GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2015-6565 (GCVE-0-2015-6565)

Vulnerability from cvelistv5 – Published: 2015-08-24 00:00 – Updated: 2024-08-06 07:22
VLAI
Summary
sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence.
Severity
No CVSS data available.
CWE
  • n/a
Date Public
2015-08-01 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T07:22:22.369Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20150821 Re: CVE request - OpenSSH 6.9 PAM privilege separation vulnerabilities",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2015/08/22/1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085"
          },
          {
            "name": "GLSA-201512-04",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201512-04"
          },
          {
            "name": "1033917",
            "tags": [
              "vdb-entry",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1033917"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openssh.com/txt/release-7.0"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380"
          },
          {
            "name": "41173",
            "tags": [
              "exploit",
              "x_transferred"
            ],
            "url": "https://www.exploit-db.com/exploits/41173/"
          },
          {
            "name": "[oss-security] 20170126 Re: OpenSSH: CVE-2015-6565 (pty issue in 6.8-6.9) can lead to local privesc on Linux",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://openwall.com/lists/oss-security/2017/01/26/2"
          },
          {
            "name": "76497",
            "tags": [
              "vdb-entry",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/76497"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-08-01T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-13T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "[oss-security] 20150821 Re: CVE request - OpenSSH 6.9 PAM privilege separation vulnerabilities",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2015/08/22/1"
        },
        {
          "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085"
        },
        {
          "name": "GLSA-201512-04",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/201512-04"
        },
        {
          "name": "1033917",
          "tags": [
            "vdb-entry"
          ],
          "url": "http://www.securitytracker.com/id/1033917"
        },
        {
          "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888"
        },
        {
          "url": "http://www.openssh.com/txt/release-7.0"
        },
        {
          "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380"
        },
        {
          "name": "41173",
          "tags": [
            "exploit"
          ],
          "url": "https://www.exploit-db.com/exploits/41173/"
        },
        {
          "name": "[oss-security] 20170126 Re: OpenSSH: CVE-2015-6565 (pty issue in 6.8-6.9) can lead to local privesc on Linux",
          "tags": [
            "mailing-list"
          ],
          "url": "http://openwall.com/lists/oss-security/2017/01/26/2"
        },
        {
          "name": "76497",
          "tags": [
            "vdb-entry"
          ],
          "url": "http://www.securityfocus.com/bid/76497"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-6565",
    "datePublished": "2015-08-24T00:00:00.000Z",
    "dateReserved": "2015-08-21T00:00:00.000Z",
    "dateUpdated": "2024-08-06T07:22:22.369Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2015-6565",
      "date": "2026-09-16",
      "epss": "0.02667",
      "percentile": "0.84984"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:openbsd:openssh:6.8:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"65A8629A-CFAE-4403-BEE7-622912483702\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:openbsd:openssh:6.9:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D0607649-62FE-41CB-9444-53CD9C5B67C0\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence.\"}, {\"lang\": \"es\", \"value\": \"El fichero sshd en OpenSSH 6.8 and 6.9 fija permisos de lectura para cualquier usuario en dispositivos TTY, lo que posibilita a usuarios locales provocar denegaci\\u00f3n de servicio (desorganizaci\\u00f3n de terminales) o tener un impacto inesperado al escribir sobre un dispositivo, como se demuestra escribiendo una secuencia de escape\"}]",
      "id": "CVE-2015-6565",
      "lastModified": "2024-11-21T02:35:13.683",
      "metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:C/I:C/A:C\", \"baseScore\": 7.2, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 3.9, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2015-08-24T01:59:02.797",
      "references": "[{\"url\": \"http://openwall.com/lists/oss-security/2017/01/26/2\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.openssh.com/txt/release-7.0\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2015/08/22/1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.securityfocus.com/bid/76497\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.securitytracker.com/id/1033917\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://security.gentoo.org/glsa/201512-04\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.exploit-db.com/exploits/41173/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://openwall.com/lists/oss-security/2017/01/26/2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.openssh.com/txt/release-7.0\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2015/08/22/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securityfocus.com/bid/76497\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securitytracker.com/id/1033917\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.gentoo.org/glsa/201512-04\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.exploit-db.com/exploits/41173/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-264\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2015-6565\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2015-08-24T01:59:02.797\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence.\"},{\"lang\":\"es\",\"value\":\"El fichero sshd en OpenSSH 6.8 and 6.9 fija permisos de lectura para cualquier usuario en dispositivos TTY, lo que posibilita a usuarios locales provocar denegaci\u00f3n de servicio (desorganizaci\u00f3n de terminales) o tener un impacto inesperado al escribir sobre un dispositivo, como se demuestra escribiendo una secuencia de escape\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":7.2,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openbsd:openssh:6.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"65A8629A-CFAE-4403-BEE7-622912483702\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openbsd:openssh:6.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D0607649-62FE-41CB-9444-53CD9C5B67C0\"}]}]}],\"references\":[{\"url\":\"http://openwall.com/lists/oss-security/2017/01/26/2\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.openssh.com/txt/release-7.0\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2015/08/22/1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/76497\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securitytracker.com/id/1033917\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.gentoo.org/glsa/201512-04\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.exploit-db.com/exploits/41173/\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://openwall.com/lists/oss-security/2017/01/26/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openssh.com/txt/release-7.0\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2015/08/22/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/76497\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securitytracker.com/id/1033917\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.gentoo.org/glsa/201512-04\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.exploit-db.com/exploits/41173/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T12:15:56+00:00",
      "cve": "CVE-2015-6565",
      "id": "CVE-2015-6565",
      "initial_release_date": "2015-08-11T00:00:00+00:00",
      "product_status:known_not_affected": "19",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "openssh: Incorrectly set TTYs to be world-writable",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-6565.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-03-22T14:55:16Z",
      "cve": "CVE-2015-6565",
      "id": "CVE-2015-6565",
      "initial_release_date": "2023-02-15T05:15:16Z",
      "product_status:known_affected": "2",
      "product_status:known_not_affected": "5",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-6565",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-6565.json",
      "version": "6"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…