WID-SEC-W-2023-0449

Vulnerability from csaf_certbund - Published: 2016-08-01 22:00 - Updated: 2024-05-07 22:00
Summary
OpenSSH: Mehrere Schwachstellen
Severity
Mittel
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, anonymer Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um einen Denial of Service Angriff durchzuführen oder um Informationen offenzulegen.
Betroffene Betriebssysteme: - F5 Networks - Linux - UNIX - Windows

Es existiert eine Schwachstelle in OpenSSH. Ein Angreifer kann durch Eingabe eines überlangen Passworts einen Denial of Service Zustand herbeiführen.

Affected products
Product Identifier Version Remediation
SUSE Linux Enterprise Server 11 SP4
SUSE / Linux Enterprise Server
cpe:/o:suse:linux_enterprise_server:11:sp4 11 SP4
Red Hat Enterprise Linux
Red Hat
cpe:/o:redhat:enterprise_linux:-
SUSE Linux Enterprise Server 12 LTSS
SUSE / Linux Enterprise Server
cpe:/o:suse:linux_enterprise_server:12:ltss 12 LTSS
FreeBSD Project FreeBSD OS
FreeBSD Project
cpe:/o:freebsd:freebsd:-
EMC VNX2
EMC
cpe:/h:emc:vnx:-
Dell NetWorker virtual
Dell / NetWorker
cpe:/a:dell:networker:virtual virtual
SUSE Linux Enterprise Server 12 SP1
SUSE / Linux Enterprise Server
cpe:/o:suse:linux_enterprise_server:12:sp1 12 SP1
SUSE Linux Enterprise Desktop 12 SP1
SUSE / Linux Enterprise Desktop
cpe:/o:suse:linux_enterprise_desktop:12:sp1 12 SP1
F5 Policy Enforcement Manager
F5
cpe:/a:f5:big-ip_policy_enforcement_manager:10.2.4
EMC Avamar
EMC
cpe:/a:emc:avamar:-
Ubuntu Linux
Ubuntu
cpe:/o:canonical:ubuntu_linux:-
F5 WAN Optimization Manager
F5
cpe:/a:f5:big-ip_wan_optimization_manager:-
F5 Enterprise Manager
F5
cpe:/a:f5:enterprise_manager:-
F5 WebAccelerator
F5
cpe:/h:f5:big-ip_webaccelerator:10.2.4
F5 BIG-IP
F5
cpe:/a:f5:big-ip:-
IBM FlashSystem 900
IBM / FlashSystem
cpe:/a:ibm:flashsystem:900 900
IBM FlashSystem 840
IBM / FlashSystem
cpe:/a:ibm:flashsystem:840 840
Vulnerability 2

Es existieren mehrere Schwachstellen in OpenSSH. Ein Angreifer kann Schwächen in den "CBC padding oracle" Gegenmaßnahmen und dem "Encrypt-then-MAC (EtM)" Modus ausnutzen, um Informationen offenzulegen.

Affected products
Product Identifier Version Remediation
EMC Avamar
EMC
cpe:/a:emc:avamar:-
Ubuntu Linux
Ubuntu
cpe:/o:canonical:ubuntu_linux:-
Dell NetWorker virtual
Dell / NetWorker
cpe:/a:dell:networker:virtual virtual
IBM FlashSystem 900
IBM / FlashSystem
cpe:/a:ibm:flashsystem:900 900
IBM FlashSystem 840
IBM / FlashSystem
cpe:/a:ibm:flashsystem:840 840

{
  "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": "OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren oder um Informationen offenzulegen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- F5 Networks\n- Linux\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-2023-0449 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2016/wid-sec-w-2023-0449.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0449 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0449"
      },
      {
        "category": "external",
        "summary": "OpenSSH 7.3 release notes vom 2016-08-01",
        "url": "http://www.openssh.com/txt/release-7.3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-3061-1 vom 2016-08-15",
        "url": "http://www.ubuntu.com/usn/usn-3061-1/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2016:2281-1 vom 2016-09-12",
        "url": "https://www.suse.com/support/update/announcement/2016/suse-su-20162281-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2016:2280-1 vom 2016-09-12",
        "url": "https://www.suse.com/support/update/announcement/2016/suse-su-20162280-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2016:2388-1 vom 2016-09-27",
        "url": "https://www.suse.com/support/update/announcement/2016/suse-su-20162388-1.html"
      },
      {
        "category": "external",
        "summary": "F5 Security Advisory sol31510510 vom 2016-10-19",
        "url": "https://support.f5.com/kb/en-us/solutions/public/k/31/sol31510510.html?ref=rss"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2016:2555-1 vom 2016-10-25",
        "url": "https://www.suse.com/support/update/announcement/2016/suse-su-20162555-1.html"
      },
      {
        "category": "external",
        "summary": "Exploit Database 40888 vom 2016-12-07",
        "url": "https://www.exploit-db.com/exploits/40888/?rss"
      },
      {
        "category": "external",
        "summary": "BlueCoat Security Advisory SA136",
        "url": "https://bto.bluecoat.com/security-advisory/sa136"
      },
      {
        "category": "external",
        "summary": "Juniper Security Advisory JSA10770 vom 2017-01-12",
        "url": "http://www.auscert.org.au/render.html?it=42842"
      },
      {
        "category": "external",
        "summary": "Brocade Security Advisory BSA-2017-247 vom 2017-05-03",
        "url": "http://www.brocade.com/content/dam/common/documents/content-types/security-bulletin/brocade-security-advisory-2017-247.htm"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory: RHSA-2017:2029",
        "url": "https://access.redhat.com/errata/RHSA-2017:2029"
      },
      {
        "category": "external",
        "summary": "The FreeBSD Project Security Advisory FreeBSD-SA-17:06.openssh vom 2017-08-10",
        "url": "https://www.freebsd.org/security/advisories/FreeBSD-SA-17:06.openssh.asc"
      },
      {
        "category": "external",
        "summary": "NetApp Security Advisory NTAP-20171130-0003 vom 2017-12-01",
        "url": "https://security.netapp.com/advisory/ntap-20171130-0003/"
      },
      {
        "category": "external",
        "summary": "McAfee Security Bulletin: SB10239",
        "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10239"
      },
      {
        "category": "external",
        "summary": "Dell/EMC Knowledge Base Article: 000529947",
        "url": "https://support.emc.com/kb/529947"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 650935 vom 2023-02-22",
        "url": "https://www.ibm.com/support/pages/node/650935"
      },
      {
        "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: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2024-05-07T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:44:34.865+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-0449",
      "initial_release_date": "2016-08-01T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2016-08-01T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initial Release"
        },
        {
          "date": "2016-08-01T22:00:00.000+00:00",
          "number": "2",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2016-08-01T22:00:00.000+00:00",
          "number": "3",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2016-08-15T22:00:00.000+00:00",
          "number": "4",
          "summary": "New remediations available"
        },
        {
          "date": "2016-08-15T22:00:00.000+00:00",
          "number": "5",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2016-09-12T22:00:00.000+00:00",
          "number": "6",
          "summary": "New remediations available"
        },
        {
          "date": "2016-09-12T22:00:00.000+00:00",
          "number": "7",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2016-09-27T22:00:00.000+00:00",
          "number": "8",
          "summary": "New remediations available"
        },
        {
          "date": "2016-10-19T22:00:00.000+00:00",
          "number": "9",
          "summary": "New remediations available"
        },
        {
          "date": "2016-10-19T22:00:00.000+00:00",
          "number": "10",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2016-10-25T22:00:00.000+00:00",
          "number": "11",
          "summary": "New remediations available"
        },
        {
          "date": "2016-10-25T22:00:00.000+00:00",
          "number": "12",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2016-12-13T23:00:00.000+00:00",
          "number": "13",
          "summary": "New remediations available"
        },
        {
          "date": "2017-01-11T23:00:00.000+00:00",
          "number": "14",
          "summary": "New remediations available"
        },
        {
          "date": "2017-05-02T22:00:00.000+00:00",
          "number": "15",
          "summary": "New remediations available"
        },
        {
          "date": "2017-08-01T22:00:00.000+00:00",
          "number": "16",
          "summary": "New remediations available"
        },
        {
          "date": "2017-08-07T22:00:00.000+00:00",
          "number": "17",
          "summary": "Added references"
        },
        {
          "date": "2017-11-30T23:00:00.000+00:00",
          "number": "18",
          "summary": "New remediations available"
        },
        {
          "date": "2018-06-13T22:00:00.000+00:00",
          "number": "19",
          "summary": "New remediations available"
        },
        {
          "date": "2019-01-30T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von EMC aufgenommen"
        },
        {
          "date": "2019-03-27T23:00:00.000+00:00",
          "number": "21",
          "summary": "CVSS Vektor korrigiert"
        },
        {
          "date": "2023-02-21T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2024-05-07T22:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Dell aufgenommen"
        }
      ],
      "status": "final",
      "version": "23"
    }
  },
  "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": "product_name",
            "name": "EMC VNX2",
            "product": {
              "name": "EMC VNX2",
              "product_id": "T004667",
              "product_identification_helper": {
                "cpe": "cpe:/h:emc:vnx:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "EMC"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "F5 BIG-IP",
            "product": {
              "name": "F5 BIG-IP",
              "product_id": "T001663",
              "product_identification_helper": {
                "cpe": "cpe:/a:f5:big-ip:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "F5 Enterprise Manager",
            "product": {
              "name": "F5 Enterprise Manager",
              "product_id": "T000125",
              "product_identification_helper": {
                "cpe": "cpe:/a:f5:enterprise_manager:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "F5 Policy Enforcement Manager",
            "product": {
              "name": "F5 Policy Enforcement Manager",
              "product_id": "T000529",
              "product_identification_helper": {
                "cpe": "cpe:/a:f5:big-ip_policy_enforcement_manager:10.2.4"
              }
            }
          },
          {
            "category": "product_name",
            "name": "F5 WAN Optimization Manager",
            "product": {
              "name": "F5 WAN Optimization Manager",
              "product_id": "T001721",
              "product_identification_helper": {
                "cpe": "cpe:/a:f5:big-ip_wan_optimization_manager:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "F5 WebAccelerator",
            "product": {
              "name": "F5 WebAccelerator",
              "product_id": "T001411",
              "product_identification_helper": {
                "cpe": "cpe:/h:f5:big-ip_webaccelerator:10.2.4"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "F5"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "FreeBSD Project FreeBSD OS",
            "product": {
              "name": "FreeBSD Project FreeBSD OS",
              "product_id": "4035",
              "product_identification_helper": {
                "cpe": "cpe:/o:freebsd:freebsd:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "FreeBSD Project"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "840",
                "product": {
                  "name": "IBM FlashSystem 840",
                  "product_id": "T026432",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:flashsystem:840"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "900",
                "product": {
                  "name": "IBM FlashSystem 900",
                  "product_id": "T026433",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:flashsystem:900"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "FlashSystem"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c7.3",
                "product": {
                  "name": "Open Source OpenSSH \u003c7.3",
                  "product_id": "T008169"
                }
              }
            ],
            "category": "product_name",
            "name": "OpenSSH"
          }
        ],
        "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": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "12 SP1",
                "product": {
                  "name": "SUSE Linux Enterprise Desktop 12 SP1",
                  "product_id": "T007837",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:linux_enterprise_desktop:12:sp1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Linux Enterprise Desktop"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "11 SP4",
                "product": {
                  "name": "SUSE Linux Enterprise Server 11 SP4",
                  "product_id": "T007322",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:linux_enterprise_server:11:sp4"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "12 SP1",
                "product": {
                  "name": "SUSE Linux Enterprise Server 12 SP1",
                  "product_id": "T007836",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:linux_enterprise_server:12:sp1"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "12 LTSS",
                "product": {
                  "name": "SUSE Linux Enterprise Server 12 LTSS",
                  "product_id": "T008429",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:linux_enterprise_server:12:ltss"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Linux Enterprise Server"
          }
        ],
        "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-2016-6515",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in OpenSSH. Ein Angreifer kann durch Eingabe eines \u00fcberlangen Passworts einen Denial of Service Zustand herbeif\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T007322",
          "67646",
          "T008429",
          "4035",
          "T004667",
          "T034583",
          "T007836",
          "T007837",
          "T000529",
          "T014381",
          "T000126",
          "T001721",
          "T000125",
          "T001411",
          "T001663",
          "T026433",
          "T026432"
        ]
      },
      "release_date": "2016-08-01T22:00:00.000+00:00",
      "title": "CVE-2016-6515"
    },
    {
      "notes": [
        {
          "category": "description",
          "text": "Es existieren mehrere Schwachstellen in OpenSSH. Ein Angreifer kann Schw\u00e4chen in den \"CBC padding oracle\" Gegenma\u00dfnahmen und dem \"Encrypt-then-MAC (EtM)\" Modus ausnutzen, um Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T014381",
          "T000126",
          "T034583",
          "T026433",
          "T026432"
        ]
      },
      "release_date": "2016-08-01T22:00:00.000+00:00"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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