gsd-2019-8956
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
Aliases
Aliases
CVE-2019-8956


To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-8956",
    "description": "In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the \"sctp_sendmsg()\" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.",
    "id": "GSD-2019-8956",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-8956.html",
      "https://ubuntu.com/security/CVE-2019-8956"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-8956"
      ],
      "details": "In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the \"sctp_sendmsg()\" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.",
      "id": "GSD-2019-8956",
      "modified": "2023-12-13T01:23:48.586180Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "PSIRT-CNA@flexerasoftware.com",
        "ID": "CVE-2019-8956",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux Kernel",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "4.20.x prior to 4.20.8"
                        },
                        {
                          "version_value": "4.19.x prior to 4.19.21"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "UNKNOWN"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the \"sctp_sendmsg()\" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Privilege escalation"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21",
            "refsource": "MISC",
            "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21"
          },
          {
            "name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8",
            "refsource": "MISC",
            "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8"
          },
          {
            "name": "https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/",
            "refsource": "MISC",
            "url": "https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/"
          },
          {
            "name": "https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0",
            "refsource": "MISC",
            "url": "https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0"
          },
          {
            "name": "USN-3930-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/3930-1/"
          },
          {
            "name": "USN-3930-2",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/3930-2/"
          },
          {
            "name": "https://support.f5.com/csp/article/K12671141",
            "refsource": "CONFIRM",
            "url": "https://support.f5.com/csp/article/K12671141"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.20.8",
                "versionStartIncluding": "4.20",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.19.21",
                "versionStartIncluding": "4.17",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "PSIRT-CNA@flexerasoftware.com",
          "ID": "CVE-2019-8956"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the \"sctp_sendmsg()\" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-787"
                },
                {
                  "lang": "en",
                  "value": "CWE-416"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/",
              "refsource": "MISC",
              "tags": [
                "Broken Link"
              ],
              "url": "https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/"
            },
            {
              "name": "https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0",
              "refsource": "MISC",
              "tags": [
                "Mailing List",
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0"
            },
            {
              "name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8"
            },
            {
              "name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21"
            },
            {
              "name": "USN-3930-2",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://usn.ubuntu.com/3930-2/"
            },
            {
              "name": "USN-3930-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://usn.ubuntu.com/3930-1/"
            },
            {
              "name": "https://support.f5.com/csp/article/K12671141",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://support.f5.com/csp/article/K12671141"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-02-24T18:43Z",
      "publishedDate": "2019-04-01T19:29Z"
    }
  }
}


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