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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 : 2012-11-06
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
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
2.1
AV:L/AC:L/Au:N/C:P/I:N/A:N 2011-07-07 2011-07-02
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-3009 oval:org.opensuse.security:def:20113009 unix
ELSA-2012:0070: ruby security update (Moderate) oval:org.mitre.oval:def:23425 unix
RHSA-2012:0070: ruby security update (Moderate) oval:org.mitre.oval:def:21332 unix
RHSA-2012:0070: ruby security update (Moderate) oval:com.redhat.rhsa:def:20120070 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 P36 Version Details Vulnerabilities
2 Application Ruby-lang Ruby 1.8.6 P111 Version Details Vulnerabilities
3 Application Ruby-lang Ruby 1.8.6 P110 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ruby-lang Ruby 3

- References For CVE-2011-3009

http://www.redhat.com/support/errata/RHSA-2011-1581.html
REDHAT RHSA-2011:1581
http://www.securityfocus.com/bid/49126
BID 49126 Ruby Random Number Values Security Weakness Release Date:2013-05-27
http://www.openwall.com/lists/oss-security/2011/07/20/1
MLIST [oss-security] 20110720 Re: CVE Request: ruby PRNG fixes
http://rhn.redhat.com/errata/RHSA-2012-0070.html
REDHAT RHSA-2012:0070
http://redmine.ruby-lang.org/issues/show/4338
http://xforce.iss.net/xforce/xfdb/69157
XF ruby-random-number-weak-security(69157)

- Metasploit Modules Related To CVE-2011-3009

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


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