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Vulnerability Details : CVE-2006-6303

The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart content, which allows remote attackers to cause a denial of service (infinite loop) via crafted HTTP requests, a different issue than CVE-2006-5467.
Publish Date : 2006-12-06 Last Update Date : 2017-10-10
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- CVSS Scores & Vulnerability Types

CVSS Score
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 399

- Vendor Statements

Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch. For other versions of Red Hat Enterprise Linux see
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low 2006-12-04 2006-12-04
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2006-6303 unix
RHSA-2007:0961: ruby security update (Moderate) oval:com.redhat.rhsa:def:20070961 unix
RHSA-2008:0562: ruby security update (Moderate) oval:com.redhat.rhsa:def:20080562 unix
The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart cont... oval:org.mitre.oval:def:10529 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-2006-6303

# Product Type Vendor Product Version Update Edition Language
1 Application Yukihiro Matsumoto Ruby 1.8 Version Details Vulnerabilities
2 Application Yukihiro Matsumoto Ruby 1.8.1 Version Details Vulnerabilities
3 Application Yukihiro Matsumoto Ruby 1.8.2 Version Details Vulnerabilities
4 Application Yukihiro Matsumoto Ruby 1.8.2 Pre1 Version Details Vulnerabilities
5 Application Yukihiro Matsumoto Ruby 1.8.2 Pre2 Version Details Vulnerabilities
6 Application Yukihiro Matsumoto Ruby 1.8.3 Version Details Vulnerabilities
7 Application Yukihiro Matsumoto Ruby 1.8.4 Version Details Vulnerabilities
8 Application Yukihiro Matsumoto Ruby 1.8.5 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Yukihiro Matsumoto Ruby 8

- References For CVE-2006-6303
XF ruby-cgi-library-dos(30734)
VUPEN ADV-2006-4855
VUPEN ADV-2007-1939
BID 21441 Ruby CGI.RB Library Remote Denial Of Service Vulnerability Release Date:2008-07-14
REDHAT RHSA-2007:0961
SUSE SUSE-SR:2007:004
SECTRACK 1017363
GENTOO GLSA-200612-21
APPLE APPLE-SA-2007-05-24

- Metasploit Modules Related To CVE-2006-6303

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

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