Vulnerability identifier: #VU73808
Vulnerability risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Wasmtime
Web applications /
Modules and components for CMS
Vendor: Bytecode Alliance
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to miscompilation of "i8x16.select" with the same inputs on x86_64. A remote user can cause the WebAssembly instruction to produce incorrect results for the i8x16.select instruction.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Wasmtime: 0.2.0 - 6.0.0
External links
http://docs.rs/wasmtime/latest/wasmtime/struct.Config.html#method.wasm_simd
http://groups.google.com/a/bytecodealliance.org/g/sec-announce/c/Mov-ItrNJsQ
http://github.com/webassembly/simd
http://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-xm67-587q-r2vw
http://github.com/bytecodealliance/wasmtime/commit/5dc2bbccbb363e474d2c9a1b8e38a89a43bbd5d1
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.