PT-2023-3063 · Juniper Networks · Junos

Published

2023-04-12

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Updated

2023-05-02

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CVE-2023-28976

CVSS v2.0

7.8

High

VectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on MX Series versions prior to 19.1R3-S10 Juniper Networks Junos OS on MX Series 19.2 versions prior to 19.2R3-S7 Juniper Networks Junos OS on MX Series 19.3 versions prior to 19.3R3-S8 Juniper Networks Junos OS on MX Series 19.4 versions prior to 19.4R3-S11 Juniper Networks Junos OS on MX Series 20.2 versions prior to 20.2R3-S5 Juniper Networks Junos OS on MX Series 20.4 versions prior to 20.4R3-S6 Juniper Networks Junos OS on MX Series 21.1 versions prior to 21.1R3-S5 Juniper Networks Junos OS on MX Series 21.2 versions prior to 21.2R3-S4 Juniper Networks Junos OS on MX Series 21.3 versions prior to 21.3R3 Juniper Networks Junos OS on MX Series 21.4 versions prior to 21.4R3 Juniper Networks Junos OS on MX Series 22.1 versions prior to 22.1R2
Description An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). If specific traffic is received on MX Series and its rate exceeds the respective DDoS protection limit, the ingress PFE will crash and restart. Continued receipt of this traffic will create a sustained DoS condition.
Recommendations For Juniper Networks Junos OS on MX Series versions prior to 19.1R3-S10, update to version 19.1R3-S10 or later. For Juniper Networks Junos OS on MX Series 19.2 versions prior to 19.2R3-S7, update to version 19.2R3-S7 or later. For Juniper Networks Junos OS on MX Series 19.3 versions prior to 19.3R3-S8, update to version 19.3R3-S8 or later. For Juniper Networks Junos OS on MX Series 19.4 versions prior to 19.4R3-S11, update to version 19.4R3-S11 or later. For Juniper Networks Junos OS on MX Series 20.2 versions prior to 20.2R3-S5, update to version 20.2R3-S5 or later. For Juniper Networks Junos OS on MX Series 20.4 versions prior to 20.4R3-S6, update to version 20.4R3-S6 or later. For Juniper Networks Junos OS on MX Series 21.1 versions prior to 21.1R3-S5, update to version 21.1R3-S5 or later. For Juniper Networks Junos OS on MX Series 21.2 versions prior to 21.2R3-S4, update to version 21.2R3-S4 or later. For Juniper Networks Junos OS on MX Series 21.3 versions prior to 21.3R3, update to version 21.3R3 or later. For Juniper Networks Junos OS on MX Series 21.4 versions prior to 21.4R3, update to version 21.4R3 or later. For Juniper Networks Junos OS on MX Series 22.1 versions prior to 22.1R2, update to version 22.1R2 or later.

Fix

DoS

Improper Check for Exceptional Conditions

Weakness Enumeration

CWE-754

Related Identifiers

BDU:2023-03132
CVE-2023-28976

Affected Products

Junos