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Vulnerability Details : CVE-2011-4357

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.
Publish Date : 2011-12-10 Last Update Date : 2017-08-29
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute Code
CWE ID 134

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2355-1 clearsilver -- format string vulnerability oval:org.mitre.oval:def:15125 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-4357

# Product Type Vendor Product Version Update Edition Language
1 Application Brandon Long Clearsilver * * * * Version Details Vulnerabilities
2 Application Brandon Long Clearsilver 0.1 * * * Version Details Vulnerabilities
3 Application Brandon Long Clearsilver 0.2 * * * Version Details Vulnerabilities
4 Application Brandon Long Clearsilver 0.2.1 * * * Version Details Vulnerabilities
5 Application Brandon Long Clearsilver 0.3 * * * Version Details Vulnerabilities
6 Application Brandon Long Clearsilver 0.4 * * * Version Details Vulnerabilities
7 Application Brandon Long Clearsilver 0.5 * * * Version Details Vulnerabilities
8 Application Brandon Long Clearsilver 0.6 * * * Version Details Vulnerabilities
9 Application Brandon Long Clearsilver 0.7 * * * Version Details Vulnerabilities
10 Application Brandon Long Clearsilver 0.7.1 * * * Version Details Vulnerabilities
11 Application Brandon Long Clearsilver 0.7.2 * * * Version Details Vulnerabilities
12 Application Brandon Long Clearsilver 0.8.0 * * * Version Details Vulnerabilities
13 Application Brandon Long Clearsilver 0.8.1 * * * Version Details Vulnerabilities
14 Application Brandon Long Clearsilver 0.9.0 * * * Version Details Vulnerabilities
15 Application Brandon Long Clearsilver 0.9.1 * * * Version Details Vulnerabilities
16 Application Brandon Long Clearsilver 0.9.2 * * * Version Details Vulnerabilities
17 Application Brandon Long Clearsilver 0.9.3 * * * Version Details Vulnerabilities
18 Application Brandon Long Clearsilver 0.9.6 * * * Version Details Vulnerabilities
19 Application Brandon Long Clearsilver 0.9.7 * * * Version Details Vulnerabilities
20 Application Brandon Long Clearsilver 0.9.14 * * * Version Details Vulnerabilities
21 Application Brandon Long Clearsilver 0.10.1 * * * Version Details Vulnerabilities
22 Application Brandon Long Clearsilver 0.10.2 * * * Version Details Vulnerabilities
23 Application Brandon Long Clearsilver 0.10.3 * * * Version Details Vulnerabilities
24 Application Brandon Long Clearsilver 0.10.4 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Brandon Long Clearsilver 24

- References For CVE-2011-4357

http://osvdb.org/77419
OSVDB 77419
http://www.debian.org/security/2011/dsa-2355
DEBIAN DSA-2355
http://secunia.com/advisories/47016
SECUNIA 47016
http://tech.groups.yahoo.com/group/ClearSilver/message/1422 CONFIRM
http://www.openwall.com/lists/oss-security/2011/11/27/1
MLIST [oss-security] 20111127 CVE Request -- ClearSilver (neo_cgi) -- Format string flaw by processing CGI error messages in Python module
http://code.google.com/p/clearsilver/source/detail?r=919 CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilities/71599
XF clearsilver-neocgi-format-string(71599)

- Metasploit Modules Related To CVE-2011-4357

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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