SB2024021541 - Red Hat Enterprise Linux update for sudo 

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Main Vulnerability Database SB2024021541

SB2024021541 - Red Hat Enterprise Linux update for sudo

Published: February 15, 2024

Security Bulletin ID SB2024021541
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) OS Command Injection (CVE-ID: CVE-2023-28487)

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when processing control characters in the sudoreplay output. A local user can inject specially crafted characters to the log messages and execute arbitrary OS commands on the system.

2) OS Command Injection (CVE-ID: CVE-2023-28486)

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when processing control characters in the log messages. A local user can inject specially crafted characters to the log messages and execute arbtirary OS commands on the system when the command is executed from the log (e.g. via the "sudoreplay -l").


3) Improper Authentication (CVE-ID: CVE-2023-42465)

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to insufficient resistance to rowhammer attacks. A local user can bypass authentication process and gain unauthorized access to the system.


Remediation

Install update from vendor's website.

References