Vulnerability-Lookup

GHSA-HXMW-J74G-J23W

Vulnerability from github – Published: 2024-04-12 18:33 – Updated: 2025-02-06 21:32

Details

A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).

When Layer 2 traffic is sent through a logical interface, MAC learning happens. If during this process, the interface flaps, an Advanced Forwarding Toolkit manager (evo-aftmand-bt) core is observed. This leads to a PFE restart. The crash reoccurs if the same sequence of events happens, which will lead to a sustained DoS condition.

This issue affects Juniper Networks Junos OS Evolved: 23.2-EVO versions earlier than 23.2R1-S1-EVO, 23.2R2-EVO.

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.1 (High)


                  
                    CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2024-30403"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-04-12T16:15:40Z",
    "severity": "MODERATE"
  },
  "details": "A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).\n\nWhen Layer 2 traffic is sent through a logical interface, MAC learning happens. If during this process, the interface flaps,\u00a0an\u00a0Advanced Forwarding Toolkit manager (evo-aftmand-bt) core is observed. This leads to a PFE restart. The crash reoccurs if the same sequence of events happens, which will lead to a sustained DoS condition.\n\nThis issue affects Juniper Networks Junos OS Evolved:\n23.2-EVO versions earlier than 23.2R1-S1-EVO, 23.2R2-EVO.",
  "id": "GHSA-hxmw-j74g-j23w",
  "modified": "2025-02-06T21:32:06Z",
  "published": "2024-04-12T18:33:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-30403"
    },
    {
      "type": "WEB",
      "url": "https://supportportal.juniper.net/JSA79181"
    },
    {
      "type": "WEB",
      "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"
    },
    {
      "type": "WEB",
      "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
    }
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      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
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CVE-2024-30403 (GCVE-0-2024-30403)

Vulnerability from cvelistv5 – Published: 2024-04-12 15:28 – Updated: 2024-08-02 01:32

Title

Junos OS Evolved: When MAC learning happens, and an interface gets flapped, the PFE crashes

Summary

A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When Layer 2 traffic is sent through a logical interface, MAC learning happens. If during this process, the interface flaps, an Advanced Forwarding Toolkit manager (evo-aftmand-bt) core is observed. This leads to a PFE restart. The crash reoccurs if the same sequence of events happens, which will lead to a sustained DoS condition. This issue affects Juniper Networks Junos OS Evolved 23.2-EVO versions earlier than 23.2R1-S1-EVO, 23.2R2-EVO.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.1 (High)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-22 17:34 UTC

CWE

CWE-476 - NULL Pointer Dereference
Denial of Service (DoS)

Assigner

juniper CNA under the mitre root

CNA scorecard B 85/100 over 175 records in the last 180 days details

References

2 references

URL	Tags
https://supportportal.juniper.net/JSA79181	vendor-advisory
https://www.first.org/cvss/calculator/4.0#CVSS:4.…	technical-description

Impacted products

2 products

Vendor	Product	Version
Juniper Networks	Junos OS Evolved	Affected: 23.2-EVO , < 23.2R1-S1-EVO, 23.2R2-EVO (semver)
juniper	junos_os_evolved	Affected: 23.2-evo , < 23.2r1-s1-evo (semver) Affected: 23.2-evo , < 23.2r2-evo (semver) cpe:2.3:o:juniper:junos_os_evolved::::::::

Date Public

2024-04-10 16:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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