CVE-2023-44192 (GCVE-0-2023-44192)
Vulnerability from cvelistv5
Published
2023-10-12 23:03
Modified
2024-09-18 14:21
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
- Denial of Service (DoS)
Summary
An Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service (DoS).
On all Junos OS QFX5000 Series platforms, when pseudo-VTEP (Virtual Tunnel End Point) is configured under EVPN-VXLAN scenario, and specific DHCP packets are transmitted, DMA memory leak is observed. Continuous receipt of these specific DHCP packets will cause memory leak to reach 99% and then cause the protocols to stop working and traffic is impacted, leading to Denial of Service (DoS) condition. A manual reboot of the system recovers from the memory leak.
To confirm the memory leak, monitor for "sheaf:possible leak" and "vtep not found" messages in the logs.
This issue affects:
Juniper Networks Junos OS QFX5000 Series:
* All versions prior to 20.4R3-S6;
* 21.1 versions prior to 21.1R3-S5;
* 21.2 versions prior to 21.2R3-S5;
* 21.3 versions prior to 21.3R3-S4;
* 21.4 versions prior to 21.4R3-S3;
* 22.1 versions prior to 22.1R3-S2;
* 22.2 versions prior to 22.2R2-S2, 22.2R3;
* 22.3 versions prior to 22.3R2-S1, 22.3R3;
* 22.4 versions prior to 22.4R1-S2, 22.4R2.
References
| ► | URL | Tags | |||
|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Version: 0 ≤ Version: 21.1 ≤ Version: 21.2 ≤ Version: 21.3 ≤ Version: 21.4 ≤ Version: 22.1 ≤ Version: 22.2 ≤ Version: 22.3 ≤ Version: 22.4 ≤ |
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A manual reboot of the system recovers from the memory leak.\\n\\nTo confirm the memory leak, monitor for \\\"sheaf:possible leak\\\" and \\\"vtep not found\\\" messages in the logs.\\n\\nThis issue affects:\\n\\nJuniper Networks Junos OS QFX5000 Series:\\n\\n\\n\\n * All versions prior to 20.4R3-S6;\\n * 21.1 versions prior to 21.1R3-S5;\\n * 21.2 versions prior to 21.2R3-S5;\\n * 21.3 versions prior to 21.3R3-S4;\\n * 21.4 versions prior to 21.4R3-S3;\\n * 22.1 versions prior to 22.1R3-S2;\\n * 22.2 versions prior to 22.2R2-S2, 22.2R3;\\n * 22.3 versions prior to 22.3R2-S1, 22.3R3;\\n * 22.4 versions prior to 22.4R1-S2, 22.4R2.\\n\\n\\n\\n\\n\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\\n\\n\u003cp\u003eAn Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service (DoS).\u003c/p\u003e\u003cp\u003eOn all Junos OS QFX5000 Series platforms, when pseudo-VTEP (Virtual Tunnel End Point) is configured under EVPN-VXLAN scenario, and specific DHCP packets are transmitted, DMA memory leak is observed. Continuous receipt of these specific DHCP packets will cause memory leak to reach 99% and then cause the protocols to stop working and traffic is impacted, leading to Denial of Service (DoS) condition. A manual reboot of the system recovers from the memory leak.\u003c/p\u003e\u003cp\u003eTo confirm the memory leak, monitor for \\\"sheaf:possible leak\\\" and \\\"vtep not found\\\" messages in the logs.\u003c/p\u003e\u003cp\u003eThis issue affects:\u003c/p\u003e\u003cp\u003eJuniper Networks Junos OS QFX5000 Series:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions prior to 20.4R3-S6;\u003c/li\u003e\u003cli\u003e21.1 versions prior to 21.1R3-S5;\u003c/li\u003e\u003cli\u003e21.2 versions prior to 21.2R3-S5;\u003c/li\u003e\u003cli\u003e21.3 versions prior to 21.3R3-S4;\u003c/li\u003e\u003cli\u003e21.4 versions prior to 21.4R3-S3;\u003c/li\u003e\u003cli\u003e22.1 versions prior to 22.1R3-S2;\u003c/li\u003e\u003cli\u003e22.2 versions prior to 22.2R2-S2, 22.2R3;\u003c/li\u003e\u003cli\u003e22.3 versions prior to 22.3R2-S1, 22.3R3;\u003c/li\u003e\u003cli\u003e22.4 versions prior to 22.4R1-S2, 22.4R2.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\\n\\n\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-20\", \"description\": \"CWE-20 Improper Input Validation\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"description\": \"Denial of Service (DoS)\"}]}], \"configurations\": [{\"lang\": \"en\", \"value\": \"For this issue to surface, shared tunnels need to be configured under EVPN-VXLAN scenario.\\n\\n[ forwarding-options evpn-vxlan shared-tunnels ]\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eFor this issue to surface, shared tunnels need to be configured under EVPN-VXLAN scenario.\u003c/p\u003e\u003ctt\u003e[ forwarding-options evpn-vxlan shared-tunnels ]\u003c/tt\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2023-10-12T23:03:45.324Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-44192\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-18T14:21:02.483Z\", \"dateReserved\": \"2023-09-26T19:30:27.954Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2023-10-12T23:03:45.324Z\", \"assignerShortName\": \"juniper\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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