wid-sec-w-2022-1745
Vulnerability from csaf_certbund
Published
2019-11-21 23:00
Modified
2023-08-23 22:00
Summary
GNU libc: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Die GNU libc ist die Basis C Bibliothek unter Linux sowie anderen Unix-Betriebssystemen, welche die Systemaufrufe sowie Basisfunktionalität bereitstellt.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme
- Linux


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Die GNU libc ist die Basis C Bibliothek unter Linux sowie anderen Unix-Betriebssystemen, welche die Systemaufrufe sowie Basisfunktionalit\u00e4t bereitstellt.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2022-1745 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2022-1745.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-1745 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1745"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-2221 vom 2023-08-23",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2221.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:0262-1 vom 2020-01-30",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-20200262-1.html"
      },
      {
        "category": "external",
        "summary": "Sourceware Eintrag: 25204 vom 2019-11-21",
        "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=25204"
      },
      {
        "category": "external",
        "summary": "National Vulnerability Database: CVE-2019-19126",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-19126"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:1828 vom 2020-04-28",
        "url": "https://access.redhat.com/errata/RHSA-2020:1828"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4416-1 vom 2020-07-06",
        "url": "https://usn.ubuntu.com/4416-1/"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:3194 vom 2020-07-28",
        "url": "https://access.redhat.com/errata/RHSA-2020:3194"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:3861 vom 2020-09-29",
        "url": "https://access.redhat.com/errata/RHSA-2020:3861"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2020-124 vom 2020-10-15",
        "url": "https://downloads.avaya.com/css/P8/documents/101071402"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2021-1511 vom 2021-07-13",
        "url": "https://alas.aws.amazon.com/ALAS-2021-1511.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3152 vom 2022-10-17",
        "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-1944 vom 2023-02-22",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-1944.html"
      }
    ],
    "source_lang": "en-US",
    "title": "GNU libc: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2023-08-23T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:36:34.547+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-1745",
      "initial_release_date": "2019-11-21T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2019-11-21T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2020-01-21T23:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: FEDORA-2020-C32E4B271C"
        },
        {
          "date": "2020-01-30T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-04-28T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-07-06T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2020-07-28T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-09-29T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-10-14T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2021-07-12T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-10-17T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-02-22T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-08-23T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "12"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Amazon Linux 2",
            "product": {
              "name": "Amazon Linux 2",
              "product_id": "398363",
              "product_identification_helper": {
                "cpe": "cpe:/o:amazon:linux_2:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Amazon"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Avaya Aura Application Enablement Services",
            "product": {
              "name": "Avaya Aura Application Enablement Services",
              "product_id": "T015516",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:aura_application_enablement_services:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Avaya Aura Communication Manager",
            "product": {
              "name": "Avaya Aura Communication Manager",
              "product_id": "T015126",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:communication_manager:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Avaya Aura Session Manager",
            "product": {
              "name": "Avaya Aura Session Manager",
              "product_id": "T015127",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:session_manager:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Avaya Aura System Manager",
            "product": {
              "name": "Avaya Aura System Manager",
              "product_id": "T015518",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:aura_system_manager:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Avaya Web License Manager",
            "product": {
              "name": "Avaya Web License Manager",
              "product_id": "T016243",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:web_license_manager:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Avaya"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source GNU libc \u003c 2.31",
            "product": {
              "name": "Open Source GNU libc \u003c 2.31",
              "product_id": "T015409",
              "product_identification_helper": {
                "cpe": "cpe:/a:gnu:glibc:2.31"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-19126",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in GNU libc, die darauf basiert, dass die Umgebungsvariable \"LD_PREFER_MAP_32BIT_EXEC \" nicht ignoriert wird, w\u00e4hrend ein Programm ausgef\u00fchrt wird. Dadurch werden m\u00f6gliche Zuordnungsadressen f\u00fcr geladene Bibliotheken einschr\u00e4nk. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um die Sicherheitskomponente ASLR zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T015518",
          "2951",
          "T002207",
          "67646",
          "T015516",
          "T000126",
          "T015127",
          "398363",
          "T015126",
          "T016243"
        ]
      },
      "release_date": "2019-11-21T23:00:00.000+00:00",
      "title": "CVE-2019-19126"
    }
  ]
}


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