CVE-2011-3009
MEDIUM severity · CVSS 5 · CWE-310
5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)2%
AV:N/AC:L/Au:N/C:P/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2011/07/20/1 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2011/07/20/1Patch
- http://redmine.ruby-lang.org/issues/show/4338
- http://rhn.redhat.com/errata/RHSA-2012-0070.html
- http://www.redhat.com/support/errata/RHSA-2011-1581.html
- http://www.securityfocus.com/bid/49126
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69157