An Improper Neutralization of Special Elements vulnerability in the download manager of Juniper Networks Junos OS on SRX Series and EX Series allows a locally authenticated attacker with low privileges to take full control over the device. One aspect of this vulnerability is that the attacker needs to be able to execute any of the "request ..." or "show system download ..." commands. This issue affects Juniper Networks Junos OS on SRX Series and EX Series: All versions prior to 19.2R1-S9, 19.2R3-S5; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S8; 20.1 versions prior to 20.1R3-S4; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2, 20.4R3-S3; 21.1 versions prior to 21.1R3-S1; 21.2 versions prior to 21.2R2-S2, 21.2R3; 21.3 versions prior to 21.3R2, 21.3R3; 21.4 versions prior to 21.4R1-S1, 21.4R2.

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-27368 An Improper Neutralization of Special Elements vulnerability in the download manager of Juniper Networks Junos OS on SRX Series and EX Series allows a locally authenticated attacker with low privileges to take full control over the device. One aspect of this vulnerability is that the attacker needs to be able to execute any of the "request ..." or "show system download ..." commands. This issue affects Juniper Networks Junos OS on SRX Series and EX Series: All versions prior to 19.2R1-S9, 19.2R3-S5; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S8; 20.1 versions prior to 20.1R3-S4; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2, 20.4R3-S3; 21.1 versions prior to 21.1R3-S1; 21.2 versions prior to 21.2R2-S2, 21.2R3; 21.3 versions prior to 21.3R2, 21.3R3; 21.4 versions prior to 21.4R1-S1, 21.4R2.
Fixes

Solution

The following software releases have been updated to resolve this specific issue: 19.1R3-S9, 19.2R1-S9, 19.2R3-S5, 19.4R3-S8, 20.2R3-S4, 20.3R3-S3, 20.4R3-S2, 20.4R3-S3, 21.1R3-S1, 21.2R2-S2, 21.2R3, 21.3R2, 21.3R3, 21.4R1-S1, 21.4R2, 22.1R1, and all subsequent releases.


Workaround

A workaround would be to deny users access to the "request system download ..." and "show system download ..." CLI commands.

References
History

No history.

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cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published:

Updated: 2024-09-17T00:15:46.928Z

Reserved: 2021-12-21T00:00:00

Link: CVE-2022-22221

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-07-20T15:15:09.123

Modified: 2024-11-21T06:46:25.550

Link: CVE-2022-22221

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses