Brandon Long Clearsilver up to 0.10.5 Error Message p_cgi_error format string

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

Summaryinfo

A vulnerability identified as critical has been detected in Brandon Long Clearsilver. The impacted element is the function p_cgi_error of the component Error Message Handler. Performing a manipulation results in format string. This vulnerability is cataloged as CVE-2011-4357. There is no exploit available.

Detailsinfo

A vulnerability was found in Brandon Long Clearsilver. It has been classified as critical. This affects the function p_cgi_error of the component Error Message Handler. The manipulation with an unknown input leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.

The weakness was shared 12/10/2011 by Colin (Website). The advisory is shared at xforce.iss.net. This vulnerability is uniquely identified as CVE-2011-4357. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 56986 (Debian DSA-2355-1 : clearsilver - format string vulnerability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian 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 X-Force (71599), Tenable (56986), SecurityFocus (BID 50874†), OSVDB (77419†) and Vulnerability Center (SBV-33982†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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: Format string
CWE: CWE-134 / CWE-119
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: 56986
Nessus Name: Debian DSA-2355-1 : clearsilver - format string vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70569
OpenVAS Name: Debian Security Advisory DSA 2355-1 (clearsilver)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/04/2011 🔍
11/28/2011 +24 days 🔍
12/01/2011 +3 days 🔍
12/02/2011 +1 days 🔍
12/06/2011 +4 days 🔍
12/10/2011 +4 days 🔍
12/10/2011 +0 days 🔍
03/23/2015 +1199 days 🔍
11/28/2021 +2442 days 🔍

Sourcesinfo

Advisory: DSA-2355
Researcher: Colin
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4357 (🔍)
GCVE (CVE): GCVE-0-2011-4357
GCVE (VulDB): GCVE-100-59649

OVAL: 🔍

X-Force: 71599
SecurityFocus: 50874 - ClearSilver 'neo_cgi' Module Format String Vulnerability
Secunia: 47016
OSVDB: 77419
Vulnerability Center: 33982 - Clearsilver Python CGI Kit \x27neo_cgi\x27 Module Remote Format String Vulnerability Allows Code Execution, High

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/28/2021 09:02
Changes: 03/23/2015 16:50 (60), 04/05/2017 15:03 (10), 11/28/2021 08:53 (6), 11/28/2021 08:58 (1), 11/28/2021 09:02 (2)
Complete: 🔍
Cache ID: 216:9CD:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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