SB2024071608 - Denial of service in Junos OS on MX Series with SPC3 line card



SB2024071608 - Denial of service in Junos OS on MX Series with SPC3 line card

Published: July 16, 2024

Security Bulletin ID SB2024071608
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Missing release of memory after effective lifetime (CVE-ID: CVE-2024-39550)

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

The vulnerability exists due to missing release of memory after effective lifetime error in the rtlogd process. A remote non-authenticated attacker can trigger internal events cause (which can be done by repeated port flaps) to cause a slow memory leak, ultimately leading to a Denial of Service (DoS).


Remediation

Install update from vendor's website.