SB2023102553 - Denial of service in Junos OS and Junos OS Evolved



SB2023102553 - Denial of service in Junos OS and Junos OS Evolved

Published: October 25, 2023

Security Bulletin ID SB2023102553
CSH 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 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2023-44197)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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 Routing Protocol Daemon (rpd) when  processing BGP route updates received over an established BGP session. A remote non-authenticated attacker can cause a Denial of Service (DoS).


Remediation

Install update from vendor's website.