CVE-2024-39522: Junos OS Evolved: CLI parameter processing issue allows privilege escalation
First published: Thu Jul 11 2024(Updated: )
An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to 'root' leading to a full compromise of the system. The Junos OS Evolved CLI doesn't properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level. This issue affects Junos OS Evolved: * 22.3-EVO versions before 22.3R2-EVO, * 22.4-EVO versions before 22.4R1-S1-EVO, 22.4R2-EVO.
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Junos OS Evolved | =22.3 | |
| Junos OS Evolved | =22.3-r1 | |
| Junos OS Evolved | =22.3-r1-s1 | |
| Junos OS Evolved | =22.3-r1-s2 | |
| Junos OS Evolved | =22.4 | |
| Junos OS Evolved | =22.4-r1 |
Remedy
The following software releases have been updated to resolve this specific issue: 22.3R2-EVO, 22.4R1-S1-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-39522?
CVE-2024-39522 is classified as a high severity vulnerability due to its potential for privilege escalation and full system compromise.
How do I fix CVE-2024-39522?
To fix CVE-2024-39522, upgrade Junos OS Evolved to a version that has addressed the vulnerability as specified in vendor advisories.
What is the impact of CVE-2024-39522 on affected systems?
The impact of CVE-2024-39522 allows local, authenticated attackers with low privileges to escalate their access to root level, resulting in full system compromise.
Which versions of Junos OS Evolved are affected by CVE-2024-39522?
Versions 22.3, 22.3-r1, 22.3-r1-s1, 22.3-r1-s2, and 22.4, including their major revisions, are affected by CVE-2024-39522.
Who can exploit CVE-2024-39522?
CVE-2024-39522 can be exploited by local, authenticated attackers who have low privileges on the Junos OS Evolved systems.
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- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/juniper
- canonical/junos os evolved
- version/junos os evolved/22.3
- version/junos os evolved/22.3-r1
- version/junos os evolved/22.3-r1-s1
- version/junos os evolved/22.3-r1-s2
- version/junos os evolved/22.4
- version/junos os evolved/22.4-r1