CVE-2023-22308 (GCVE-0-2023-22308)

Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2024-08-02 10:07
VLAI?
Summary
An integer underflow vulnerability exists in the vpnserver OvsProcessData functionality of SoftEther VPN 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
Impacted products
Vendor Product Version
SoftEther VPN SoftEther VPN Affected: 5.01.9674
Affected: 5.02
Create a notification for this product.
Credits
Discovered by Lilith >_> of Cisco Talos.
Show details on NVD website
To clipboard 

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          "dateUpdated": "2024-08-02T10:07:06.157Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
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            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1737"
          },
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            "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1737",
            "tags": [
              "x_transferred"
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            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1737"
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "product": "SoftEther VPN",
          "vendor": "SoftEther VPN",
          "versions": [
            {
              "status": "affected",
              "version": "5.01.9674"
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              "version": "5.02"
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      ],
      "credits": [
        {
          "lang": "en",
          "value": "Discovered by Lilith \u0026gt;_\u0026gt; of Cisco Talos."
        }
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      "descriptions": [
        {
          "lang": "en",
          "value": "An integer underflow vulnerability exists in the vpnserver OvsProcessData functionality of SoftEther VPN 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
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              "type": "CWE"
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        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
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          "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1737",
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1737"
        }
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  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2023-22308",
    "datePublished": "2023-10-12T15:27:54.061Z",
    "dateReserved": "2023-03-24T14:45:23.224Z",
    "dateUpdated": "2024-08-02T10:07:06.157Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.