{ "document": { "aggregate_severity": { "text": "Medium" }, "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/ubuntu18.04els/vex/2022/cve-2022-33070-els_os-ubuntu18_04els.json" } ], "tracking": { "current_release_date": "2026-06-13T08:37:27Z", "generator": { "date": "2026-06-14T03:42:11Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2022-33070-ELS_OS-UBUNTU18.04ELS", "initial_release_date": "2022-06-23T17:15:00Z", "revision_history": [ { "date": "2022-06-23T17:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-11-29T14:42:54Z", "number": "2", "summary": "Official Publication" }, { "date": "2025-12-23T22:15:38Z", "number": "3", "summary": "Update document" }, { "date": "2026-06-13T08:37:27Z", "number": "4", "summary": "Update document" } ], "status": "final", "version": "4" }, "title": "Security update on CVE-2022-33070" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 18.04", "product": { "name": "Ubuntu 18.04", "product_id": "Ubuntu-18", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "product": { "name": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "product_id": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/sudo@1.8.21p2-3ubuntu1.6%2Btuxcare.els2?arch=amd64" } } }, { "category": "product_version", "name": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "product": { "name": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "product_id": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/sudo@1.8.21p2-3ubuntu1.6%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "product": { "name": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "product_id": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/sudo-ldap@1.8.21p2-3ubuntu1.6%2Btuxcare.els2?arch=amd64" } } }, { "category": "product_version", "name": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "product": { "name": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "product_id": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/sudo-ldap@1.8.21p2-3ubuntu1.6%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "product": { "name": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "product_id": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/sudo-ldap@1.8.21p2-3ubuntu1.6%2Btuxcare.els3?arch=amd64" } } }, { "category": "product_version", "name": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "product": { "name": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "product_id": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/sudo@1.8.21p2-3ubuntu1.6%2Btuxcare.els3?arch=amd64" } } } ], "category": "architecture", "name": "amd64" } ], "category": "vendor", "name": "CloudLinux" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64" }, "product_reference": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "relates_to_product_reference": "Ubuntu-18" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64" }, "product_reference": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-18" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64" }, "product_reference": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "relates_to_product_reference": "Ubuntu-18" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64" }, "product_reference": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-18" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64" }, "product_reference": "sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "relates_to_product_reference": "Ubuntu-18" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64" }, "product_reference": "sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "relates_to_product_reference": "Ubuntu-18" } ] }, "vulnerabilities": [ { "cve": "CVE-2022-33070", "notes": [ { "category": "description", "text": "Protobuf-c v1.4.0 was discovered to contain an invalid arithmetic shift via the function parse_tag_and_wiretype in protobuf-c/protobuf-c.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via unspecified vectors.", "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-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2022-33070" }, { "category": "external", "summary": "https://github.com/protobuf-c/protobuf-c/issues/506", "url": "https://github.com/protobuf-c/protobuf-c/issues/506" }, { "category": "external", "summary": "https://github.com/protobuf-c/protobuf-c/pull/508", "url": "https://github.com/protobuf-c/protobuf-c/pull/508" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFN2GHUEGTSHRD7J5PKQ5DRSJSEQ2IKN/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFN2GHUEGTSHRD7J5PKQ5DRSJSEQ2IKN/" } ], "release_date": "2022-06-23T17:15:00Z", "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" }, { "category": "impact", "date": "2026-06-12T12:58:12.333178Z", "details": "CVE-2022-33070 targets the protobuf-c library (v1.4.0), specifically the parse_tag_and_wiretype routine in protobuf-c/protobuf-c.c; it is not a flaw in sudo itself. Sudo 1.8.21 does not include or link against protobuf-c, so the affected code and its parsing path are absent. Therefore, this CVE is inapplicable to the stated project/version.", "product_ids": [ "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64", "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64", "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64", "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64" ] } ] } ] }