A vulnerability, which was classified as critical, has been found in Teeworlds 0.7.2. This issue affects the function CDataFileReader::GetData of the file engine/shared/datafile.cpp. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Teeworlds 0.7.2, there is a failed bounds check in CDataFileReader::GetData() and CDataFileReader::ReplaceData() and related functions in engine/shared/datafile.cpp that can lead to an arbitrary free and out-of-bounds pointer write, possibly resulting in remote code execution.

The bug was discovered 03/23/2019. The weakness was disclosed 04/05/2019 (Website). It is possible to read the advisory at lists.fedoraproject.org. The identification of this vulnerability is CVE-2019-10878 since 04/05/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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• Teeworlds

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• 0.7.2

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CPE 2.2info

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