{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Low"
    },
    "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 GDM packages are available which correct a bug allowing local users\nto read any text files on the system, and a denial of service issue if\nXDMCP is enabled.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "GDM is the GNOME Display Manager for X.\n\nVersions of GDM prior to 2.4.1.6 contain a bug where GDM will run as root\nwhen examining the ~/.xsession-errors file when using the \"examine session\nerrors\" feature, allowing local users the ability to read any text file\non the system by creating a symlink. The Common Vulnerabilities and\nExposures project (cve.mitre.org) has assigned the name CAN-2003-0547 to\nthis issue.\n\nRed Hat Linux 8.0 and 9 are vulnerable to this issue. Versions of GDM in\nearlier releases did not have the \"examine session errors\" feature and\ntherefore are not vulnerable to this issue. \n\nAlso addressed by these erratum packages are two problems in the X Display\nManager Control Protocol (XDMCP) which allow a denial of service attack\n(DoS) by crashing the gdm daemon. The Common Vulnerabilities and\nExposures project (cve.mitre.org) has assigned the names CAN-2003-0548 and\nCAN-2003-0549 to these issues.\n\nThis attack is only possible if XDMCP is enabled. XDMCP is not enabled by\ndefault in Red Hat Linux distributions, and as documented XDMCP should only\never be run on trusted networks.\n\nUsers of GDM are advised to upgrade to these erratum packages which disable\nthe \"examine session errors\" feature and contain backported security fixes\nfor the XDMCP 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"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2003:258",
        "url": "https://access.redhat.com/errata/RHSA-2003:258"
      },
      {
        "category": "external",
        "summary": "http://www.tldp.org/HOWTO/XDMCP-HOWTO/procedure.html#SECURITY",
        "url": "http://www.tldp.org/HOWTO/XDMCP-HOWTO/procedure.html#SECURITY"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_258.json"
      }
    ],
    "title": "Red Hat Security Advisory: : GDM allows local user to read any file.",
    "tracking": {
      "current_release_date": "2024-11-21T22:49:44+00:00",
      "generator": {
        "date": "2024-11-21T22:49:44+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.2.1"
        }
      },
      "id": "RHSA-2003:258",
      "initial_release_date": "2003-08-21T19:16:00+00:00",
      "revision_history": [
        {
          "date": "2003-08-21T19:16:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2003-08-21T00:00:00+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-21T22:49:44+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "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_name",
                "name": "Red Hat Linux 8.0",
                "product": {
                  "name": "Red Hat Linux 8.0",
                  "product_id": "Red Hat Linux 8.0",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:8.0"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Red Hat Linux 9",
                "product": {
                  "name": "Red Hat Linux 9",
                  "product_id": "Red Hat Linux 9",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:9"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Linux"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2003-0547",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1617050"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "GDM before 2.4.1.6, when using the \"examine session errors\" feature, allows local users to read arbitrary files via a symlink attack on the ~/.xsession-errors file.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Linux 7.1",
          "Red Hat Linux 7.2",
          "Red Hat Linux 7.3",
          "Red Hat Linux 8.0",
          "Red Hat Linux 9"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2003-0547"
        },
        {
          "category": "external",
          "summary": "RHBZ#1617050",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1617050"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2003-0547",
          "url": "https://www.cve.org/CVERecord?id=CVE-2003-0547"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0547",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0547"
        }
      ],
      "release_date": "2003-08-20T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-08-21T19:16:00+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 7.1",
            "Red Hat Linux 7.2",
            "Red Hat Linux 7.3",
            "Red Hat Linux 8.0",
            "Red Hat Linux 9"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:258"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "security flaw"
    },
    {
      "cve": "CVE-2003-0548",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1617051"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The X Display Manager Control Protocol (XDMCP) support for GDM before 2.4.1.6 allows attackers to cause a denial of service (daemon crash) when a chosen host expires, a different issue than CVE-2003-0549.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Linux 7.1",
          "Red Hat Linux 7.2",
          "Red Hat Linux 7.3",
          "Red Hat Linux 8.0",
          "Red Hat Linux 9"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2003-0548"
        },
        {
          "category": "external",
          "summary": "RHBZ#1617051",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1617051"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2003-0548",
          "url": "https://www.cve.org/CVERecord?id=CVE-2003-0548"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0548",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0548"
        }
      ],
      "release_date": "2003-08-20T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-08-21T19:16:00+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 7.1",
            "Red Hat Linux 7.2",
            "Red Hat Linux 7.3",
            "Red Hat Linux 8.0",
            "Red Hat Linux 9"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:258"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "security flaw"
    },
    {
      "cve": "CVE-2003-0549",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1617052"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The X Display Manager Control Protocol (XDMCP) support for GDM before 2.4.1.6 allows attackers to cause a denial of service (daemon crash) via a short authorization key name.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Linux 7.1",
          "Red Hat Linux 7.2",
          "Red Hat Linux 7.3",
          "Red Hat Linux 8.0",
          "Red Hat Linux 9"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2003-0549"
        },
        {
          "category": "external",
          "summary": "RHBZ#1617052",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1617052"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2003-0549",
          "url": "https://www.cve.org/CVERecord?id=CVE-2003-0549"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0549",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0549"
        }
      ],
      "release_date": "2003-08-20T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-08-21T19:16:00+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 7.1",
            "Red Hat Linux 7.2",
            "Red Hat Linux 7.3",
            "Red Hat Linux 8.0",
            "Red Hat Linux 9"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:258"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "security flaw"
    }
  ]
}

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Low"
    },
    "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 GDM packages are available which correct a bug allowing local users\nto read any text files on the system, and a denial of service issue if\nXDMCP is enabled.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "GDM is the GNOME Display Manager for X.\n\nVersions of GDM prior to 2.4.1.6 contain a bug where GDM will run as root\nwhen examining the ~/.xsession-errors file when using the \"examine session\nerrors\" feature, allowing local users the ability to read any text file\non the system by creating a symlink. The Common Vulnerabilities and\nExposures project (cve.mitre.org) has assigned the name CAN-2003-0547 to\nthis issue.\n\nRed Hat Linux 8.0 and 9 are vulnerable to this issue. Versions of GDM in\nearlier releases did not have the \"examine session errors\" feature and\ntherefore are not vulnerable to this issue. \n\nAlso addressed by these erratum packages are two problems in the X Display\nManager Control Protocol (XDMCP) which allow a denial of service attack\n(DoS) by crashing the gdm daemon. The Common Vulnerabilities and\nExposures project (cve.mitre.org) has assigned the names CAN-2003-0548 and\nCAN-2003-0549 to these issues.\n\nThis attack is only possible if XDMCP is enabled. XDMCP is not enabled by\ndefault in Red Hat Linux distributions, and as documented XDMCP should only\never be run on trusted networks.\n\nUsers of GDM are advised to upgrade to these erratum packages which disable\nthe \"examine session errors\" feature and contain backported security fixes\nfor the XDMCP 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"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2003:258",
        "url": "https://access.redhat.com/errata/RHSA-2003:258"
      },
      {
        "category": "external",
        "summary": "http://www.tldp.org/HOWTO/XDMCP-HOWTO/procedure.html#SECURITY",
        "url": "http://www.tldp.org/HOWTO/XDMCP-HOWTO/procedure.html#SECURITY"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_258.json"
      }
    ],
    "title": "Red Hat Security Advisory: : GDM allows local user to read any file.",
    "tracking": {
      "current_release_date": "2024-11-21T22:49:44+00:00",
      "generator": {
        "date": "2024-11-21T22:49:44+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.2.1"
        }
      },
      "id": "RHSA-2003:258",
      "initial_release_date": "2003-08-21T19:16:00+00:00",
      "revision_history": [
        {
          "date": "2003-08-21T19:16:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2003-08-21T00:00:00+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-21T22:49:44+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "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_name",
                "name": "Red Hat Linux 8.0",
                "product": {
                  "name": "Red Hat Linux 8.0",
                  "product_id": "Red Hat Linux 8.0",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:8.0"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Red Hat Linux 9",
                "product": {
                  "name": "Red Hat Linux 9",
                  "product_id": "Red Hat Linux 9",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:linux:9"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Linux"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2003-0547",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1617050"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "GDM before 2.4.1.6, when using the \"examine session errors\" feature, allows local users to read arbitrary files via a symlink attack on the ~/.xsession-errors file.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Linux 7.1",
          "Red Hat Linux 7.2",
          "Red Hat Linux 7.3",
          "Red Hat Linux 8.0",
          "Red Hat Linux 9"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2003-0547"
        },
        {
          "category": "external",
          "summary": "RHBZ#1617050",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1617050"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2003-0547",
          "url": "https://www.cve.org/CVERecord?id=CVE-2003-0547"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0547",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0547"
        }
      ],
      "release_date": "2003-08-20T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-08-21T19:16:00+00:00",
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        "title": "Topic"
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      {
        "category": "general",
        "text": "GDM is the GNOME Display Manager for X.\n\nTwo bugs have been found in the X Display Manager Control Protocol (XDMCP)\nwhich could allow a denial of service attack (DoS) by crashing the gdm\ndaemon. The Common Vulnerabilities and Exposures project (cve.mitre.org)\nhas assigned the names CAN-2003-0548 and CAN-2003-0549 to these issues.\n\nThis attack is only possible if XDMCP is enabled. XDMCP is not enabled by\ndefault in Red Hat Enterprise Linux distributions.  In addition is\ndocumented best practise that XDMCP should only ever be run on trusted\nnetworks.\n\nUsers of XDMCP in GDM should upgrade to these erratum packages which\ncontain backported security fixes are are not vulnerable to these issues.\n\nNote that Red Hat Enterprise Linux 2.1 is not vulnerable to CAN-2003-0547,\na vulnerability that allows a local user to read any text file, as it did\nnot have the \"examine session errors\" feature.",
        "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.",
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}

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        "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.",
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          "date": "2003-08-21T16:10:00+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.",
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        {
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          "date": "2003-08-21T16:10:00+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.",
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}

{
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    },
    "category": "csaf_security_advisory",
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    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
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    },
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        "category": "summary",
        "text": "Updated GDM packages are available which correct a local crash if XDMCP is\nenabled.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "GDM is the GNOME Display Manager for X.\n\nTwo bugs have been found in the X Display Manager Control Protocol (XDMCP)\nwhich could allow a denial of service attack (DoS) by crashing the gdm\ndaemon. The Common Vulnerabilities and Exposures project (cve.mitre.org)\nhas assigned the names CAN-2003-0548 and CAN-2003-0549 to these issues.\n\nThis attack is only possible if XDMCP is enabled. XDMCP is not enabled by\ndefault in Red Hat Enterprise Linux distributions.  In addition is\ndocumented best practise that XDMCP should only ever be run on trusted\nnetworks.\n\nUsers of XDMCP in GDM should upgrade to these erratum packages which\ncontain backported security fixes are are not vulnerable to these issues.\n\nNote that Red Hat Enterprise Linux 2.1 is not vulnerable to CAN-2003-0547,\na vulnerability that allows a local user to read any text file, as it did\nnot have the \"examine session errors\" feature.",
        "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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        "url": "https://access.redhat.com/security/updates/classification/#low"
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      {
        "category": "external",
        "summary": "102452",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=102452"
      },
      {
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_259.json"
      }
    ],
    "title": "Red Hat Security Advisory: gdm security update",
    "tracking": {
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          "date": "2003-08-21T16:10:00+00:00",
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          "title": "Vulnerability description"
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        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0548",
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        }
      ],
      "release_date": "2003-08-20T00:00:00+00:00",
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          "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.",
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          "restart_required": {
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          },
          "url": "https://access.redhat.com/errata/RHSA-2003:259"
        }
      ],
      "threats": [
        {
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          "details": "Low"
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      "title": "security flaw"
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    {
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          "system_name": "Red Hat Bugzilla ID",
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          "text": "The X Display Manager Control Protocol (XDMCP) support for GDM before 2.4.1.6 allows attackers to cause a denial of service (daemon crash) via a short authorization key name.",
          "title": "Vulnerability description"
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        }
      ],
      "release_date": "2003-08-20T00:00:00+00:00",
      "remediations": [
        {
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          "date": "2003-08-21T16:10:00+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": [
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        }
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      "title": "security flaw"
    }
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}

{
  "document": {
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      "text": "Low"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
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        "category": "summary",
        "text": "Updated GDM packages are available which correct a bug allowing local users\nto read any text files on the system, and a denial of service issue if\nXDMCP is enabled.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "GDM is the GNOME Display Manager for X.\n\nVersions of GDM prior to 2.4.1.6 contain a bug where GDM will run as root\nwhen examining the ~/.xsession-errors file when using the \"examine session\nerrors\" feature, allowing local users the ability to read any text file\non the system by creating a symlink. The Common Vulnerabilities and\nExposures project (cve.mitre.org) has assigned the name CAN-2003-0547 to\nthis issue.\n\nRed Hat Linux 8.0 and 9 are vulnerable to this issue. Versions of GDM in\nearlier releases did not have the \"examine session errors\" feature and\ntherefore are not vulnerable to this issue. \n\nAlso addressed by these erratum packages are two problems in the X Display\nManager Control Protocol (XDMCP) which allow a denial of service attack\n(DoS) by crashing the gdm daemon. The Common Vulnerabilities and\nExposures project (cve.mitre.org) has assigned the names CAN-2003-0548 and\nCAN-2003-0549 to these issues.\n\nThis attack is only possible if XDMCP is enabled. XDMCP is not enabled by\ndefault in Red Hat Linux distributions, and as documented XDMCP should only\never be run on trusted networks.\n\nUsers of GDM are advised to upgrade to these erratum packages which disable\nthe \"examine session errors\" feature and contain backported security fixes\nfor the XDMCP 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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    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
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      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2003:258",
        "url": "https://access.redhat.com/errata/RHSA-2003:258"
      },
      {
        "category": "external",
        "summary": "http://www.tldp.org/HOWTO/XDMCP-HOWTO/procedure.html#SECURITY",
        "url": "http://www.tldp.org/HOWTO/XDMCP-HOWTO/procedure.html#SECURITY"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_258.json"
      }
    ],
    "title": "Red Hat Security Advisory: : GDM allows local user to read any file.",
    "tracking": {
      "current_release_date": "2024-11-21T22:49:44+00:00",
      "generator": {
        "date": "2024-11-21T22:49:44+00:00",
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