{ "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/centos6els/vex/2023/cve-2023-5981-els_os-centos6els.json" } ], "tracking": { "current_release_date": "2026-09-15T08:59:07Z", "generator": { "date": "2026-09-15T08:59:07Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2023-5981-ELS_OS-CENTOS6ELS", "initial_release_date": "2023-11-28T12:15:00Z", "revision_history": [ { "date": "2023-11-28T12:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-09-15T08:59:07Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security update on CVE-2023-5981" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Community Enterprise Operating System 6", "product": { "name": "Community Enterprise Operating System 6", "product_id": "CentOS-6", "product_identification_helper": { "cpe": "cpe:2.3:o:centos:centos:6:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Community Enterprise Operating System" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686", "product": { "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686", "product_id": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686", "product_identification_helper": { "purl": "pkg:rpm/cloudlinux/gnutls-devel@2.12.23-22.el6.tuxcare.els1?arch=i686" } } }, { "category": "product_version", "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686", "product": { "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686", "product_id": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686", "product_identification_helper": { "purl": "pkg:rpm/cloudlinux/gnutls-guile@2.12.23-22.el6.tuxcare.els1?arch=i686" } } }, { "category": "product_version", "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686", "product": { "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686", "product_id": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686", "product_identification_helper": { "purl": "pkg:rpm/cloudlinux/gnutls@2.12.23-22.el6.tuxcare.els1?arch=i686" } } } ], "category": "architecture", "name": "i686" }, { "branches": [ { "category": "product_version", "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product": { "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product_id": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/cloudlinux/gnutls-devel@2.12.23-22.el6.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product": { "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product_id": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/cloudlinux/gnutls-guile@2.12.23-22.el6.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product": { "name": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product_id": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/cloudlinux/gnutls-utils@2.12.23-22.el6.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product": { "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product_id": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/cloudlinux/gnutls@2.12.23-22.el6.tuxcare.els1?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "CloudLinux" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686" }, "product_reference": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686", "relates_to_product_reference": "CentOS-6" }, { "category": "default_component_of", "full_product_name": { "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64" }, "product_reference": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-6" }, { "category": "default_component_of", "full_product_name": { "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64" }, "product_reference": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-6" }, { "category": "default_component_of", "full_product_name": { "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686" }, "product_reference": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686", "relates_to_product_reference": "CentOS-6" }, { "category": "default_component_of", "full_product_name": { "name": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64" }, "product_reference": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-6" }, { "category": "default_component_of", "full_product_name": { "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64" }, "product_reference": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-6" }, { "category": "default_component_of", "full_product_name": { "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.i686" }, "product_reference": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686", "relates_to_product_reference": "CentOS-6" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-5981", "cwe": { "id": "CWE-208", "name": "Observable Timing Discrepancy" }, "notes": [ { "category": "description", "text": "A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.", "title": "Vulnerability description" }, { "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-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.i686", "CentOS-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64", "CentOS-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686", "CentOS-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64", "CentOS-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686", "CentOS-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64", "CentOS-6:gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2023-5981" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2024:0155", "url": "https://access.redhat.com/errata/RHSA-2024:0155" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2024:0319", "url": "https://access.redhat.com/errata/RHSA-2024:0319" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2024:0399", "url": "https://access.redhat.com/errata/RHSA-2024:0399" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2024:0451", "url": "https://access.redhat.com/errata/RHSA-2024:0451" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2024:0533", "url": "https://access.redhat.com/errata/RHSA-2024:0533" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2024:1383", "url": "https://access.redhat.com/errata/RHSA-2024:1383" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2024:2094", "url": "https://access.redhat.com/errata/RHSA-2024:2094" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2023-5981", "url": "https://access.redhat.com/security/cve/CVE-2023-5981" }, { "category": "external", "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2248445", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2248445" }, { "category": "external", "summary": "https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23", "url": "https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2024/01/19/3", "url": "http://www.openwall.com/lists/oss-security/2024/01/19/3" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2023/11/msg00016.html", "url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00016.html" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/" } ], "release_date": "2023-11-28T12:15:00Z", "threats": [ { "category": "impact", "details": "Moderate" }, { "category": "impact", "date": "2026-07-09T12:06:15.780828Z", "details": "Not vulnerable: CVE-2023-5981 impacts only the RSA‑PSK ClientKeyExchange path in GnuTLS. GnuTLS 2.12.23 on CentOS 6 does not implement RSA‑PSK cipher suites (only PSK and DHE‑PSK are available), so the affected code path is absent. Consequently, the timing side‑channel described by this CVE is not present in this environment.", "product_ids": [ "CentOS-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.i686", "CentOS-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64", "CentOS-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686", "CentOS-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64", "CentOS-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686", "CentOS-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64", "CentOS-6:gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64" ] } ] } ] }