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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2023-44199

Junos OS: MX Series: In a PTP scenario a prolonged routing protocol churn can trigger an FPC reboot

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Status
Published
Published
Updated
Assigning organization
juniper

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Juniper Networks Junos OS

Default version status: unaffected

  • 0 to < 20.4R3-S4affected
  • 21.1R1 to < 21.1*affected
  • 21.2 to < 21.2R3-S2affected
  • 21.3 to < 21.3R3-S5affected
  • 21.4 to < 21.4R3affected
  • 22.1 to < 22.1R3affected
  • 22.2 to < 22.2R1-S1, 22.2R2affected

References