SB2023042810 - Reliance on undefined behavior in Wasmtime
Published: April 28, 2023
Security Bulletin ID
SB2023042810
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Reliance on undefined behavior (CVE-ID: CVE-2023-30624)
CWE-ID: CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
CVSSv4: 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
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 update from vendor's website.