Access of Uninitialized Pointer in Wasmtime - CVE-2022-23636
Published: February 18, 2022
Vulnerability identifier: #VU60715
CSH Severity: Low
CVSS v4: 5.9 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-23636
CWE-ID: CWE-824
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a flaw in the pooling instance allocator. A local attacker can send a specially crafted request using an uninitialized pointer and perform a denial of service (DoS) attack.
Affected software
Wasmtime
How to mitigate CVE-2022-23636
Install updates from vendor's website.
Wasmtime - addressed in versions 0.33.1, 0.34.1