#VU75586 Reliance on undefined behavior in Wasmtime - CVE-2023-30624

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Main Vulnerability Database Vulnerabilities #VU75586

#VU75586 Reliance on undefined behavior in Wasmtime - CVE-2023-30624

Published: April 28, 2023


Vulnerability identifier: #VU75586
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-30624
CWE-ID: CWE-758
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Wasmtime
Software vendor:
Bytecode Alliance

Description

The vulnerability allows a remote attacker to influence application's behavior.

The vulnerability exists due to LLVM-level undefined behavior when managing per-instance state. A remote attacker can leverage this vulnerability to cause runtime-level issues when compiled with LLVM 16, which can influence application behavior.


Remediation

Install updates from vendor's website.

External links