{ "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/centos7els/vex/2023/cve-2023-45290-els_os-centos7els.json" } ], "tracking": { "current_release_date": "2026-04-10T19:34:45Z", "generator": { "date": "2026-04-10T19:34:48Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2023-45290-ELS_OS-CENTOS7ELS", "initial_release_date": "2023-01-01T00:00:00Z", "revision_history": [ { "date": "2023-01-01T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-04-02T09:41:53Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-04-10T19:34:45Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2023-45290" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version", "name": "pam-devel-0:1.1.8-23.0.1.el7.x86_64", "product": { "name": "pam-devel-0:1.1.8-23.0.1.el7.x86_64", "product_id": "pam-devel-0:1.1.8-23.0.1.el7.x86_64", "product_identification_helper": { "purl": "pkg:rpm/centos/pam-devel@1.1.8-23.0.1.el7?arch=x86_64" } } }, { "category": "product_version", "name": "pam-0:1.1.8-23.0.1.el7.x86_64", "product": { "name": "pam-0:1.1.8-23.0.1.el7.x86_64", "product_id": "pam-0:1.1.8-23.0.1.el7.x86_64", "product_identification_helper": { "purl": "pkg:rpm/centos/pam@1.1.8-23.0.1.el7?arch=x86_64" } } }, { "category": "product_version", "name": "libstdc++-static-0:4.8.5-44.el7.x86_64", "product": { "name": "libstdc++-static-0:4.8.5-44.el7.x86_64", "product_id": "libstdc++-static-0:4.8.5-44.el7.x86_64", "product_identification_helper": { "purl": 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"CentOS-7:libstdc++-static-0:4.8.5-44.el7.x86_64" }, "product_reference": "libstdc++-static-0:4.8.5-44.el7.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.i686 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.i686" }, "product_reference": "libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.i686", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "libstdc++-static-0:4.8.5-44.el7.i686 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:libstdc++-static-0:4.8.5-44.el7.i686" }, "product_reference": "libstdc++-static-0:4.8.5-44.el7.i686", "relates_to_product_reference": "CentOS-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-45290", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "notes": [ { "category": "description", "text": "When parsing a multipart form (either explicitly with Request.ParseMultipartForm or implicitly with Request.FormValue, Request.PostFormValue, or Request.FormFile), limits on the total size of the parsed form were not applied to the memory consumed while reading a single form line. This permits a maliciously crafted input containing very long lines to cause allocation of arbitrarily large amounts of memory, potentially leading to memory exhaustion. With fix, the ParseMultipartForm function now correctly limits the maximum size of form lines.", "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" } ], "product_status": { "known_affected": [ "CentOS-7:libstdc++-static-0:4.8.5-44.el7.i686", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.i686", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.x86_64", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.x86_64", "CentOS-7:pam-0:1.1.8-23.0.1.el7.i686", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els1.i686", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els1.x86_64", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els2.i686", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els2.x86_64", "CentOS-7:pam-0:1.1.8-23.0.1.el7.x86_64", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.i686", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els1.i686", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els1.x86_64", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els2.i686", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els2.x86_64", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2023-45290" } ], "release_date": "2024-03-05T00:00:00Z", "remediations": [ { "category": "no_fix_planned", "details": "This issue is a denial‑of‑service condition in Go’s net/http multipart parser that is only reachable on HTTP endpoints which actually parse multipart/form‑data; services that never handle multipart bodies are not exposed. Exploitation requires sending deliberately long multipart form lines to force excessive allocation and yields no confidentiality or integrity impact—only potential memory exhaustion. In managed enterprise VM/server environments without internet‑facing multipart upload handlers, practical exploitability is low, so this CVE can be safely deprioritized.", "product_ids": [ "CentOS-7:libstdc++-static-0:4.8.5-44.el7.i686", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.i686", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.x86_64", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.x86_64", "CentOS-7:pam-0:1.1.8-23.0.1.el7.i686", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els1.i686", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els1.x86_64", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els2.i686", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els2.x86_64", "CentOS-7:pam-0:1.1.8-23.0.1.el7.x86_64", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.i686", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els1.i686", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els1.x86_64", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els2.i686", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els2.x86_64", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.x86_64" ] }, { "category": "no_fix_planned", "details": "- Only Go HTTP services that actually parse multipart/form-data (e.g., via ParseMultipartForm/FormFile/FormValue) are affected; APIs that don’t accept file uploads are not in scope. \n- The issue is strictly availability-related (memory exhaustion) with no confidentiality or integrity impact, and it offers no code execution or privilege escalation path. \n- In centrally managed server/VM environments, upload endpoints are typically tightly scoped and often fronted by components that cap request sizes, so real-world impact is limited; prioritize only if you expose unauthenticated multipart upload handlers.", "product_ids": [ "CentOS-7:libstdc++-static-0:4.8.5-44.el7.i686", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.i686", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.x86_64", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1" }, "products": [ "CentOS-7:libstdc++-static-0:4.8.5-44.el7.i686", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.i686", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.tuxcare.els1.x86_64", "CentOS-7:libstdc++-static-0:4.8.5-44.el7.x86_64", "CentOS-7:pam-0:1.1.8-23.0.1.el7.i686", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els1.i686", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els1.x86_64", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els2.i686", "CentOS-7:pam-0:1.1.8-23.0.1.el7.tuxcare.els2.x86_64", "CentOS-7:pam-0:1.1.8-23.0.1.el7.x86_64", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.i686", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els1.i686", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els1.x86_64", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els2.i686", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.tuxcare.els2.x86_64", "CentOS-7:pam-devel-0:1.1.8-23.0.1.el7.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ] } ] }