the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
Vulnerability Feeds & WidgetsNew  

Vulnerability Details : CVE-2011-3009

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900.
Publish Date : 2011-08-05 Last Update Date : 2017-08-28
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
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)
CWE ID 310

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low
AV:L/AC:L/Au:N/C:P/I:N/A:N 2011-07-07 2011-07-02
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-2011-3009 unix
ELSA-2011-1581 -- ruby security, bug fix, and enhancement update (low) oval:org.mitre.oval:def:27928 unix
ELSA-2012:0070: ruby security update (Moderate) oval:org.mitre.oval:def:23425 unix
RHSA-2011:1581 -- ruby security, bug fix, and enhancement update (Low) oval:org.mitre.oval:def:26914 unix
RHSA-2011:1581: ruby security, bug fix, and enhancement update (Low) oval:com.redhat.rhsa:def:20111581 unix
RHSA-2012:0070: ruby security update (Moderate) oval:com.redhat.rhsa:def:20120070 unix
RHSA-2012:0070: ruby security update (Moderate) oval:org.mitre.oval:def:21332 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-2011-3009

# Product Type Vendor Product Version Update Edition Language
1 Application Ruby-lang Ruby 1.8.6 P110 Version Details Vulnerabilities
2 Application Ruby-lang Ruby 1.8.6 P36 Version Details Vulnerabilities
3 Application Ruby-lang Ruby 1.8.6 P111 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ruby-lang Ruby 3

- References For CVE-2011-3009
BID 49126 Ruby Random Number Values Security Weakness Release Date:2013-05-27
XF ruby-random-number-weak-security(69157)
REDHAT RHSA-2011:1581
REDHAT RHSA-2012:0070
MLIST [oss-security] 20110720 Re: CVE Request: ruby PRNG fixes

- Metasploit Modules Related To CVE-2011-3009

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

CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.