CVE-2024-6343 (GCVE-0-2024-6343)

Vulnerability from cvelistv5 – Published: 2024-09-03 01:28 – Updated: 2024-09-03 13:47
VLAI?
Summary
A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.
Severity ?
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
Zyxel ATP series firmware Affected: versions V4.32 through V5.38
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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-6343\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-03T13:47:22.473001Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-03T13:47:27.069Z\"}}], \"cna\": {\"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.9, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Zyxel\", \"product\": \"ATP series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"versions V4.32 through V5.38\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Zyxel\", \"product\": \"USG FLEX series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"versions V4.50 through V5.38\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Zyxel\", \"product\": \"USG FLEX 50(W) series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"versions V4.16 through V5.38\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Zyxel\", \"product\": \"USG20(W)-VPN series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"versions V4.16 through V5.38\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-09-03-2024\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-120\", \"description\": \"CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"96e50032-ad0d-4058-a115-4d2c13821f9f\", \"shortName\": \"Zyxel\", \"dateUpdated\": \"2024-09-03T01:38:00.832Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-6343\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-03T13:47:31.099Z\", \"dateReserved\": \"2024-06-26T03:23:36.684Z\", \"assignerOrgId\": \"96e50032-ad0d-4058-a115-4d2c13821f9f\", \"datePublished\": \"2024-09-03T01:28:27.056Z\", \"assignerShortName\": \"Zyxel\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.




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.