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OpenTTD 'NetworkSyncCommandQueue()' 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:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
12 years ago
Modified
Modified
4 years ago
Summary
This host is installed with OpenTTD and is prone to denial of service vulnerability.
Insight
Insight
The flaw is due to the 'NetworkSyncCommandQueue()' function in 'src/network/network_command.cpp' not properly resetting the 'next' pointer, which can be exploited to trigger an endless loop and exhaust CPU resources when joining a server.
Affected Software
Affected Software
OpenTTD version 1.0.2 and prior.
Solution
Solution
Upgrade to the latest version of OpenTTD 1.0.3 or later.