CVE-2017-18509

{"id": "CVE-2017-18509", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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}]}, "published": "2019-08-13T14:15:11.977", "references": [{"url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99253eb750fda6a644d5188fb26c43bad8d5a745", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/commit/99253eb750fda6a644d5188fb26c43bad8d5a745", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.openwall.net/netdev/2017/12/04/40", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://pulsesecurity.co.nz/advisories/linux-kernel-4.9-inetcsklistenstop-gpf", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://seclists.org/bugtraq/2019/Aug/26", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://support.f5.com/csp/article/K41582535", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://support.f5.com/csp/article/K41582535?utm_source=f5support&amp%3Butm_medium=RSS", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4145-1/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2019/dsa-4497", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in net/ipv6/ip6mr.c in the Linux kernel before 4.11. By setting a specific socket option, an attacker can control a pointer in kernel land and cause an inet_csk_listen_stop general protection fault, or potentially execute arbitrary code under certain circumstances. The issue can be triggered as root (e.g., inside a default LXC container or with the CAP_NET_ADMIN capability) or after namespace unsharing. This occurs because sk_type and protocol are not checked in the appropriate part of the ip6_mroute_* functions. NOTE: this affects Linux distributions that use 4.9.x longterm kernels before 4.9.187."}, {"lang": "es", "value": "Se detecto un problema en net / ipv6 / ip6mr.c en el kernel de Linux antes de 4.11. Al establecer una opci\u00f3n de socket espec\u00edfica, un atacante puede controlar un puntero en la tierra del kernel y causar una falla de protecci\u00f3n general inet_csk_listen_stop, o potencialmente ejecutar c\u00f3digo arbitrario bajo ciertas circunstancias. El problema se puede desencadenar como root (por ejemplo, dentro de un contenedor LXC predeterminado o con la capacidad CAP_NET_ADMIN) o despu\u00e9s de compartir el espacio de nombres. Esto ocurre porque sk_type y el protocolo no se verifican en la parte apropiada de las funciones ip6_mroute_ *. NOTA: esto afecta a las distribuciones de Linux que usan n\u00facleos a largo plazo 4.9.x anteriores a 4.9.187."}], "lastModified": "2023-11-07T02:41:55.687", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E21EF678-8293-4EB3-BEA1-B35262A1C235", "versionEndExcluding": "3.16.72"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FDF8054B-AF6C-4939-9851-0D88BE49B3F6", "versionEndExcluding": "4.4.187", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3D233DCB-31B1-497B-B266-DA830EAEAE8F", "versionEndExcluding": "4.9.187", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28FFE753-2608-40BE-A218-483B3D8C0241", "versionEndExcluding": "4.11", "versionStartIncluding": "4.10"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}