Junos OS Evolved: Receipt of arbitrary data when sampling service is enabled, leads to partial Denial of Service (DoS).
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.
Problem Types
| Type | CWE ID | Description |
|---|
| CWE | CWE-668 | CWE-668: Exposure of Resource to Wrong Sphere |
Type: CWE
Description: CWE-668: Exposure of Resource to Wrong Sphere
Metrics
| Version | Base score | Base severity | Vector |
|---|
| 3.1 | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
| 4.0 | 6.9 | MEDIUM | CVSS: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:A |
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector: CVSS: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:A
Timeline
| Event | Date |
|---|
| Initial Publication | 2024-07-10 16:00:00 |
Event: Initial Publication
Date: 2024-07-10 16:00:00