RHSA-2002:162
Vulnerability from csaf_redhat
Published
2002-08-30 13:16
Modified
2024-11-21 22:26
Summary
Red Hat Security Advisory: : PXE server crashes from certain DHCP packets

Notes

Topic
Updated PXE packages are now available for Red Hat Linux which fix a vulnerability that can crash the PXE server using certain DHCP packets.
Details
The PXE package contains the PXE (Preboot eXecution Environment) server and code needed for Linux to boot from a boot disk image on a Linux PXE server. It was found that the PXE server could be crashed using DHCP packets from some Voice Over IP (VOIP) phones. This bug could be used to cause a denial of service attack on remote systems by using malicious packets. Users of PXE are advised to upgrade to the new release which contains a version of PXE that is not vulnerable to this issue.
Terms of Use
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.


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{
  "document": {
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      "text": "Important"
    },
    "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 PXE packages are now available for Red Hat Linux which fix a\nvulnerability that can crash the PXE server using certain DHCP packets.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The PXE package contains the PXE (Preboot eXecution Environment)\nserver and code needed for Linux to boot from a boot disk image on a\nLinux PXE server.  \n\nIt was found that the PXE server could be crashed using DHCP packets from\nsome Voice Over IP (VOIP) phones.  This bug could be used to cause a denial\nof service attack on remote systems by using malicious packets.\n\nUsers of PXE are advised to upgrade to the new release which contains a\nversion of PXE that is not vulnerable to this issue.",
        "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"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2002:162",
        "url": "https://access.redhat.com/errata/RHSA-2002:162"
      },
      {
        "category": "external",
        "summary": "66825",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=66825"
      },
      {
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2002/rhsa-2002_162.json"
      }
    ],
    "title": "Red Hat Security Advisory: : PXE server crashes from certain DHCP packets",
    "tracking": {
      "current_release_date": "2024-11-21T22:26:18+00:00",
      "generator": {
        "date": "2024-11-21T22:26:18+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.2.1"
        }
      },
      "id": "RHSA-2002:162",
      "initial_release_date": "2002-08-30T13:16:00+00:00",
      "revision_history": [
        {
          "date": "2002-08-30T13:16:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2002-07-29T00:00:00+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-21T22:26:18+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Linux 6.2",
                "product": {
                  "name": "Red Hat Linux 6.2",
                  "product_id": "Red Hat Linux 6.2",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:6.2"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Red Hat Linux 7.0",
                "product": {
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                  "product_id": "Red Hat Linux 7.0",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:7.0"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Red Hat Linux 7.1",
                "product": {
                  "name": "Red Hat Linux 7.1",
                  "product_id": "Red Hat Linux 7.1",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:7.1"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Red Hat Linux 7.2",
                "product": {
                  "name": "Red Hat Linux 7.2",
                  "product_id": "Red Hat Linux 7.2",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:7.2"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Red Hat Linux 7.3",
                "product": {
                  "name": "Red Hat Linux 7.3",
                  "product_id": "Red Hat Linux 7.3",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:7.3"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Linux"
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        ],
        "category": "vendor",
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      }
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2002-0835",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616818"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Preboot eXecution Environment (PXE) server allows remote attackers to cause a denial of service (crash) via certain DHCP packets from Voice-Over-IP (VOIP) phones.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
        "fixed": [
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          "Red Hat Linux 7.0",
          "Red Hat Linux 7.1",
          "Red Hat Linux 7.2",
          "Red Hat Linux 7.3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2002-0835"
        },
        {
          "category": "external",
          "summary": "RHBZ#1616818",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616818"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-0835",
          "url": "https://www.cve.org/CVERecord?id=CVE-2002-0835"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0835",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0835"
        }
      ],
      "release_date": "2002-08-30T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2002-08-30T13:16:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch 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 6.2",
            "Red Hat Linux 7.0",
            "Red Hat Linux 7.1",
            "Red Hat Linux 7.2",
            "Red Hat Linux 7.3"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2002:162"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "security flaw"
    }
  ]
}


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