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{"descriptions": [{"lang": "en", "value": "On Linux, Node.js ignores certain environment variables if those may have been set by an unprivileged user while the process is running with elevated privileges with the only exception of CAP_NET_BIND_SERVICE.\nDue to a bug in the implementation of this exception, Node.js incorrectly applies this exception even when certain other capabilities have been set.\nThis allows unprivileged users to inject code that inherits the process's elevated privileges."}, {"lang": "es", "value": "En Linux, Node.js ignora ciertas variables de entorno si pueden haber sido configuradas por un usuario sin privilegios mientras el proceso se ejecuta con privilegios elevados con la \u00fanica excepci\u00f3n de CAP_NET_BIND_SERVICE. Debido a un error en la implementaci\u00f3n de esta excepci\u00f3n, Node.js aplica incorrectamente esta excepci\u00f3n incluso cuando se han configurado otras capacidades. Esto permite a los usuarios sin privilegios inyectar c\u00f3digo que hereda los privilegios elevados del proceso."}], "id": "CVE-2024-21892", "lastModified": "2024-11-21T08:55:12.463", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 1.1, "impactScore": 5.8, "source": "support@hackerone.com", "type": "Secondary"}]}, "published": "2024-02-20T02:15:50.567", "references": [{"source": "support@hackerone.com", "url": "http://www.openwall.com/lists/oss-security/2024/03/11/1"}, {"source": "support@hackerone.com", "url": "https://hackerone.com/reports/2237545"}, {"source": "support@hackerone.com", "url": "https://security.netapp.com/advisory/ntap-20240322-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2024/03/11/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://hackerone.com/reports/2237545"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240322-0003/"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:1510", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:18-8090020240301110609.a75119d5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-03-26T00:00:00Z"}, {"advisory": "RHSA-2024:1687", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:20-8090020240228165436.a75119d5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-04-08T00:00:00Z"}, {"advisory": "RHSA-2024:1880", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "nodejs:18-8080020240322102042.63b34585", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-04-18T00:00:00Z"}, {"advisory": "RHSA-2024:1503", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "nodejs:18-9030020240301111035.rhel9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-03-25T00:00:00Z"}, {"advisory": "RHSA-2024:1688", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "nodejs:20-9030020240229115828.rhel9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-08T00:00:00Z"}, {"advisory": "RHSA-2024:1932", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "nodejs:18-9020020240322155241.rhel9", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-04-22T00:00:00Z"}], "bugzilla": {"description": "nodejs: code injection and privilege escalation through Linux capabilities", "id": "2264582", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2264582"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-94", "details": ["On Linux, Node.js ignores certain environment variables if those may have been set by an unprivileged user while the process is running with elevated privileges with the only exception of CAP_NET_BIND_SERVICE.\nDue to a bug in the implementation of this exception, Node.js incorrectly applies this exception even when certain other capabilities have been set.\nThis allows unprivileged users to inject code that inherits the process's elevated privileges.", "A flaw was found in Node.js. On Linux, Node.js ignores certain environment variables if an unprivileged user has set them while the process is running with elevated privileges, except for CAP_NET_BIND_SERVICE. Due to a bug in the implementation of this exception, Node.js incorrectly applies this exception even when other capabilities have been set. This flaw allows unprivileged users to inject code that inherits the process's elevated privileges."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-21892", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "nodejs:16/nodejs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "nodejs", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-02-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-21892\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-21892"], "statement": "This vulnerability is classified as an Important severity rather than Critical due to several factors. While it allows unprivileged users to inject code and potentially escalate privileges in a process running with elevated privileges, it does so under specific conditions and limitations. The vulnerability only affects Linux systems where Node.js is running with elevated privileges, and it relies on a specific bug in handling environment variables set by unprivileged users. Additionally, the impact is constrained to the Node.js environment and does not directly compromise the underlying operating system.", "threat_severity": "Important", "upstream_fix": "node 18.19.1, node 20.11.1, node 21.6.2"}