gsd-2015-6564
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Use-after-free vulnerability in the mm_answer_pam_free_ctx function in monitor.c in sshd in OpenSSH before 7.0 on non-OpenBSD platforms might allow local users to gain privileges by leveraging control of the sshd uid to send an unexpectedly early MONITOR_REQ_PAM_FREE_CTX request.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2015-6564",
    "description": "Use-after-free vulnerability in the mm_answer_pam_free_ctx function in monitor.c in sshd in OpenSSH before 7.0 on non-OpenBSD platforms might allow local users to gain privileges by leveraging control of the sshd uid to send an unexpectedly early MONITOR_REQ_PAM_FREE_CTX request.",
    "id": "GSD-2015-6564",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-6564.html",
      "https://access.redhat.com/errata/RHSA-2016:0741",
      "https://access.redhat.com/errata/RHSA-2015:2088",
      "https://alas.aws.amazon.com/cve/html/CVE-2015-6564.html",
      "https://linux.oracle.com/cve/CVE-2015-6564.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-6564"
      ],
      "details": "Use-after-free vulnerability in the mm_answer_pam_free_ctx function in monitor.c in sshd in OpenSSH before 7.0 on non-OpenBSD platforms might allow local users to gain privileges by leveraging control of the sshd uid to send an unexpectedly early MONITOR_REQ_PAM_FREE_CTX request.",
      "id": "GSD-2015-6564",
      "modified": "2023-12-13T01:20:04.137794Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "STATE": "PUBLIC"
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                  {
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                    "version": {
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                        {
                          "version_value": "n/a"
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                    }
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              "vendor_name": "n/a"
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          }
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              }
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          {
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            "name": "20150813 BFS-SA-2015-002: OpenSSH PAM Privilege Separation Vulnerabilities",
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            "name": "[debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security update",
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          },
          {
            "name": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-764",
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          },
          {
            "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
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            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "6.9",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-264"
                }
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          ]
        },
        "references": {
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            {
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              "url": "https://github.com/openssh/openssh-portable/commit/5e75f5198769056089fb06c4d738ab0e5abc66f7"
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            {
              "name": "20150813 BFS-SA-2015-002: OpenSSH PAM Privilege Separation Vulnerabilities",
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              "url": "http://seclists.org/fulldisclosure/2015/Aug/54"
            },
            {
              "name": "[oss-security] 20150821 Re: CVE request - OpenSSH 6.9 PAM privilege separation vulnerabilities",
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            },
            {
              "name": "http://www.openssh.com/txt/release-7.0",
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              "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10136",
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            },
            {
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              "url": "http://rhn.redhat.com/errata/RHSA-2016-0741.html"
            },
            {
              "name": "[debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security update",
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              "tags": [],
              "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-764"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 6.9,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.4,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2022-12-13T12:15Z",
      "publishedDate": "2015-08-24T01:59Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.