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Vulnerability Details : CVE-2011-5036

Rack before 1.1.3, 1.2.x before 1.2.5, and 1.3.x before 1.3.6 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
Publish Date : 2011-12-30 Last Update Date : 2013-10-31
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
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 Service
CWE ID 310

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2783-1 librack-ruby - several oval:org.mitre.oval:def:19513 unix
DSA-2783-2 -- librack-ruby -- several vulnerabilities oval:org.mitre.oval:def:29014 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-2011-5036

# Product Type Vendor Product Version Update Edition Language
1 Application Rack Project Rack * * * * Version Details Vulnerabilities
2 Application Rack Project Rack 1.2.0 * * * Version Details Vulnerabilities
3 Application Rack Project Rack 1.2.1 * * * Version Details Vulnerabilities
4 Application Rack Project Rack 1.2.2 * * * Version Details Vulnerabilities
5 Application Rack Project Rack 1.2.3 * * * Version Details Vulnerabilities
6 Application Rack Project Rack 1.2.4 * * * Version Details Vulnerabilities
7 Application Rack Project Rack 1.3.0 * * * Version Details Vulnerabilities
8 Application Rack Project Rack 1.3.1 * * * Version Details Vulnerabilities
9 Application Rack Project Rack 1.3.2 * * * Version Details Vulnerabilities
10 Application Rack Project Rack 1.3.3 * * * Version Details Vulnerabilities
11 Application Rack Project Rack 1.3.4 * * * Version Details Vulnerabilities
12 Application Rack Project Rack 1.3.5 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Rack Project Rack 12

- References For CVE-2011-5036

http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
BUGTRAQ 20111228 n.runs-SA-2011.004 - web programming languages and platforms - DoS through hash table
http://www.nruns.com/_downloads/advisory28122011.pdf
http://www.ocert.org/advisories/ocert-2011-003.html
https://gist.github.com/52bbc6b9cc19ce330829 CONFIRM
http://www.kb.cert.org/vuls/id/903934
CERT-VN VU#903934
http://www.debian.org/security/2013/dsa-2783
DEBIAN DSA-2783

- Metasploit Modules Related To CVE-2011-5036

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


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