WID-SEC-W-2023-0997

Vulnerability from csaf_certbund - Published: 2021-03-03 23:00 - Updated: 2024-05-07 22:00
Summary
OpenSSH: Schwachstelle ermöglicht Codeausführung
Severity
Hoch
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: OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.
Angriff: Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in OpenSSH ausnutzen, um beliebigen Programmcode auszuführen.
Betroffene Betriebssysteme: - Linux - Sonstiges - UNIX - Windows
CVE-2021-28041

Es existiert eine Schwachstelle in OpenSSH, welche aufgrund eines double-memory-free-Fehlers besteht. Eine Ausnutzung ist möglich, wenn ein Angreifer Zugriff auf den "Agent-Socket" besitzt. Ein entfernter, authentisierter Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Programmcode auszuführen.

Affected products
Product Identifier Version Remediation
EMC Avamar
EMC
 cpe:/a:emc:avamar:- —
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
IGEL OS
IGEL
 cpe:/o:igel:os:- —
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
Dell NetWorker virtual
Dell / NetWorker
 cpe:/a:dell:networker:virtual virtual
Gentoo Linux
Gentoo
 cpe:/o:gentoo:linux:- —
SolarWinds Security Event Manager <2023.2
SolarWinds / Security Event Manager
 <2023.2
SolarWinds Security Event Manager <2024.2
SolarWinds / Security Event Manager
 <2024.2
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "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": "OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in OpenSSH ausnutzen, um beliebigen Programmcode auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Sonstiges\n- UNIX\n- Windows",
        "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-2023-0997 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-0997.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0997 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0997"
      },
      {
        "category": "external",
        "summary": "Palo Alto Networks Security Advisory PAN-167448 vom 2021-03-24",
        "url": "https://security.paloaltonetworks.com/CVE-2021-28041"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202105-35 vom 2021-05-26",
        "url": "https://security.gentoo.org/glsa/202105-35"
      },
      {
        "category": "external",
        "summary": "OpenSSH Release Notes vom 2021-03-03",
        "url": "https://www.openssh.com/txt/release-8.5"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4762-1 vom 2021-03-10",
        "url": "https://ubuntu.com/security/notices/USN-4762-1"
      },
      {
        "category": "external",
        "summary": "IGEL Security Notice ISN-2021-06 vom 2021-08-02",
        "url": "https://kb.igel.com/securitysafety/en/isn-2021-06-igel-os-openssh-vulnerabilities-47717622.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:4153-1 vom 2021-12-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009929.html"
      },
      {
        "category": "external",
        "summary": "Security Event Manager Release Notes vom 2023-04-18",
        "url": "https://documentation.solarwinds.com/en/Success_Center/SEM/content/release_notes/sem_2023-2_release_notes.htm"
      },
      {
        "category": "external",
        "summary": "SEM 2024.2 release notes vom 2024-04-17",
        "url": "https://documentation.solarwinds.com/en/success_center/sem/content/release_notes/sem_2024-2_release_notes.htm"
      },
      {
        "category": "external",
        "summary": "Dell Security Advisory DSA-2024-198 vom 2024-05-08",
        "url": "https://www.dell.com/support/kbdoc/000224827/dsa-2024-="
      }
    ],
    "source_lang": "en-US",
    "title": "OpenSSH: Schwachstelle erm\u00f6glicht Codeausf\u00fchrung",
    "tracking": {
      "current_release_date": "2024-05-07T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:49:06.145+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-0997",
      "initial_release_date": "2021-03-03T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-03-03T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-03-07T23:00:00.000+00:00",
          "number": "2",
          "summary": "CVE erg\u00e4nzt"
        },
        {
          "date": "2021-03-10T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-03-24T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Palo Alto Networks aufgenommen"
        },
        {
          "date": "2021-05-25T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2021-06-17T22:00:00.000+00:00",
          "number": "6",
          "summary": "Referenz(en) aufgenommen: FEDORA-2021-1D3698089D"
        },
        {
          "date": "2021-08-02T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von IGEL aufgenommen"
        },
        {
          "date": "2021-12-22T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-18T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates aufgenommen"
        },
        {
          "date": "2024-04-16T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates aufgenommen"
        },
        {
          "date": "2024-05-07T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Dell aufgenommen"
        }
      ],
      "status": "final",
      "version": "11"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "virtual",
                "product": {
                  "name": "Dell NetWorker virtual",
                  "product_id": "T034583",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dell:networker:virtual"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "NetWorker"
          }
        ],
        "category": "vendor",
        "name": "Dell"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "EMC Avamar",
            "product": {
              "name": "EMC Avamar",
              "product_id": "T014381",
              "product_identification_helper": {
                "cpe": "cpe:/a:emc:avamar:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "EMC"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Gentoo Linux",
            "product": {
              "name": "Gentoo Linux",
              "product_id": "T012167",
              "product_identification_helper": {
                "cpe": "cpe:/o:gentoo:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Gentoo"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "IGEL OS",
            "product": {
              "name": "IGEL OS",
              "product_id": "T017865",
              "product_identification_helper": {
                "cpe": "cpe:/o:igel:os:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "IGEL"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c8.5",
                "product": {
                  "name": "Open Source OpenSSH \u003c8.5",
                  "product_id": "T018528"
                }
              }
            ],
            "category": "product_name",
            "name": "OpenSSH"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "PaloAlto Networks PAN-OS",
            "product": {
              "name": "PaloAlto Networks PAN-OS",
              "product_id": "T012790",
              "product_identification_helper": {
                "cpe": "cpe:/o:paloaltonetworks:pan-os:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "PaloAlto Networks"
      },
      {
        "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": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2023.2",
                "product": {
                  "name": "SolarWinds Security Event Manager \u003c2023.2",
                  "product_id": "T027433"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c2024.2",
                "product": {
                  "name": "SolarWinds Security Event Manager \u003c2024.2",
                  "product_id": "T034244"
                }
              }
            ],
            "category": "product_name",
            "name": "Security Event Manager"
          }
        ],
        "category": "vendor",
        "name": "SolarWinds"
      },
      {
        "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-2021-28041",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in OpenSSH, welche aufgrund eines double-memory-free-Fehlers besteht. Eine Ausnutzung ist m\u00f6glich, wenn ein Angreifer Zugriff auf den \"Agent-Socket\" besitzt. Ein entfernter, authentisierter Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Programmcode auszuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T014381",
          "T002207",
          "T017865",
          "T000126",
          "T034583",
          "T012167",
          "T027433",
          "T034244"
        ]
      },
      "release_date": "2021-03-03T23:00:00.000+00:00",
      "title": "CVE-2021-28041"
    }
  ]
}



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