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Juniper Junos OS: 2023-10 Security Bulletin: Junos OS: MX Series: In a PTP scenario a prolonged routing protocol churn can trigger an FPC reboot (JSA73165) (CVE-2023-44199)

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Juniper Junos OS: 2023-10 Security Bulletin: Junos OS: MX Series: In a PTP scenario a prolonged routing protocol churn can trigger an FPC reboot (JSA73165) (CVE-2023-44199)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
10/11/2023
Created
10/12/2023
Added
10/12/2023
Modified
12/06/2023

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 a network-based, unauthenticated attacker to cause a Denial of Service (DoS). On Junos MX Series platforms with Precision Time Protocol (PTP) configured, a prolonged routing protocol churn can lead to an FPC crash and restart. This issue affects Juniper Networks Junos OS on MX Series: * All versions prior to 20.4R3-S4; * 21.1 version 21.1R1 and later versions; * 21.2 versions prior to 21.2R3-S2; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3; * 22.1 versions prior to 22.1R3; * 22.2 versions prior to 22.2R1-S1, 22.2R2.

Solution(s)

  • juniper-junos-os-upgrade-latest

References

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