Vulnerability identifier: #VU79787

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-43281

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
wabt
Other software / Other software solutions

Vendor: WebAssembly

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in wasm-interp. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow via the component std::vector>::size() at /bits/stl_vector.h and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

wabt: 1.0.0 - 1.0.32

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External links
http://github.com/WebAssembly/wabt/issues/1981

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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.