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    "lang": "en",
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        "category": "summary",
        "text": "Updated tcpdump packages that fix an infinite loop vulnerability and drop\nprivileges on startup are now available.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Tcpdump is a command-line tool for monitoring network traffic. \n\nA vulnerability exists in tcpdump before 3.7.2 and is related to an\ninability to handle unknown RADIUS attributes properly.  This vulnerability\n allows remote attackers to cause a denial of service (infinite loop).\n\nThe Red Hat tcpdump packages advertise that, by default, tcpdump will drop\nprivileges to user \u0027pcap\u0027.  Due to a compilation error this did not\nhappen, and tcpdump would run as root unless the \u0027-U\u0027 flag was specified.\n\nUsers of tcpdump are advised to upgrade to these errata packages, which\ncontain a patch correcting the RADIUS issue and are compiled so that by\ndefault tcpdump will drop privileges to the \u0027pcap\u0027 user.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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{
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      "text": "Moderate"
    },
    "category": "csaf_security_advisory",
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    "distribution": {
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      {
        "category": "summary",
        "text": "Updated tcpdump packages that fix an infinite loop vulnerability and drop\nprivileges on startup are now available.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Tcpdump is a command-line tool for monitoring network traffic. \n\nA vulnerability exists in tcpdump before 3.7.2 and is related to an\ninability to handle unknown RADIUS attributes properly.  This vulnerability\n allows remote attackers to cause a denial of service (infinite loop).\n\nThe Red Hat tcpdump packages advertise that, by default, tcpdump will drop\nprivileges to user \u0027pcap\u0027.  Due to a compilation error this did not\nhappen, and tcpdump would run as root unless the \u0027-U\u0027 flag was specified.\n\nUsers of tcpdump are advised to upgrade to these errata packages, which\ncontain a patch correcting the RADIUS issue and are compiled so that by\ndefault tcpdump will drop privileges to the \u0027pcap\u0027 user.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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      }
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          "product_ids": [
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          "text": "tcpdump does not properly drop privileges to the pcap user when starting up.",
          "title": "Vulnerability description"
        },
        {
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          "text": "security flaw",
          "title": "Vulnerability summary"
        }
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}

{
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    "distribution": {
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        "title": "Topic"
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      {
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        "text": "Tcpdump is a command-line tool for monitoring network traffic. \n\nThe Red Hat tcpdump packages advertise that by default tcpdump will drop\npermissions to user \u0027pcap\u0027.  Due to a compilation error this did not\nhappen, and tcpdump would run as root unless the \u0027-U\u0027 flag was specified.\n\nUsers of tcpdump are advised to upgrade to these errata packages, which\nare compiled so that by default tcpdump will drop privileges to the\n\u0027pcap\u0027 user.\n\nThe BGP decoding routines in tcpdump before 3.6.2 used incorrect bounds\nchecking when copying data, which allows remote attackers to cause a denial\nof service and possibly execute arbitrary code (as the \u0027pcap\u0027 user).\n\nThe RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to\ncause a denial of service (crash) via an invalid RADIUS packet with a\nheader length field of 0. This causes tcpdump to generate data within an\ninfinite loop.\n\nA vulnerability in tcpdump before 3.7.2 is related to an inability to\nhandle unknown RADIUS attributes properly, and allows remote attackers to\ncause a denial of service (infinite loop).\n\nThe ISAKMP parser in tcpdump 3.6 through 3.7.1 allows remote attackers to\ncause a denial of service (CPU consumption) via a malformed ISAKMP packet\nto UDP port 500, causing tcpdump to enter an infinite loop.\n\nVersions of tcpdump up to and including 3.6.2 have a buffer overflow that\ncan be triggered when tracing the network by a bad NFS packet. This issue\nwas found by David Woodhouse of Red Hat.\n\nUsers of tcpdump are advised to upgrade to these errata packages, which\ncontain patches to correct these issues.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_214.json"
      }
    ],
    "title": "Red Hat Security Advisory: : : : Updated tcpdump packages fix various vulnerabilities",
    "tracking": {
      "current_release_date": "2024-11-21T22:45:00+00:00",
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      "notes": [
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          "category": "description",
          "text": "Buffer overflow in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via an NFS packet.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
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        },
        {
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          "summary": "RHBZ#1616767",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616767"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-0380",
          "url": "https://www.cve.org/CVERecord?id=CVE-2002-0380"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0380",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0380"
        }
      ],
      "release_date": "2002-05-31T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-06-30T16:10:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 7.1"
          ],
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            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:214"
        }
      ],
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          "details": "Moderate"
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      ],
      "title": "security flaw"
    },
    {
      "cve": "CVE-2002-1350",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616882"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The BGP decoding routines in tcpdump 3.6.x before 3.7 do not properly copy data, which allows remote attackers to cause a denial of service (application crash).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
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        ]
      },
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2002-1350"
        },
        {
          "category": "external",
          "summary": "RHBZ#1616882",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616882"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-1350",
          "url": "https://www.cve.org/CVERecord?id=CVE-2002-1350"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-1350",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-1350"
        }
      ],
      "release_date": "2001-10-15T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-06-30T16:10:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 7.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:214"
        }
      ],
      "title": "security flaw"
    },
    {
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616965"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
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          "summary": "RHBZ#1616965",
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        },
        {
          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0093"
        }
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        {
          "category": "vendor_fix",
          "date": "2003-06-30T16:10:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 7.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:214"
        }
      ],
      "title": "security flaw"
    },
    {
      "cve": "CVE-2003-0108",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616968"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "isakmp_sub_print in tcpdump 3.6 through 3.7.1 allows remote attackers to cause a denial of service (CPU consumption) via a certain malformed ISAKMP packet to UDP port 500, which causes tcpdump to enter an infinite loop.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
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        }
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          "url": "https://access.redhat.com/security/cve/CVE-2003-0108"
        },
        {
          "category": "external",
          "summary": "RHBZ#1616968",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616968"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2003-0108",
          "url": "https://www.cve.org/CVERecord?id=CVE-2003-0108"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0108",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0108"
        }
      ],
      "release_date": "2003-02-27T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-06-30T16:10:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 7.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:214"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "security flaw"
    },
    {
      "cve": "CVE-2003-0145",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616984"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Unknown vulnerability in tcpdump before 3.7.2 related to an inability to \"Handle unknown RADIUS attributes properly,\" allows remote attackers to cause a denial of service (infinite loop), a different vulnerability than CAN-2003-0093.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
      ],
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        "fixed": [
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          "url": "https://access.redhat.com/security/cve/CVE-2003-0145"
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          "summary": "RHBZ#1616984",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616984"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2003-0145",
          "url": "https://www.cve.org/CVERecord?id=CVE-2003-0145"
        },
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0145",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0145"
        }
      ],
      "release_date": "2003-02-25T00:00:00+00:00",
      "remediations": [
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          "date": "2003-06-30T16:10:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 7.1"
          ],
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        }
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          "details": "Moderate"
        }
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      "title": "security flaw"
    },
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        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616999"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "tcpdump does not properly drop privileges to the pcap user when starting up.",
          "title": "Vulnerability description"
        },
        {
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          "text": "security flaw",
          "title": "Vulnerability summary"
        }
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2003-0194"
        },
        {
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          "summary": "RHBZ#1616999",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616999"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2003-0194",
          "url": "https://www.cve.org/CVERecord?id=CVE-2003-0194"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0194",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0194"
        }
      ],
      "release_date": "2003-05-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-06-30T16:10:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 7.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:214"
        }
      ],
      "title": "security flaw"
    }
  ]
}

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Updated tcpdump, libpcap, and arpwatch packages for iSeries and pSeries fix\nvarious vulnerabilities.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Tcpdump is a command-line tool for monitoring network traffic. \n\nThe Red Hat tcpdump packages advertise that by default tcpdump will drop\npermissions to user \u0027pcap\u0027.  Due to a compilation error this did not\nhappen, and tcpdump would run as root unless the \u0027-U\u0027 flag was specified.\n\nUsers of tcpdump are advised to upgrade to these errata packages, which\nare compiled so that by default tcpdump will drop privileges to the\n\u0027pcap\u0027 user.\n\nThe BGP decoding routines in tcpdump before 3.6.2 used incorrect bounds\nchecking when copying data, which allows remote attackers to cause a denial\nof service and possibly execute arbitrary code (as the \u0027pcap\u0027 user).\n\nThe RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to\ncause a denial of service (crash) via an invalid RADIUS packet with a\nheader length field of 0. This causes tcpdump to generate data within an\ninfinite loop.\n\nA vulnerability in tcpdump before 3.7.2 is related to an inability to\nhandle unknown RADIUS attributes properly, and allows remote attackers to\ncause a denial of service (infinite loop).\n\nThe ISAKMP parser in tcpdump 3.6 through 3.7.1 allows remote attackers to\ncause a denial of service (CPU consumption) via a malformed ISAKMP packet\nto UDP port 500, causing tcpdump to enter an infinite loop.\n\nVersions of tcpdump up to and including 3.6.2 have a buffer overflow that\ncan be triggered when tracing the network by a bad NFS packet. This issue\nwas found by David Woodhouse of Red Hat.\n\nUsers of tcpdump are advised to upgrade to these errata packages, which\ncontain patches to correct these issues.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
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        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2003:214",
        "url": "https://access.redhat.com/errata/RHSA-2003:214"
      },
      {
        "category": "external",
        "summary": "http://www.idefense.com/advisory/02.27.03.txt",
        "url": "http://www.idefense.com/advisory/02.27.03.txt"
      },
      {
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_214.json"
      }
    ],
    "title": "Red Hat Security Advisory: : : : Updated tcpdump packages fix various vulnerabilities",
    "tracking": {
      "current_release_date": "2025-11-21T17:26:13+00:00",
      "generator": {
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          "summary": "Initial version"
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                  "product_id": "Red Hat Linux 7.1",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:7.1"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Linux"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
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      "ids": [
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        }
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      "notes": [
        {
          "category": "description",
          "text": "Buffer overflow in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via an NFS packet.",
          "title": "Vulnerability description"
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              "criteria": "cpe:2.3:o:redhat:linux:9.0:*:i386:*:*:*:*:*",
              "matchCriteriaId": "F3FDE8C4-5FFD-4CC2-9F35-7C32043966D1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "tcpdump does not properly drop privileges to the pcap user when starting up."
    },
    {
      "lang": "es",
      "value": "Cuando se arranca tcpdump, \u00e9ste no rebaja privilegios adecuadamente al usuario pcap"
    }
  ],
  "id": "CVE-2003-0194",
  "lastModified": "2025-04-03T01:03:51.193",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": true,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2003-06-09T04:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://www.redhat.com/support/errata/RHSA-2003-151.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2003-174.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.redhat.com/support/errata/RHSA-2003-151.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2003-174.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2003-0194"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2003-06-09T04:00:00Z",
    "severity": "MODERATE"
  },
  "details": "tcpdump does not properly drop privileges to the pcap user when starting up.",
  "id": "GHSA-m27v-5mww-v33p",
  "modified": "2022-04-29T01:26:00Z",
  "published": "2022-04-29T01:26:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0194"
    },
    {
      "type": "WEB",
      "url": "http://www.redhat.com/support/errata/RHSA-2003-151.html"
    },
    {
      "type": "WEB",
      "url": "http://www.redhat.com/support/errata/RHSA-2003-174.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}