SB2022062842 - Incorrect calculation in Wasmtime

Description

This security bulletin contains information about 1 vulnerability.

1) Incorrect calculation (CVE-ID: CVE-2022-31104)

CWE-ID: CWE-682 - Incorrect Calculation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to cause incorrect program execution within a guest program.

The vulnerability exists due to improper instruction lowering in Cranelift swizzle lowering when executing the i8x16.swizzle WebAssembly instruction on x86_64 hosts. A remote attacker can execute a specially crafted WebAssembly program to cause incorrect program execution within a guest program.

Only x86_64 hosts with WebAssembly SIMD support are affected.

Remediation

Install update from vendor's website.

References

• https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-jqwc-c49r-4w2x
• https://github.com/advisories/GHSA-jqwc-c49r-4w2x