CVE-2023-4929 (GCVE-0-2023-4929)

Vulnerability from cvelistv5 – Published: 2023-10-03 13:54 – Updated: 2024-09-23 13:29
VLAI?
Title
NPort 5000 Series Firmware Improper Validation of Integrity Check Vulnerability
Summary
All firmware versions of the NPort 5000 Series are affected by an improper validation of integrity check vulnerability. This vulnerability results from insufficient checks on firmware updates or upgrades, potentially allowing malicious users to manipulate the firmware and gain control of devices.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CWE
  • CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
Impacted products
Vendor Product Version
Moxa NPort 5000AI-M12 Series Affected: 1.0 , ≤ 1.5 (custom)
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[{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2.12\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Moxa\", \"product\": \"NPort 5200A Series\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"1.6\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Moxa\", \"product\": \"NPort 5400 Series\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"3.14\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Moxa\", \"product\": \"NPort 5600 Series\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"3.11\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Moxa\", \"product\": \"NPort 5600-DT Series\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2.9\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Moxa\", \"product\": \"NPort IA5000 Series\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2.1\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Moxa\", \"product\": \"NPort IA5000A Series\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2.0\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Moxa\", \"product\": \"NPort IA5000A-I/O Series\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2.0\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Moxa\", \"product\": \"NPort IAW5000A-I/O Series\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2.2\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Moxa\", \"product\": \"NPort P5150A Series\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"1.6\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Due to design restrictions, we could not fix this vulnerability in NPort 5000 Series. We suggest users follow the instructions in the  hardening guide https://www.moxa.com/getmedia/67b5e549-a125-4a6a-b99b-23017c75cfc1/moxa-the-security-hardening-guide-for-the-nport-5000-series-tech-note-v1.1.pdf  in order to mitigate this vulnerability. Additionally, refer to the following mitigation measures to deploy the product in an appropriate product security context. \\n\\nMoxa recommends users follow these CISA recommendations. Users should \\n\\n  *  Reduce network exposure by ensuring that all control system devices and systems are not accessible from the Internet.\\n  *  Place control system networks and remote devices behind firewalls, isolating them from business networks.\\n  *  When remote access is necessary, employ secure methods such as Virtual Private Networks (VPNs). It is important to note that VPNs may have vulnerabilities and should be kept up to date with the latest available version. Remember that the security of a VPN depends on the security of its connected devices.\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eDue to design restrictions, we could not fix this vulnerability in NPort 5000 Series. We suggest users follow the instructions in the \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://www.moxa.com/getmedia/67b5e549-a125-4a6a-b99b-23017c75cfc1/moxa-the-security-hardening-guide-for-the-nport-5000-series-tech-note-v1.1.pdf\\\"\u003e\u003cu\u003ehardening guide\u003c/u\u003e\u003c/a\u003e in order to mitigate this vulnerability. Additionally, refer to the following mitigation measures to deploy the product in an appropriate product security context. \u003c/p\u003e\u003cp\u003eMoxa recommends users follow these CISA recommendations. Users should \u003c/p\u003e\u003col\u003e\u003cli\u003eReduce network exposure by ensuring that all control system devices and systems are not accessible from the Internet.\u003c/li\u003e\u003cli\u003ePlace control system networks and remote devices behind firewalls, isolating them from business networks.\u003c/li\u003e\u003cli\u003eWhen remote access is necessary, employ secure methods such as Virtual Private Networks (VPNs). It is important to note that VPNs may have vulnerabilities and should be kept up to date with the latest available version. Remember that the security of a VPN depends on the security of its connected devices.\u003c/li\u003e\u003c/ol\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.moxa.com/en/support/product-support/security-advisory/mpsa-233328-nport-5000-series-firmware-improper-validation-of-integrity-check-vulnerability\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"All firmware versions of the NPort 5000 Series are affected by an improper validation of integrity check vulnerability. This vulnerability results from insufficient checks on firmware updates or upgrades, potentially allowing malicious users to manipulate the firmware and gain control of devices.\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eAll firmware versions of the NPort 5000 Series are affected by an improper validation of integrity check vulnerability. This vulnerability results from insufficient checks on firmware updates or upgrades, potentially allowing malicious users to manipulate the firmware and gain control of devices.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-354\", \"description\": \"CWE-354 Improper Validation of Integrity Check Value\"}]}], \"providerMetadata\": {\"orgId\": \"2e0a0ee2-d866-482a-9f5e-ac03d156dbaa\", \"shortName\": \"Moxa\", \"dateUpdated\": \"2023-10-03T13:54:49.293Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-4929\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-23T13:29:04.471Z\", \"dateReserved\": \"2023-09-13T01:12:13.466Z\", \"assignerOrgId\": \"2e0a0ee2-d866-482a-9f5e-ac03d156dbaa\", \"datePublished\": \"2023-10-03T13:54:49.293Z\", \"assignerShortName\": \"Moxa\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.