Fedora 15 : weechat-0.3.5-1.fc15 (2011-7843)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892598
OpenVAS Name: Debian Security Advisory DSA 2598-1 (weechat - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: c265cad1c95b84abfd4e8d861f25926ef13b5d91

Timelineinfo

03/01/2011 🔍
03/16/2011 +15 days 🔍
03/16/2011 +0 days 🔍
03/16/2011 +0 days 🔍
03/16/2011 +0 days 🔍
03/27/2011 +11 days 🔍
07/05/2011 +100 days 🔍
07/10/2011 +5 days 🔍
03/20/2015 +1349 days 🔍
10/19/2021 +2405 days 🔍

Sourcesinfo

Advisory: savannah.nongnu.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1428 (🔍)
GCVE (CVE): GCVE-0-2011-1428
GCVE (VulDB): GCVE-100-56851

OVAL: 🔍

SecurityFocus: 46612 - WeeChat SSL Certificate Validation Security Bypass Vulnerability
Secunia: 43543 - WeeChat SSL Certificate Validation Security Issue, Less Critical
Vulnerability Center: 32146 - WeeChat 0.3.4 and earlier Remote Spoofing Vulnerability, Medium

Entryinfo

Created: 03/20/2015 16:16
Updated: 10/19/2021 17:52
Changes: 03/20/2015 16:16 (59), 03/25/2017 21:25 (13), 10/19/2021 17:44 (4), 10/19/2021 17:52 (1)
Complete: 🔍
Cache ID: 216:BF1:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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