fkie_cve-2017-18509
Vulnerability from fkie_nvd
Published
2019-08-13 14:15
Modified
2024-11-21 03:20
Summary
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.
References
cve@mitre.orghttp://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory, VDB Entry
cve@mitre.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99253eb750fda6a644d5188fb26c43bad8d5a745Patch, Vendor Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/99253eb750fda6a644d5188fb26c43bad8d5a745Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/08/msg00016.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/08/msg00017.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.openwall.net/netdev/2017/12/04/40Mailing List, Third Party Advisory
cve@mitre.orghttps://pulsesecurity.co.nz/advisories/linux-kernel-4.9-inetcsklistenstop-gpfExploit, Third Party Advisory
cve@mitre.orghttps://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32Third Party Advisory
cve@mitre.orghttps://seclists.org/bugtraq/2019/Aug/26Mailing List, Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K41582535Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K41582535?utm_source=f5support&amp%3Butm_medium=RSS
cve@mitre.orghttps://usn.ubuntu.com/4145-1/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2019/dsa-4497Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99253eb750fda6a644d5188fb26c43bad8d5a745Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/99253eb750fda6a644d5188fb26c43bad8d5a745Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/08/msg00016.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/08/msg00017.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.openwall.net/netdev/2017/12/04/40Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://pulsesecurity.co.nz/advisories/linux-kernel-4.9-inetcsklistenstop-gpfExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Aug/26Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K41582535Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K41582535?utm_source=f5support&amp%3Butm_medium=RSS
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4145-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4497Third Party Advisory



{
  "configurations": [
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      "nodes": [
        {
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              "matchCriteriaId": "E21EF678-8293-4EB3-BEA1-B35262A1C235",
              "versionEndExcluding": "3.16.72",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FDF8054B-AF6C-4939-9851-0D88BE49B3F6",
              "versionEndExcluding": "4.4.187",
              "versionStartIncluding": "3.17",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3D233DCB-31B1-497B-B266-DA830EAEAE8F",
              "versionEndExcluding": "4.9.187",
              "versionStartIncluding": "4.5",
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              "versionEndExcluding": "4.11",
              "versionStartIncluding": "4.10",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
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  ],
  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2017-18509",
  "lastModified": "2024-11-21T03:20:16.993",
  "metrics": {
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        "baseSeverity": "HIGH",
        "cvssData": {
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2019-08-13T14:15:11.977",
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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