msrc_cve-2019-13636
Vulnerability from csaf_microsoft
Published
2019-07-02 00:00
Modified
2024-06-30 07:00
Summary
In GNU patch through 2.7.6 the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.


To clipboard 

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2019-13636 In GNU patch through 2.7.6 the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2019/msrc_cve-2019-13636.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "In GNU patch through 2.7.6 the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.",
    "tracking": {
      "current_release_date": "2024-06-30T07:00:00.000Z",
      "generator": {
        "date": "2025-10-19T17:44:23.555Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2019-13636",
      "initial_release_date": "2019-07-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2020-08-18T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2021-12-16T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added patch to CBL-Mariner 2.0"
        },
        {
          "date": "2024-06-30T07:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "16817"
                }
              },
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 patch 2.7.6-7",
                "product": {
                  "name": "\u003ccm1 patch 2.7.6-7",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 patch 2.7.6-7",
                "product": {
                  "name": "cm1 patch 2.7.6-7",
                  "product_id": "16925"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 patch 2.7.6-7",
                "product": {
                  "name": "\u003ccbl2 patch 2.7.6-7",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 patch 2.7.6-7",
                "product": {
                  "name": "cbl2 patch 2.7.6-7",
                  "product_id": "16926"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 patch 2.7.6-9",
                "product": {
                  "name": "\u003cazl3 patch 2.7.6-9",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 patch 2.7.6-9",
                "product": {
                  "name": "azl3 patch 2.7.6-9",
                  "product_id": "16927"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 patch 2.7.6-9",
                "product": {
                  "name": "\u003cazl3 patch 2.7.6-9",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 patch 2.7.6-9",
                "product": {
                  "name": "azl3 patch 2.7.6-9",
                  "product_id": "16927"
                }
              }
            ],
            "category": "product_name",
            "name": "patch"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 patch 2.7.6-7 as a component of CBL Mariner 1.0",
          "product_id": "16820-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 patch 2.7.6-7 as a component of CBL Mariner 1.0",
          "product_id": "16925-16820"
        },
        "product_reference": "16925",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 patch 2.7.6-7 as a component of CBL Mariner 2.0",
          "product_id": "17086-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 patch 2.7.6-7 as a component of CBL Mariner 2.0",
          "product_id": "16926-17086"
        },
        "product_reference": "16926",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 patch 2.7.6-9 as a component of Azure Linux 3.0",
          "product_id": "16817-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "16817"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 patch 2.7.6-9 as a component of Azure Linux 3.0",
          "product_id": "16927-16817"
        },
        "product_reference": "16927",
        "relates_to_product_reference": "16817"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 patch 2.7.6-9 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 patch 2.7.6-9 as a component of Azure Linux 3.0",
          "product_id": "16927-17084"
        },
        "product_reference": "16927",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-13636",
      "cwe": {
        "id": "CWE-59",
        "name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "16925-16820",
          "16926-17086",
          "16927-16817",
          "16927-17084"
        ],
        "known_affected": [
          "16820-4",
          "17086-3",
          "16817-1",
          "17084-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2019-13636 In GNU patch through 2.7.6 the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2019/msrc_cve-2019-13636.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-08-18T00:00:00.000Z",
          "details": "2.7.6-7:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-4",
            "17086-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2020-08-18T00:00:00.000Z",
          "details": "2.7.6-9:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16817-1",
            "17084-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 5.9,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "16820-4",
            "17086-3",
            "16817-1",
            "17084-2"
          ]
        }
      ],
      "title": "In GNU patch through 2.7.6 the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c."
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • 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.