GSD-2023-1206

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.
Aliases
Aliases
CVE-2023-1206
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{
  "GSD": {
    "alias": "CVE-2023-1206",
    "id": "GSD-2023-1206"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
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        "CVE-2023-1206"
      ],
      "details": "A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel\u2019s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.",
      "id": "GSD-2023-1206",
      "modified": "2023-12-13T01:20:41.728661Z",
      "schema_version": "1.4.0"
    }
  },
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      },
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          }
        ]
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            "refsource": "MISC",
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          },
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            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20230929-0006/"
          },
          {
            "name": "[debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
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            "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
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            "lang": "en",
            "value": "A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel\u2019s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%."
          }
        ],
        "id": "CVE-2023-1206",
        "lastModified": "2024-01-11T19:15:08.937",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 5.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
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                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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        "published": "2023-06-30T22:15:09.747",
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        "vulnStatus": "Modified",
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          }
        ]
      }
    }
  }
}


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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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Detection rules are retrieved from Rulezet.