Secunia Logo
Netsikker nu! 2008
 
Ruby "cgi.rb" Denial of Service Vulnerability
Secunia Advisory: SA13123
Release Date: 2004-11-08
Last Update: 2006-12-12
Popularity: 11,191 views

Critical:
Less critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:Ruby 1.8.x

Subscribe: Instant alerts on relevant vulnerabilities

CVE reference:CVE-2004-0983
CVE-2006-5467
CVE-2006-6303


Description:
Two vulnerabilities have been reported in Ruby, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) An input validation error in "cgi.rb" can be exploited to consume a large amount of CPU resources by sending a specially crafted HTTP POST request.

2) An unspecified error in "cgi.rb" when handling certain HTTP requests can be exploited to consume a large amount of CPU resources by sending a specially crafted HTTP request.

Solution:
Update to 1.8.5-p2.

Provided and/or discovered by:
Reported by vendor.

Changelog:
2006-10-27: Previous patch is incomplete. Updated "Solution" section, added new link and CVE reference.
2006-12-04: Updated "Solution" section. Added information on second vulnerability.
2006-12-12: Added CVE reference.

Original Advisory:
Ruby:
http://www.ruby-lang.org/en/news/2006/11/03/CVE-2006-5467/
http://www.ruby-lang.org/en/news/2006...her-dos-vulnerability-in-cgi-library/

http://www.debian.org/security/2004/dsa-586
http://rubyforge.org/pipermail/mongrel-users/2006-October/001946.html

Other References:
JVN:
http://jvn.jp/jp/JVN%2384798830/index.html


Track this Secunia Advisory
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.

Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.

About this Secunia Advisory
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
  
Latest Advisories

Send Feedback to Secunia
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.

Ideas, suggestions, and other feedback are most welcome.

Most Popular - 3 Hours

1. phpBB Avatar Functions Information Disclosure and Deletion // 143 views
2. phpBB Avatar Script Insertion Vulnerability // 125 views
3. phpBB "url" bbcode Script Insertion Vulnerability // 107 views
4. phpBB BBcode "url" Script Insertion Vulnerability // 82 views
5. ArticleBeach Script "page" File Inclusion Vulnerability // 63 views
6. phpBB reveals user IPs // 30 views
7. Sun Java System Web Proxy Server FTP Subsystem Buffer Overflow // 29 views
8. CA ARCserve Backup Multiple Vulnerabilities // 25 views
9. DFF PHP Framework API "DFF_config[dir_include]" File Inclusion Vulnerabilities // 25 views
10. FUJITSU Interstage Products Apache Tomcat Security Bypass // 23 views