Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Adjacent_network
0

CVE-2023-44204

Disclosure Date: October 13, 2023
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

An Improper Validation of Syntactic Correctness of Input vulnerability in Routing Protocol Daemon (rpd) Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).

When a malformed BGP UPDATE packet is received over an established BGP session, the rpd crashes and restarts.

This issue affects both eBGP and iBGP implementations.

This issue affects:

Juniper Networks Junos OS

  • 21.4 versions prior to 21.4R3-S4;
  • 22.1 versions prior to 22.1R3-S3;
  • 22.2 versions prior to 22.2R3-S2;
  • 22.3 versions prior to 22.3R2-S2, 22.3R3;
  • 22.4 versions prior to 22.4R2-S1, 22.4R3;
  • 23.2 versions prior to 23.2R1, 23.2R2;

Juniper Networks Junos OS Evolved

  • 21.4 versions prior to 21.4R3-S5-EVO;
  • 22.1 versions prior to 22.1R3-S3-EVO;
  • 22.2 versions prior to 22.2R3-S3-EVO;
  • 22.3 versions prior to 22.3R2-S2-EVO;
  • 22.4 versions prior to 22.4R3-EVO;
  • 23.2 versions prior to 23.2R2-EVO;

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CVSS V3 Severity and Metrics
Base Score:
6.5 Medium
Impact Score:
3.6
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Adjacent_network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Additional Info

Technical Analysis