Vulnerability-Lookup

FKIE_CVE-2017-18509

Vulnerability from fkie_nvd - Published: 2019-08-13 14:15 - Updated: 2026-06-17 01:13

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

URL	Tags
cve@mitre.org	http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html	Third Party Advisory, VDB Entry
cve@mitre.org	https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99253eb750fda6a644d5188fb26c43bad8d5a745	Patch, Vendor Advisory
cve@mitre.org	https://github.com/torvalds/linux/commit/99253eb750fda6a644d5188fb26c43bad8d5a745	Patch, Third Party Advisory
cve@mitre.org	https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html	Mailing List, Third Party Advisory
cve@mitre.org	https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html	Mailing List, Third Party Advisory
cve@mitre.org	https://lists.openwall.net/netdev/2017/12/04/40	Mailing List, Third Party Advisory
cve@mitre.org	https://pulsesecurity.co.nz/advisories/linux-kernel-4.9-inetcsklistenstop-gpf	Exploit, Third Party Advisory
cve@mitre.org	https://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32	Third Party Advisory
cve@mitre.org	https://seclists.org/bugtraq/2019/Aug/26	Mailing List, Third Party Advisory
cve@mitre.org	https://support.f5.com/csp/article/K41582535	Third Party Advisory
cve@mitre.org	https://support.f5.com/csp/article/K41582535?utm_source=f5support&amp%3Butm_medium=RSS
cve@mitre.org	https://usn.ubuntu.com/4145-1/	Third Party Advisory
cve@mitre.org	https://www.debian.org/security/2019/dsa-4497	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99253eb750fda6a644d5188fb26c43bad8d5a745	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/torvalds/linux/commit/99253eb750fda6a644d5188fb26c43bad8d5a745	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.openwall.net/netdev/2017/12/04/40	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://pulsesecurity.co.nz/advisories/linux-kernel-4.9-inetcsklistenstop-gpf	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://seclists.org/bugtraq/2019/Aug/26	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.f5.com/csp/article/K41582535	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.f5.com/csp/article/K41582535?utm_source=f5support&amp%3Butm_medium=RSS
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/4145-1/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.debian.org/security/2019/dsa-4497	Third Party Advisory

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
canonical	ubuntu_linux	16.04
debian	debian_linux	8.0
debian	debian_linux	9.0
debian	debian_linux	10.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
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              "versionEndExcluding": "3.16.72",
              "vulnerable": true
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    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
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          ],
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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": "2026-06-17T01:13:00.343",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "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
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "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",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-08-13T14:15:11.977",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Vendor Advisory"
      ],
      "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99253eb750fda6a644d5188fb26c43bad8d5a745"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
      "url": "https://github.com/torvalds/linux/commit/99253eb750fda6a644d5188fb26c43bad8d5a745"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.openwall.net/netdev/2017/12/04/40"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://pulsesecurity.co.nz/advisories/linux-kernel-4.9-inetcsklistenstop-gpf"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
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    },
    {
      "source": "cve@mitre.org",
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        "Third Party Advisory"
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    },
    {
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      "tags": [
        "Third Party Advisory"
      ],
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    },
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      "source": "cve@mitre.org",
      "url": "https://support.f5.com/csp/article/K41582535?utm_source=f5support\u0026amp%3Butm_medium=RSS"
    },
    {
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      "url": "https://usn.ubuntu.com/4145-1/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2019/dsa-4497"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "VDB Entry"
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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      ],
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    },
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      ],
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    },
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    },
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    },
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      ],
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    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2017-18509 (GCVE-0-2017-18509)

Vulnerability from cvelistv5 – Published: 2019-08-13 13:17 – Updated: 2024-08-05 21:28

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

13 references

URL	Tags
https://pulsesecurity.co.nz/advisories/linux-kern…	x_refsource_MISC
https://salsa.debian.org/kernel-team/linux/commit…	x_refsource_MISC
https://lists.openwall.net/netdev/2017/12/04/40	x_refsource_MISC
https://github.com/torvalds/linux/commit/99253eb7…	x_refsource_MISC
https://git.kernel.org/cgit/linux/kernel/git/torv…	x_refsource_MISC
https://www.debian.org/security/2019/dsa-4497	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://seclists.org/bugtraq/2019/Aug/26	mailing-listx_refsource_BUGTRAQ
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://packetstormsecurity.com/files/154059/Slack…	x_refsource_MISC
https://support.f5.com/csp/article/K41582535	x_refsource_CONFIRM
https://usn.ubuntu.com/4145-1/	vendor-advisoryx_refsource_UBUNTU
https://support.f5.com/csp/article/K41582535?utm_…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T21:28:54.826Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html"
          },
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            "tags": [
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            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"
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          },
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            ],
            "url": "https://support.f5.com/csp/article/K41582535?utm_source=f5support\u0026amp%3Butm_medium=RSS"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
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              "version": "n/a"
            }
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        }
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      "descriptions": [
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

FKIE_CVE-2017-18509

CVE-2017-18509 (GCVE-0-2017-18509)

Tags

Sightings

Nomenclature

Related by attack behaviour