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Unrated severityNVD Advisory· Published Jul 11, 2024· Updated Aug 2, 2024

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

CVE-2024-39553

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.

Affected products

2
  • Juniper Networks/Junos OS Evolvedllm-fuzzy2 versions
    >=21.4 <21.4R3-S7-EVO, >=22.2 <22.2R3-S3-EVO, >=22.3 <22.3R3-S2-EVO, >=22.4 <22.4R3-EVO, >=23.2 <23.2R1-S2-EVO,23.2R2-EVO+ 1 more
    • (no CPE)range: >=21.4 <21.4R3-S7-EVO, >=22.2 <22.2R3-S3-EVO, >=22.3 <22.3R3-S2-EVO, >=22.4 <22.4R3-EVO, >=23.2 <23.2R1-S2-EVO,23.2R2-EVO
    • (no CPE)range: 21.4-EVO

Patches

Vulnerability mechanics

References

1

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