{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "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": "When LPRng drops uid and gid, it fails to drop membership in its\nsupplemental groups.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "LPRng fails to drop supplemental group membership at init time, though it\ndoes properly setuid and setgid. The result is that LPRng, and its\nchildren, maintain any supplemental groups that the process starting LPRng\nhad at the time it started LPRng. This is a security risk.",
        "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-2001:077",
        "url": "https://access.redhat.com/errata/RHSA-2001:077"
      },
      {
        "category": "external",
        "summary": "43341",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=43341"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2001/rhsa-2001_077.json"
      }
    ],
    "title": "Red Hat Security Advisory: : LPRng fails to drop supplemental group membership",
    "tracking": {
      "current_release_date": "2025-11-21T17:24:41+00:00",
      "generator": {
        "date": "2025-11-21T17:24:41+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.6.12"
        }
      },
      "id": "RHSA-2001:077",
      "initial_release_date": "2001-06-12T20:23:00+00:00",
      "revision_history": [
        {
          "date": "2001-06-12T20:23:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2001-06-07T00:00:00+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2025-11-21T17:24:41+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Linux 7.0",
                "product": {
                  "name": "Red Hat Linux 7.0",
                  "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_family",
            "name": "Red Hat Linux"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2001-0787",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616618"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "LPRng in Red Hat Linux 7.0 and 7.1 does not properly drop memberships in supplemental groups when lowering privileges, which could allow a local user to elevate privileges.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Linux 7.0",
          "Red Hat Linux 7.1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2001-0787"
        },
        {
          "category": "external",
          "summary": "RHBZ#1616618",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616618"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2001-0787",
          "url": "https://www.cve.org/CVERecord?id=CVE-2001-0787"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2001-0787",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2001-0787"
        }
      ],
      "release_date": "2001-06-12T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2001-06-12T20:23:00+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\nthe desired 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 7.0",
            "Red Hat Linux 7.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2001:077"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "security flaw"
    }
  ]
}