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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

13 years ago

Modified

Modified

5 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.

Common Vulnerabilities and Exposures (CVE)