SB20240806329 - Amazon Linux AMI update for python3.9



SB20240806329 - Amazon Linux AMI update for python3.9

Published: August 6, 2024

Security Bulletin ID SB20240806329
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Deserialization of Untrusted Data (CVE-ID: CVE-2022-42919)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Python multiprocessing library, when used with the forkserver start method on Linux allows pickles to be deserialized from any user in the same machine local network namespace, which in many system configurations means any user on the same machine.A local user can execute arbitrary code with privileges of the user running the any forkserver process.


2) Resource exhaustion (CVE-ID: CVE-2022-45061)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to usage of an unnecessary quadratic algorithm in one path when processing some inputs to the IDNA (RFC 3490) decoder. A remote attacker can pass a specially crafted name to he decoder, trigger resource excessive CPU consumption and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.