#VU30300 Integer overflow in Teeworlds - CVE-2019-20787

Vulnerability identifier: #VU30300

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-20787

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Teeworlds
Client/Desktop applications / Games

Vendor: Teeworlds

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Teeworlds before 0.7.4 has an integer overflow when computing a tilemap size.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Teeworlds: 0.7.0 - 0.7.3.1

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External links
https://lists.opensuse.org/opensuse-security-announce/2020-04/msg00044.html
https://lists.opensuse.org/opensuse-security-announce/2020-04/msg00045.html
https://www.teeworlds.com/forum/viewtopic.php?pid=123860

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.