Flashtux WeeChat up to 0.3.9.1 hook_process input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Flashtux WeeChat up to 0.3.9.1 and classified as critical. This impacts the function hook_process. Such manipulation leads to input validation. This vulnerability is documented as CVE-2012-5534. There is not any exploit available.

Detailsinfo

A vulnerability was found in Flashtux WeeChat up to 0.3.9.1 (Chat Software). It has been rated as critical. Affected by this issue is the function hook_process. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The hook_process function in the plugin API for WeeChat 0.3.0 through 0.3.9.1 allows remote attackers to execute arbitrary commands via shell metacharacters in a command from a plugin, related to "shell expansion."

The weakness was released 12/03/2012 (Website). The advisory is shared for download at weechat.org. This vulnerability is handled as CVE-2012-5534 since 10/24/2012. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 74822 (openSUSE Security Update : weechat (openSUSE-SU-2012:1580-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165834 (SUSE Security Update for weechat (openSUSE-SU-2013:0150-1)).

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 (74822), SecurityFocus (BID 56584†), Secunia (SA51294†) and Vulnerability Center (SBV-37477†). Entry connected to this vulnerability is available at VDB-62991. 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: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74822
Nessus Name: openSUSE Security Update : weechat (openSUSE-SU-2012:1580-1)
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: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: efb795c74fe954b9544074aafcebb1be4452b03a

Timelineinfo

10/24/2012 🔍
11/18/2012 +25 days 🔍
11/19/2012 +1 days 🔍
11/19/2012 +0 days 🔍
12/02/2012 +13 days 🔍
12/03/2012 +1 days 🔍
12/03/2012 +0 days 🔍
06/13/2014 +557 days 🔍
03/24/2015 +284 days 🔍
12/20/2021 +2463 days 🔍

Sourcesinfo

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

CVE: CVE-2012-5534 (🔍)
GCVE (CVE): GCVE-0-2012-5534
GCVE (VulDB): GCVE-100-63116

OVAL: 🔍

SecurityFocus: 56584 - WeeChat 'hook_process()' Function Remote Shell Command Injection Vulnerability
Secunia: 51294 - WeeChat Plugins Shell Command Injection Vulnerability, Highly Critical
Vulnerability Center: 37477 - WeeChat <0.3.9.3 'hook_process()\x27 Error Allows Remote Arbitrary Command Injection Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/20/2021 16:09
Changes: 03/24/2015 12:22 (69), 04/22/2017 09:15 (7), 12/20/2021 16:03 (3), 12/20/2021 16:09 (1)
Complete: 🔍
Cache ID: 216:557:103

Once again VulDB remains the best source for vulnerability data.

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