{ "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/centos7els/vex/2022/cve-2022-43995-els_os-centos7els.json" } ], "tracking": { "current_release_date": "2026-06-12T16:44:52Z", "generator": { "date": "2026-06-12T16:44:52Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2022-43995-ELS_OS-CENTOS7ELS", "initial_release_date": "2022-11-02T14:15:00Z", "revision_history": [ { "date": "2022-11-02T14:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-10-16T19:51:53Z", "number": "2", "summary": "Official Publication" }, { "date": "2025-12-23T20:55:41Z", "number": "3", "summary": "Update document" }, { "date": "2026-06-12T16:44:52Z", "number": "4", "summary": "Update document" } ], "status": "final", "version": "4" }, "title": "Security update on CVE-2022-43995" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Community Enterprise Operating System 7", "product": { "name": "Community Enterprise Operating System 7", "product_id": "CentOS-7", "product_identification_helper": { "cpe": "cpe:2.3:o:centos:centos:7:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Community Enterprise Operating System" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "sudo-0:1.8.23-10.el7_9.3.tuxcare.els3.x86_64", "product": { "name": "sudo-0:1.8.23-10.el7_9.3.tuxcare.els3.x86_64", "product_id": "sudo-0:1.8.23-10.el7_9.3.tuxcare.els3.x86_64", "product_identification_helper": { "purl": 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{ "name": "sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.i686 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.i686" }, "product_reference": "sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.i686", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.x86_64" }, "product_reference": "sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64" }, "product_reference": "sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.i686 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.i686" }, "product_reference": "sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.i686", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:sudo-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64" }, "product_reference": "sudo-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64", "relates_to_product_reference": "CentOS-7" } ] }, "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": [ "CentOS-7:sudo-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64", "CentOS-7:sudo-0:1.8.23-10.el7_9.3.tuxcare.els1.x86_64", "CentOS-7:sudo-0:1.8.23-10.el7_9.3.tuxcare.els2.x86_64", "CentOS-7:sudo-0:1.8.23-10.el7_9.3.tuxcare.els3.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.i686", "CentOS-7:sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els1.i686", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els1.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.i686", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els3.i686", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els3.x86_64" ] }, "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": [ "CentOS-7:sudo-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64", "CentOS-7:sudo-0:1.8.23-10.el7_9.3.tuxcare.els1.x86_64", "CentOS-7:sudo-0:1.8.23-10.el7_9.3.tuxcare.els2.x86_64", "CentOS-7:sudo-0:1.8.23-10.el7_9.3.tuxcare.els3.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.i686", "CentOS-7:sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els1.i686", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els1.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.i686", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els3.i686", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" }, { "category": "impact", "date": "2026-06-12T12:57:54.847422Z", "details": "Not affected: CVE-2022-43995 is only reachable when sudo is built or configured to use its legacy crypt() password backend; with PAM-based authentication, the vulnerable passwd.c code path is not executed. In centrally managed enterprise Linux deployments (VMs or bare metal), sudo authenticates via PAM rather than crypt(), so although 1.8.23 falls within the version range, the prerequisite backend is absent and the CVE does not apply.", "product_ids": [ "CentOS-7:sudo-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64", "CentOS-7:sudo-0:1.8.23-10.el7_9.3.tuxcare.els1.x86_64", "CentOS-7:sudo-0:1.8.23-10.el7_9.3.tuxcare.els2.x86_64", "CentOS-7:sudo-0:1.8.23-10.el7_9.3.tuxcare.els3.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.i686", "CentOS-7:sudo-devel-0:1.8.23-10.0.1.el7_9.3.tuxcare.els3.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els1.i686", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els1.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.i686", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els2.x86_64", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els3.i686", "CentOS-7:sudo-devel-0:1.8.23-10.el7_9.3.tuxcare.els3.x86_64" ] } ] } ] }