SB2023011176 - Out-of-bounds write in Juniper Junos OS



SB2023011176 - Out-of-bounds write in Juniper Junos OS

Published: January 11, 2023

Security Bulletin ID SB2023011176
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
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) Out-of-bounds write (CVE-ID: CVE-2023-22415)

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

The vulnerability exists due to out-of-bounds write error in the H.323 ALG. A remote non-authenticated attacker can cause Denial of Service (DoS).

On all MX Series and SRX Series platform, when H.323 ALG is enabled and specific H.323 packets are received simultaneously, a flow processing daemon (flowd) crash will occur. Continued receipt of these specific packets will cause a sustained Denial of Service (DoS) condition.

Remediation

Install update from vendor's website.