gsd-2022-32296
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ("Double-Hash Port Selection Algorithm") of RFC 6056.
Aliases
Aliases
CVE-2022-32296


To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-32296",
    "description": "The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used.",
    "id": "GSD-2022-32296",
    "references": [
      "https://www.suse.com/security/cve/CVE-2022-32296.html",
      "https://www.debian.org/security/2022/dsa-5173",
      "https://alas.aws.amazon.com/cve/html/CVE-2022-32296.html",
      "https://ubuntu.com/security/CVE-2022-32296"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-32296"
      ],
      "details": "The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 (\"Double-Hash Port Selection Algorithm\") of RFC 6056.",
      "id": "GSD-2022-32296",
      "modified": "2023-12-13T01:19:12.993391Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
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        "ID": "CVE-2022-32296",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
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          }
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      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5",
            "refsource": "MISC",
            "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5"
          },
          {
            "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9",
            "refsource": "MISC",
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9"
          },
          {
            "name": "[debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"
          },
          {
            "name": "DSA-5173",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2022/dsa-5173"
          },
          {
            "name": "https://arxiv.org/abs/2209.12993",
            "refsource": "MISC",
            "url": "https://arxiv.org/abs/2209.12993"
          },
          {
            "name": "https://github.com/0xkol/rfc6056-device-tracker",
            "refsource": "MISC",
            "url": "https://github.com/0xkol/rfc6056-device-tracker"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.17.9",
                "vulnerable": true
              }
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            "operator": "OR"
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        ]
      },
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        "description": {
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            }
          ]
        },
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                  "value": "CWE-203"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5",
              "refsource": "MISC",
              "tags": [
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                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5"
            },
            {
              "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9"
            },
            {
              "name": "[debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"
            },
            {
              "name": "DSA-5173",
              "refsource": "DEBIAN",
              "tags": [],
              "url": "https://www.debian.org/security/2022/dsa-5173"
            },
            {
              "name": "https://arxiv.org/abs/2209.12993",
              "refsource": "MISC",
              "tags": [],
              "url": "https://arxiv.org/abs/2209.12993"
            },
            {
              "name": "https://github.com/0xkol/rfc6056-device-tracker",
              "refsource": "MISC",
              "tags": [],
              "url": "https://github.com/0xkol/rfc6056-device-tracker"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 2.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2022-09-28T15:15Z",
      "publishedDate": "2022-06-05T22:15Z"
    }
  }
}


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