PT-2011-4247 · Ruby+2 · Ruby+2

Published 2011-08-05 · Updated 2017-08-29 · CVE-2011-3009

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Ruby versions prior to 1.8.6-p114

Description The issue makes it easier for attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process. This occurs because the random seed is not reset upon forking.

Recommendations For versions prior to 1.8.6-p114, update to version 1.8.6-p114 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-310

Related Identifiers

CVE-2011-3009

RHSA-2011:1581

RHSA-2011_1581

RHSA-2012:0070

RHSA-2012_0070

RHSA-2026:7305

RHSA-2026:7307

RHSA-2026:8838

Affected Products

Red Hat

Ruby

Suse

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2011-3009 · Security Note
• http://rhn.redhat.com/errata/RHSA-2012-0070.html · Vendor Advisory
• http://redhat.com/support/errata/RHSA-2011-1581.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2011-1581.html · Vendor Advisory
• http://openwall.com/lists/oss-security/2011/07/20/1 · Patch
• http://redmine.ruby-lang.org/issues/show/4338 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69157 · Note
• http://securityfocus.com/bid/49126 · Note