Vulnerability identifier: #VU100035
Vulnerability risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-184
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Wasmtime
Web applications /
Modules and components for CMS
Vendor: Bytecode Alliance
Description
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to improper validation of superscript digits in the device filenames when restricting access to them. A local user can bypass implemented sandbox restrictions and access devices through those special device filenames.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Wasmtime: 20.0.0 - 26.0.0
External links
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-c2f5-jxjv-2hh8
https://github.com/bytecodealliance/cap-std/pull/371
https://github.com/bytecodealliance/wasmtime/releases/tag/v24.0.2
https://github.com/bytecodealliance/wasmtime/releases/tag/v26.0.1
https://github.com/bytecodealliance/wasmtime/releases/tag/v25.0.3
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.