{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu16.04els/vex/2022/cve-2022-23181-els_os-ubuntu16_04els.json"
      }
    ],
    "title": "Security update on CVE-2022-23181",
    "tracking": {
      "current_release_date": "2025-12-23T22:15:38Z",
      "generator": {
        "date": "2025-12-23T22:15:38Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2022-23181-ELS_OS-UBUNTU16.04ELS",
      "initial_release_date": "2022-01-27T13:15:00Z",
      "revision_history": [
        {
          "date": "2022-01-27T13:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2025-11-29T17:40:49Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2025-12-23T22:15:38Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Ubuntu 16.04",
                "product": {
                  "name": "Ubuntu 16.04",
                  "product_id": "Ubuntu-16",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Ubuntu"
          }
        ],
        "category": "vendor",
        "name": "Canonical Ltd."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els1.all",
                "product": {
                  "name": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els1.all",
                  "product_id": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libservlet3.0-java@7.0.68-1ubuntu0.4%2Btuxcare.els1?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                "product": {
                  "name": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_id": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libservlet3.0-java@7.0.68-1ubuntu0.4%2Btuxcare.els2?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libservlet3.0-java-doc-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                "product": {
                  "name": "libservlet3.0-java-doc-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_id": "libservlet3.0-java-doc-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libservlet3.0-java-doc@7.0.68-1ubuntu0.4%2Btuxcare.els2?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "tomcat7-admin-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                "product": {
                  "name": "tomcat7-admin-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_id": "tomcat7-admin-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/tomcat7-admin@7.0.68-1ubuntu0.4%2Btuxcare.els2?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "tomcat7-common-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                "product": {
                  "name": "tomcat7-common-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_id": "tomcat7-common-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/tomcat7-common@7.0.68-1ubuntu0.4%2Btuxcare.els2?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "tomcat7-docs-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                "product": {
                  "name": "tomcat7-docs-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_id": "tomcat7-docs-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/tomcat7-docs@7.0.68-1ubuntu0.4%2Btuxcare.els2?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "tomcat7-examples-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                "product": {
                  "name": "tomcat7-examples-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_id": "tomcat7-examples-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/tomcat7-examples@7.0.68-1ubuntu0.4%2Btuxcare.els2?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "tomcat7-user-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                "product": {
                  "name": "tomcat7-user-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_id": "tomcat7-user-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/tomcat7-user@7.0.68-1ubuntu0.4%2Btuxcare.els2?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libtomcat7-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                "product": {
                  "name": "libtomcat7-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_id": "libtomcat7-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libtomcat7-java@7.0.68-1ubuntu0.4%2Btuxcare.els2?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "tomcat7-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                "product": {
                  "name": "tomcat7-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_id": "tomcat7-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/tomcat7@7.0.68-1ubuntu0.4%2Btuxcare.els2?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els1.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els1.all"
        },
        "product_reference": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els1.all",
        "relates_to_product_reference": "Ubuntu-16"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        },
        "product_reference": "libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-16"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libservlet3.0-java-doc-0:7.0.68-1ubuntu0.4+tuxcare.els2.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:libservlet3.0-java-doc-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        },
        "product_reference": "libservlet3.0-java-doc-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-16"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "tomcat7-admin-0:7.0.68-1ubuntu0.4+tuxcare.els2.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:tomcat7-admin-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        },
        "product_reference": "tomcat7-admin-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-16"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "tomcat7-common-0:7.0.68-1ubuntu0.4+tuxcare.els2.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:tomcat7-common-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        },
        "product_reference": "tomcat7-common-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-16"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "tomcat7-docs-0:7.0.68-1ubuntu0.4+tuxcare.els2.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:tomcat7-docs-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        },
        "product_reference": "tomcat7-docs-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-16"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "tomcat7-examples-0:7.0.68-1ubuntu0.4+tuxcare.els2.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:tomcat7-examples-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        },
        "product_reference": "tomcat7-examples-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-16"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "tomcat7-user-0:7.0.68-1ubuntu0.4+tuxcare.els2.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:tomcat7-user-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        },
        "product_reference": "tomcat7-user-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-16"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libtomcat7-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:libtomcat7-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        },
        "product_reference": "libtomcat7-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-16"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "tomcat7-0:7.0.68-1ubuntu0.4+tuxcare.els2.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:tomcat7-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        },
        "product_reference": "tomcat7-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-16"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-23181",
      "cwe": {
        "id": "CWE-367",
        "name": "Time-of-check Time-of-use (TOCTOU) Race Condition"
      },
      "notes": [
        {
          "category": "description",
          "text": "The fix for bug CVE-2020-9484 introduced a time of check, time of use vulnerability into Apache Tomcat 10.1.0-M1 to 10.1.0-M8, 10.0.0-M5 to 10.0.14, 9.0.35 to 9.0.56 and 8.5.55 to 8.5.73 that allowed a local attacker to perform actions with the privileges of the user that the Tomcat process is using. This issue is only exploitable when Tomcat is configured to persist sessions using the FileStore.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Ubuntu-16:libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els1.all",
          "Ubuntu-16:libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
          "Ubuntu-16:libservlet3.0-java-doc-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
          "Ubuntu-16:libtomcat7-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
          "Ubuntu-16:tomcat7-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
          "Ubuntu-16:tomcat7-admin-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
          "Ubuntu-16:tomcat7-common-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
          "Ubuntu-16:tomcat7-docs-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
          "Ubuntu-16:tomcat7-examples-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
          "Ubuntu-16:tomcat7-user-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2022-23181"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread/l8x62p3k19yfcb208jo4zrb83k5mfwg9",
          "url": "https://lists.apache.org/thread/l8x62p3k19yfcb208jo4zrb83k5mfwg9"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html",
          "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20220217-0010/",
          "url": "https://security.netapp.com/advisory/ntap-20220217-0010/"
        },
        {
          "category": "external",
          "summary": "https://www.debian.org/security/2022/dsa-5265",
          "url": "https://www.debian.org/security/2022/dsa-5265"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpuapr2022.html",
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpujul2022.html",
          "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
        }
      ],
      "release_date": "2022-01-27T13:15:00Z",
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "HIGH",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Ubuntu-16:libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els1.all",
            "Ubuntu-16:libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:libservlet3.0-java-doc-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:libtomcat7-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-admin-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-common-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-docs-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-examples-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-user-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "details": "important",
          "product_ids": [
            "Ubuntu-16:libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els1.all",
            "Ubuntu-16:libservlet3.0-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:libservlet3.0-java-doc-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:libtomcat7-java-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-admin-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-common-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-docs-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-examples-0:7.0.68-1ubuntu0.4+tuxcare.els2.all",
            "Ubuntu-16:tomcat7-user-0:7.0.68-1ubuntu0.4+tuxcare.els2.all"
          ]
        }
      ]
    }
  ]
}