SB2024110714 - Security restrictions bypass in Wasmtime
Published: November 7, 2024
Security Bulletin ID
SB2024110714
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incomplete list of disallowed inputs (CVE-ID: CVE-2024-51745)
CWE-ID: CWE-184 - Incomplete List of Disallowed Inputs
CVSSv4: 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
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.
Remediation
Install update from vendor's website.
References
- 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