Vulnerability-Lookup

GHSA-HPQW-739G-5CVM

Vulnerability from github – Published: 2024-01-15 15:30 – Updated: 2024-10-10 18:31

Details

PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.

The attacker must have physical USB access to the device in order to exploit this vulnerability.

Severity ?

7.6 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2023-4818"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-74"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-01-15T14:15:25Z",
    "severity": "HIGH"
  },
  "details": "PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.\u00a0\n\n\n\n\nThe attacker must have physical USB access to the device in order to exploit this vulnerability.\n\n",
  "id": "GHSA-hpqw-739g-5cvm",
  "modified": "2024-10-10T18:31:07Z",
  "published": "2024-01-15T15:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4818"
    },
    {
      "type": "WEB",
      "url": "https://blog.stmcyber.com/pax-pos-cves-2023"
    },
    {
      "type": "WEB",
      "url": "https://cert.pl/en/posts/2024/01/CVE-2023-4818"
    },
    {
      "type": "WEB",
      "url": "https://cert.pl/posts/2024/01/CVE-2023-4818"
    },
    {
      "type": "WEB",
      "url": "https://ppn.paxengine.com/release/development"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-4818 (GCVE-0-2023-4818)

Vulnerability from cvelistv5 – Published: 2024-01-15 13:28 – Updated: 2025-06-17 13:36

Summary

PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used. The attacker must have physical USB access to the device in order to exploit this vulnerability.

Severity ?

7.6 (High)


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

CWE

CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Assigner

CERT-PL

References

4 references

URL	Tags
https://ppn.paxengine.com/release/development	vendor-advisory
https://blog.stmcyber.com/pax-pos-cves-2023/	technical-description
https://cert.pl/en/posts/2024/01/CVE-2023-4818/	third-party-advisory
https://cert.pl/posts/2024/01/CVE-2023-4818/	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
PAX Technology	A920	Affected: 0 , < A920_AP_Boot_Release_V5.14 (custom)

Date Public ?

2024-01-15 11:00

Credits

Hubert Jasudowicz, Adam Kliś and other members of STM Cyber R&D team

Show details on NVD website

JSON

To clipboard

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          },
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          },
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        "metrics": [
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
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              "scope": "CHANGED",
              "userInteraction": "NONE",
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-HPQW-739G-5CVM

CVE-2023-4818 (GCVE-0-2023-4818)

Tags

Sightings

Nomenclature