On all Junos OS and Junos OS Evolved, when a specific L2VPN command is run, RPD will crash and restart. Continued execution of this specific command will create a sustained Denial of Service (DoS) condition.
This issue affects:
Juniper Networks Junos OS
All versions prior to 19.3R3-S10;
20.1 versions prior to 20.1R3-S4;
20.2 versions prior to 20.2R3-S6;
20.3 versions prior to 20.3R3-S6;
20.4 versions prior to 20.4R3-S5;
21.1 versions prior to 21.1R3-S4;
21.2 versions prior to 21.2R3-S3;
21.3 versions prior to 21.3R3-S2;
21.4 versions prior to 21.4R3;
22.1 versions prior to 22.1R3;
22.2 versions prior to 22.2R2;
22.3 versions prior to 22.3R2;
Juniper Networks Junos OS Evolved
All versions prior to 20.4R3-S7-EVO;
21.1 versions prior to 21.1R3-S3-EVO;
21.2 versions prior to 21.2R3-S5-EVO;
21.3 versions prior to 21.3R3-S4-EVO;
21.4 versions prior to 21.4R3-EVO;
22.1 versions prior to 22.1R3-EVO;
22.2 versions prior to 22.2R2-EVO;
22.3 versions prior to 22.3R2-EVO;
No CVSS v4.0
Attack Vector Local
Attack Complexity Low
Privileges Required Low
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
User Interaction None
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
The EPSS score is 0.00069.
Exploitation none
Automatable no
Technical Impact partial
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS | unaffected |
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| Juniper Networks | Junos OS Evolved | unaffected |
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Configuration 1 [-]
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Configuration 2 [-]
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Tracking
Sign in to view the affected projects.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-40760 | A Reachable Assertion vulnerability in Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a locally-based, low-privileged attacker to cause a Denial of Service (DoS). On all Junos OS and Junos OS Evolved, when a specific L2VPN command is run, RPD will crash and restart. Continued execution of this specific command will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS All versions prior to 19.3R3-S10; 20.1 versions prior to 20.1R3-S4; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S2; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R3; 22.2 versions prior to 22.2R2; 22.3 versions prior to 22.3R2; Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S7-EVO; 21.1 versions prior to 21.1R3-S3-EVO; 21.2 versions prior to 21.2R3-S5-EVO; 21.3 versions prior to 21.3R3-S4-EVO; 21.4 versions prior to 21.4R3-EVO; 22.1 versions prior to 22.1R3-EVO; 22.2 versions prior to 22.2R2-EVO; 22.3 versions prior to 22.3R2-EVO; |
Solution
The following software releases have been updated to resolve this specific issue: Junos OS: 19.3R3-S7, 19.4R3-S10, 20.2R3-S6, 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S2, 21.4R3, 22.1R3, 22.2R2, 22.3R2, 22.4R1, and all subsequent releases; Junos OS Evolved: 20.4R3-S7-EVO, 21.4R3-EVO, 22.1R3-EVO, 22.2R2-EVO, 22.3R2-EVO, 22.4R1-EVO, and all subsequent releases.
Workaround
This issue can be avoided by using access lists or firewall filters to limit access to the device to only trusted hosts, networks and administrators.
| Link | Providers |
|---|---|
| https://supportportal.juniper.net/JSA71647 |
|
Tue, 22 Oct 2024 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Status: PUBLISHED
Assigner: juniper
Published:
Updated: 2024-10-22T14:19:42.371Z
Reserved: 2023-06-27T16:17:25.276Z
Link: CVE-2023-36840
Updated: 2024-08-02T17:01:09.669Z
Status : Modified
Published: 2023-07-14T18:15:10.290
Modified: 2024-11-21T08:10:43.257
Link: CVE-2023-36840
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OpenCVE Enrichment
No data.
EUVD