CVE-2023-4911

{"id": "CVE-2023-4911", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2023-10-03T18:15:10.463", "references": [{"url": "http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html", "tags": ["Exploit", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html", "tags": ["Exploit", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://seclists.org/fulldisclosure/2023/Oct/11", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/03/2", "tags": ["Exploit", "Mailing List"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/03/3", "tags": ["Mailing List", "Patch"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/05/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/13/11", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/14/3", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/14/5", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/14/6", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:5453", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:5454", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:5455", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:5476", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0033", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2023-4911", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2238352", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/", "tags": ["Exploit", "Mailing List"], "source": "secalert@redhat.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/202310-03", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://security.netapp.com/advisory/ntap-20231013-0006/", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.debian.org/security/2023/dsa-5514", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt", "tags": ["Exploit"], "source": "secalert@redhat.com"}, {"url": "https://www.qualys.com/cve-2023-4911/", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges."}, {"lang": "es", "value": "Se descubri\u00f3 un desbordamiento del b\u00fafer en el cargador din\u00e1mico ld.so de la librer\u00eda GNU C mientras se procesaba la variable de entorno GLIBC_TUNABLES. Este problema podr\u00eda permitir que un atacante local utilice variables de entorno GLIBC_TUNABLES manipuladas con fines malintencionados al iniciar archivos binarios con permiso SUID para ejecutar c\u00f3digo con privilegios elevados."}], "lastModified": "2024-02-22T20:18:58.020", "cisaActionDue": "2023-12-12", "cisaExploitAdd": "2023-11-21", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "71609239-5262-473E-ACCE-18AE51AB184E", "versionEndExcluding": "2.39", "versionStartIncluding": "2.34"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:codeready_linux_builder_eus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8BE16CC2-C6B4-4B73-98A1-F28475A92F49"}, {"criteria": "cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB1DF28D-0D84-4E40-8E46-BA0EFD371111"}, {"criteria": "cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3C1A0CA2-2BBD-4A7A-B467-F456867D5EC6"}, {"criteria": "cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "845B853C-8F99-4987-AA8E-76078CE6A977"}, {"criteria": "cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6BBD7A51-0590-4DDF-8249-5AFA8D645CB6"}, {"criteria": "cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB28F9AF-3D06-4532-B397-96D7E4792503"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6C3741B8-851F-475D-B428-523F4F722350"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.6_aarch64:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "37B7CE5C-BFEA-4F96-9759-D511EF189059"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B2C0ED62-9DEE-437C-AC01-0173128259DB"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:8.6_ppc64le:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A633E21A-EBAA-41C9-A009-A36BDC762464"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76C24D94-834A-4E9D-8F73-624AFA99AAA2"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1272DF03-7674-4BD4-8E64-94004B195448"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com", "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "GNU C Library Buffer Overflow Vulnerability"}