A vulnerability, which was classified as critical, was found in Teeworlds 0.7.2. Affected is the function CDataFileReader::Open of the file engine/shared/datafile.cpp. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Teeworlds 0.7.2, there is an integer overflow in CDataFileReader::Open() in engine/shared/datafile.cpp that can lead to a buffer overflow and possibly remote code execution, because size-related multiplications are mishandled.

The bug was discovered 03/23/2019. The weakness was presented 04/05/2019 (Website). The advisory is shared for download at lists.fedoraproject.org. This vulnerability is traded as CVE-2019-10879 since 04/05/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

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.

See VDB-133066 and VDB-133067 for similar entries.

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• Teeworlds

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• 0.7.2

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• 🔍

CPE 2.2info

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