CVE Database


Impact: Low
Public: 2011-07-02
Bugzilla: 722415: CVE-2011-2686 CVE-2011-2705 CVE-2011-3009 ruby: Properly initialize the random number generator when forking new process


The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2011-3009 from the MITRE CVE dictionary and NIST NVD.


The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw in Red Hat Enterprise Linux 4 and 5.

CVSS v2 metrics

Base Score: 2.1
Base Metrics: AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector: Local
Access Complexity: Low
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: None
Availability Impact: None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 4 (ruby) RHSA-2012:0070 January 30, 2012
Red Hat Enterprise Linux version 5 (ruby) RHSA-2012:0070 January 30, 2012
Red Hat Enterprise Linux version 6 (ruby) RHSA-2011:1581 December 05, 2011

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.