{ "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/ubuntu20.04els/vex/2022/cve-2022-43995-els_os-ubuntu20_04els.json" } ], "tracking": { "current_release_date": "2026-04-20T12:25:29Z", "generator": { "date": "2026-04-20T12:25:29Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2022-43995-ELS_OS-UBUNTU20.04ELS", "initial_release_date": "2022-11-02T14:15:00Z", "revision_history": [ { "date": "2022-11-02T14:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-04-20T12:25:29Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security update on CVE-2022-43995" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 20.04", "product": { "name": "Ubuntu 20.04", "product_id": "Ubuntu-20", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "sudo-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "product": { "name": "sudo-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "product_id": "sudo-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/sudo@1.8.31-1ubuntu1.5%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "sudo-ldap-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "product": { "name": "sudo-ldap-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "product_id": "sudo-ldap-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/sudo-ldap@1.8.31-1ubuntu1.5%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "sudo-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:sudo-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64" }, "product_reference": "sudo-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-ldap-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:sudo-ldap-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64" }, "product_reference": "sudo-ldap-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" } ] }, "vulnerabilities": [ { "cve": "CVE-2022-43995", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "notes": [ { "category": "description", "text": "Sudo 1.8.0 through 1.9.12, with the crypt() password backend, contains a plugins/sudoers/auth/passwd.c array-out-of-bounds error that can result in a heap-based buffer over-read. This can be triggered by arbitrary local users with access to Sudo by entering a password of seven characters or fewer. The impact could vary depending on the system libraries, compiler, and processor architecture.", "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-20:sudo-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "Ubuntu-20:sudo-ldap-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2022-43995" }, { "category": "external", "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2139911", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139911" }, { "category": "external", "summary": "https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050", "url": "https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050" }, { "category": "external", "summary": "https://news.ycombinator.com/item?id=33465707", "url": "https://news.ycombinator.com/item?id=33465707" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/202211-08", "url": "https://security.gentoo.org/glsa/202211-08" }, { "category": "external", "summary": "https://www.sudo.ws/security/advisories/", "url": "https://www.sudo.ws/security/advisories/" } ], "release_date": "2022-11-02T14:15:00Z", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "products": [ "Ubuntu-20:sudo-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "Ubuntu-20:sudo-ldap-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64" ] } ], "threats": [ { "category": "impact", "details": "Important" }, { "category": "impact", "details": "important", "product_ids": [ "Ubuntu-20:sudo-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64", "Ubuntu-20:sudo-ldap-0:1.8.31-1ubuntu1.5+tuxcare.els1.amd64" ] } ] } ] }