Riskcovery

CVE-2024-39553

Junos OS Evolved: Receipt of arbitrary data when sampling service is enabled, leads to partial Denial of Service (DoS).

State
Published
Severity
6.9 Medium
Published
Jul 11, 2024
Updated
Aug 2, 2024
Reserved
Jun 25, 2024

Read the record on cve.org

Description

An Exposure of Resource to Wrong Sphere vulnerability in the sampling service of Juniper Networks Junos OS Evolved allows an unauthenticated network-based attacker to send arbitrary data to the device, which leads msvcsd process to crash with limited availability impacting Denial of Service (DoS) and allows unauthorized network access to the device, potentially impacting system integrity.

This issue only happens when inline jflow is configured.

This does not impact any forwarding traffic. The impacted services MSVCS-DB app crashes momentarily and recovers by itself.

This issue affects Juniper Networks Junos OS Evolved:  * 21.4 versions earlier than 21.4R3-S7-EVO;  * 22.2 versions earlier than 22.2R3-S3-EVO; * 22.3 versions earlier than 22.3R3-S2-EVO; * 22.4 versions earlier than 22.4R3-EVO; * 23.2 versions earlier than 23.2R1-S2-EVO, 23.2R2-EVO.

Scores

CVSSScoreVectorSource
4.06.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:L/R:Ajuniper
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Ljuniper

Weaknesses

  • CWE-668 Exposure of Resource to Wrong Sphere

Affected Products

ProductVersions
Junos OS EvolvedJuniper Networks
  • 21.4-EVO to before 21.4R3-S7-EVOAffected
  • 22.2-EVO to before 22.2R3-S3-EVOAffected
  • 22.3-EVO to before 22.3R3-S2-EVOAffected
  • 22.4-EVO to before 22.4R3-EVOAffected
  • 23.2-EVO to before 23.2R1-S2-EVO, 23.2R2-EVOAffected

References

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