CVE-2023-22398

Junos OS and Junos OS Evolved: RPD might crash when MPLS ping is performed on BGP LSPs

State: Published
Severity: 5.3 Medium
Published: Jan 12, 2023
Updated: Apr 7, 2025
Reserved: Dec 27, 2022

Description

An Access of Uninitialized Pointer vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS). When an MPLS ping is performed on BGP LSPs, the RPD might crash. Repeated execution of this operation will lead to a sustained DoS. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S12; 19.1 versions prior to 19.1R3-S9; 19.2 versions prior to 19.2R1-S9, 19.2R3-S5; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R2-S7, 19.4R3-S8; 20.1 versions prior to 20.1R3-S4; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R1-S1, 21.1R2; Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R2-EVO.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	juniper

Weaknesses

CWE-824 Access of Uninitialized Pointer

Affected Products

Product	Versions
Junos OSJuniper Networks	15.1 to before 15.1R7-S12Affected 19.1 to before 19.1R3-S9Affected 19.2 to before 19.2R1-S9, 19.2R3-S5Affected 19.3 to before 19.3R3-S6Affected 19.4 to before 19.4R2-S7, 19.4R3-S8Affected 20.1 to before 20.1R3-S4Affected 20.2 to before 20.2R3-S5Affected 20.3 to before 20.3R3-S5Affected 20.4 to before 20.4R3-S4Affected 21.1 to before 21.1R1-S1, 21.1R2Affected
Junos OS EvolvedJuniper Networks	before 20.4R3-S4-EVOAffected 21.1 to before 21.1R2-EVOAffected

References

https://kb.juniper.net/JSA70181

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