SB2022021811 - Multiple vulnerabilities in Bytecode Alliance Wasmtime
Published: February 18, 2022
Security Bulletin ID
SB2022021811
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Access of Uninitialized Pointer (CVE-ID: CVE-2022-23636)
CWE-ID: CWE-824 - Access of Uninitialized Pointer
CVSSv4: 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/E:U/U:Clear
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.
Remediation
Install update from vendor's website.