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Ruby Random Number Generation Local Denial Of Service Vulnerability
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
12 years ago
Modified
Modified
4 years ago
Summary
This host is installed with Ruby and is prone to local denial of service vulnerability.
Insight
Insight
The flaw exists because ruby 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.
Affected Software
Affected Software
Ruby Versions prior to 1.8.7-p352
Solution
Solution
Upgrade to Ruby version 1.8.7-p352 or later