SB20240718188 - Red Hat Enterprise Linux 9 update for openssh

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Main Vulnerability Database SB20240718188

SB20240718188 - Red Hat Enterprise Linux 9 update for openssh

Published: July 18, 2024

Security Bulletin ID SB20240718188
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2024-6409)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition in portable version of sshd when handling signals. If a remote attacker does not authenticate within a set time period, then sshd's SIGALRM handler is called asynchronously. A remote non-authenticated attacker can send a series of requests in order to trigger a race condition and execute arbitrary code on the system.

Remediation

Install update from vendor's website.

References