#VU79784 Input validation error in wabt - CVE-2023-27116

Vulnerability identifier: #VU79784

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-27116

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
wabt
Other software / Other software solutions

Vendor: WebAssembly

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in CWriter::MangleType(). A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

wabt: 1.0.0 - 1.0.32

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External links
https://github.com/WebAssembly/wabt/issues/1984
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OSFFCKXUQ5PAC5UVXY7N6HEHVQ3AC2RG/

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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.