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CVE
PUBLISHED

CVE-2024-39513

Junos OS Evolved: Execution of a specific CLI command will cause a crash in the AFT manager

Assignerjuniper
Reserved2024-06-25
Published2024-07-10
Updated2024-07-11

Description

An Improper Input Validation vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved allows a local, low-privileged attacker to cause a Denial of Service (DoS). When a specific "clear" command is run, the Advanced Forwarding Toolkit manager (evo-aftmand-bt or evo-aftmand-zx) crashes and restarts. The crash impacts all traffic going through the FPCs, causing a DoS. Running the command repeatedly leads to a sustained DoS condition. This issue affects Junos OS Evolved:  * All versions before 20.4R3-S9-EVO,  * from 21.2-EVO before 21.2R3-S7-EVO,  * from 21.3-EVO before 21.3R3-S5-EVO,  * from 21.4-EVO before 21.4R3-S6-EVO,  * from 22.1-EVO before 22.1R3-S4-EVO,  * from 22.2-EVO before 22.2R3-S3-EVO,  * from 22.3-EVO before 22.3R3-S3-EVO,  * from 22.4-EVO before 22.4R3-EVO, * from 23.2-EVO before 23.2R2-EVO.



MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
MEDIUM: 6.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/R:A

Problem types

CWE-20 Improper Input Validation

Product status

Default status
unaffected

Any version before 20.4R3-S9-EVO
affected

21.2-EVO before 21.2R3-S7-EVO
affected

21.3-EVO before 21.3R3-S5-EVO
affected

21.4-EVO before 21.4R3-S6-EVO
affected

22.1-EVO before 22.1R3-S4-EVO
affected

22.2-EVO before 22.2R3-S3-EVO
affected

22.3-EVO before 22.3R3-S3-EVO
affected

22.4-EVO before 22.4R3-EVO
affected

23.2-EVO before 23.2R2-EVO
affected

References

https://supportportal.juniper.net/JSA82978 vendor-advisory

cve.org CVE-2024-39513

nvd.nist.gov CVE-2024-39513

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