SB2022120611 - Multiple vulnerabilities in Wasmtime



SB2022120611 - Multiple vulnerabilities in Wasmtime

Published: December 6, 2022

Security Bulletin ID SB2022120611
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 33% Low 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2022-39392)

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within zero-memory-pages configuration. A remote administrator can trigger out-of-bounds write and execute arbitrary code on the target system.


2) Information disclosure (CVE-ID: CVE-2022-39393)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application between instances in the pooling allocator. A remote attacker can gain unauthorized access to sensitive information on the system.


3) Out-of-bounds write (CVE-ID: CVE-2022-39394)

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in "wasmtime_trap_code" C API function. A remote administrator can trigger out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.