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CVE-2018-1066 (GCVE-0-2018-1066)

Vulnerability from cvelistv5 – Published: 2018-03-02 08:00 – Updated: 2024-08-05 03:51
VLAI
Summary
The Linux kernel before version 4.11 is vulnerable to a NULL pointer dereference in fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() that allows an attacker controlling a CIFS server to kernel panic a client that has this server mounted, because an empty TargetInfo field in an NTLMSSP setup negotiation response is mishandled during session recovery.
Severity
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • NULL pointer dereference
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a Linux kernel 4.11 Affected: Linux kernel 4.11
Date Public
2018-03-02 00:00
Show details on NVD website
To clipboard 

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                    "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
                    "vulnerable": true
                  }
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                "negate": false,
                "operator": "OR"
              }
            ]
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          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
                    "matchCriteriaId": "8D305F7A-D159-4716-AB26-5E38BB5CD991",
                    "vulnerable": true
                  },
                  {
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                    "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
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                ],
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              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The Linux kernel before version 4.11 is vulnerable to a NULL pointer dereference in fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() that allows an attacker controlling a CIFS server to kernel panic a client that has this server mounted, because an empty TargetInfo field in an NTLMSSP setup negotiation response is mishandled during session recovery."
          },
          {
            "lang": "es",
            "value": "El kernel de Linux, en versiones anteriores a la 4.11, es vulnerable a una desreferencia de puntero NULL en fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() que permite que un atacante que controla un servidor CIFS provoque un p\u00e1nico en un cliente con el servidor montado, debido a que un campo TargetInfo en una respuesta de negociaci\u00f3n de instalaci\u00f3n NTLMSSP se gestiona de manera incorrecta durante la recuperaci\u00f3n de sesi\u00f3n."
          }
        ],
        "id": "CVE-2018-1066",
        "lastModified": "2024-11-21T03:59:06.443",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 7.1,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2018-03-02T08:29:00.337",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cabfb3680f78981d26c078a26e5c748531257ebb"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/103378"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1539599"
          },
          {
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            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/torvalds/linux/commit/cabfb3680f78981d26c078a26e5c748531257ebb"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
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            "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"
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          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
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            "url": "https://patchwork.kernel.org/patch/10187633/"
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            "tags": [
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          },
          {
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          },
          {
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          },
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          },
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4188"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:43:11+00:00",
      "cve": "CVE-2018-1066",
      "id": "CVE-2018-1066",
      "initial_release_date": "2018-01-01T00:00:00+00:00",
      "product_status:fixed": "161",
      "product_status:known_affected": "23",
      "product_status:known_not_affected": "63",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Null pointer dereference in fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() when empty TargetInfo is returned in NTLMSSP setup negotiation response allowing to crash client\u0027s kernel",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-1066.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T08:54:07Z",
      "cve": "CVE-2018-1066",
      "id": "CVE-2018-1066",
      "initial_release_date": "2023-02-15T04:34:36Z",
      "product_status:known_not_affected": "87",
      "product_status:recommended": "86",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-1066",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-1066.json",
      "version": "13"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.


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.