A vulnerability classified as problematic has been found in OpenTTD up to 1.1.4. This affects an unknown part of the component Join Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. The summary by CVE is:

OpenTTD before 1.1.5 contains a Denial of Service (slow read attack) that prevents users from joining the server.

The weakness was disclosed 11/07/2019 (Website). The advisory is shared at security.openttd.org. This vulnerability is uniquely identified as CVE-2012-0049 since 12/07/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 57718 (Fedora 16 : openttd-1.1.5-1.fc16 (2012-0647)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading to version 1.1.5 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (57718).

Productinfo

Name

• OpenTTD

Version

• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4

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CPE 2.2info

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