CVE-2024-30384: Junos OS: EX4300 Series: If a specific CLI command is issued PFE crashes will occur
First published: Fri Apr 12 2024(Updated: )
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on EX4300 Series allows a locally authenticated attacker with low privileges to cause a Denial-of-Service (Dos). If a specific CLI command is issued, a PFE crash will occur. This will cause traffic forwarding to be interrupted until the system self-recovers. This issue affects Junos OS: All versions before 20.4R3-S10, 21.2 versions before 21.2R3-S7, 21.4 versions before 21.4R3-S6.
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| Any of | ||
| Junos OS Evolved | <20.4 | |
| Junos OS Evolved | =20.4 | |
| Junos OS Evolved | =20.4-r1 | |
| Junos OS Evolved | =20.4-r1-s1 | |
| Junos OS Evolved | =20.4-r2 | |
| Junos OS Evolved | =20.4-r2-s1 | |
| Junos OS Evolved | =20.4-r2-s2 | |
| Junos OS Evolved | =20.4-r3 | |
| Junos OS Evolved | =20.4-r3-s1 | |
| Junos OS Evolved | =20.4-r3-s2 | |
| Junos OS Evolved | =20.4-r3-s3 | |
| Junos OS Evolved | =20.4-r3-s4 | |
| Junos OS Evolved | =20.4-r3-s5 | |
| Junos OS Evolved | =20.4-r3-s6 | |
| Junos OS Evolved | =20.4-r3-s7 | |
| Junos OS Evolved | =20.4-r3-s8 | |
| Junos OS Evolved | =20.4-r3-s9 | |
| Junos OS Evolved | =21.2 | |
| Junos OS Evolved | =21.2-r1 | |
| Junos OS Evolved | =21.2-r1-s1 | |
| Junos OS Evolved | =21.2-r1-s2 | |
| Junos OS Evolved | =21.2-r2 | |
| Junos OS Evolved | =21.2-r2-s1 | |
| Junos OS Evolved | =21.2-r2-s2 | |
| Junos OS Evolved | =21.2-r3 | |
| Junos OS Evolved | =21.2-r3-s1 | |
| Junos OS Evolved | =21.2-r3-s2 | |
| Junos OS Evolved | =21.2-r3-s3 | |
| Junos OS Evolved | =21.2-r3-s4 | |
| Junos OS Evolved | =21.2-r3-s5 | |
| Junos OS Evolved | =21.2-r3-s6 | |
| Junos OS Evolved | =21.4-r1 | |
| Junos OS Evolved | =21.4-r1-s1 | |
| Junos OS Evolved | =21.4-r1-s2 | |
| Junos OS Evolved | =21.4-r2 | |
| Junos OS Evolved | =21.4-r2-s1 | |
| Junos OS Evolved | =21.4-r2-s2 | |
| Junos OS Evolved | =21.4-r3 | |
| Junos OS Evolved | =21.4-r3-s1 | |
| Junos OS Evolved | =21.4-r3-s2 | |
| Junos OS Evolved | =21.4-r3-s3 | |
| Junos OS Evolved | =21.4-r3-s4 | |
| Junos OS Evolved | =21.4-r3-s5 | |
| Any of | ||
| Juniper EX4300-24T | ||
| Juniper EX4300-24P | ||
| Juniper EX4300 | ||
| Juniper EX4300-24T-S | ||
| Juniper EX4300 | ||
| Juniper EX4300-32F-S | ||
| Juniper EX4300 | ||
| Juniper EX4300-32F-S | ||
| Juniper EX4300-48MP | ||
| Juniper EX4300-48MP-S | ||
| Juniper EX4300-48P | ||
| Juniper EX4300-48P | ||
| Juniper EX4300-48T-AFI | ||
| Juniper EX4300-48TAFI | ||
| Juniper EX4300-48TDC | ||
| Juniper EX4300-48TDC-AFI | ||
| Juniper EX4300-48T-S | ||
| Juniper JUNOS | <20.4R3-S10 | |
| Juniper JUNOS | <21.2R3-S7 | |
| Juniper JUNOS | <21.4R3-S6 |
Remedy
The following software releases have been updated to resolve this specific issue: 20.4R3-S10, 21.2R3-S7, 21.4R3-S6, and all subsequent releases of these branches.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-30384?
CVE-2024-30384 has been assigned a CVSS score indicating a medium severity vulnerability with potential for Denial-of-Service.
How do I fix CVE-2024-30384?
To mitigate CVE-2024-30384, update Junos OS to the latest recommended version that addresses this vulnerability.
Who is affected by CVE-2024-30384?
CVE-2024-30384 affects Juniper Networks Junos OS running on EX4300 Series devices.
What type of vulnerability is CVE-2024-30384?
CVE-2024-30384 is categorized as an Improper Check for Unusual or Exceptional Conditions, leading to a Denial-of-Service.
Can CVE-2024-30384 be exploited by unauthenticated users?
No, CVE-2024-30384 requires a locally authenticated attacker with low privileges to exploit.
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