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CVE-2019-3689 (GCVE-0-2019-3689)

Vulnerability from cvelistv5 – Published: 2019-09-19 13:27 – Updated: 2024-09-17 04:14
VLAI
Title
nfs-utils: root-owned files stored in insecure /var/lib/nfs directory
Summary
The nfs-utils package in SUSE Linux Enterprise Server 12 before and including version 1.3.0-34.18.1 and in SUSE Linux Enterprise Server 15 before and including version 2.1.1-6.10.2 the directory /var/lib/nfs is owned by statd:nogroup. This directory contains files owned and managed by root. If statd is compromised, it can therefore trick processes running with root privileges into creating/overwriting files anywhere on the system.
Severity
5.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
Vendor Product Version CPE status
SUSE SUSE Linux Enterprise Server 12 Affected: before and including version 1.3.0-34.18.1
guessed Create a notification for this product.
SUSE SUSE Linux Enterprise Server 15 Affected: before and including version 2.1.1-6.10.2
guessed Create a notification for this product.
Date Public
2019-09-17 00:00
Credits
Malte Kraus of SUSE
Show details on NVD website
To clipboard 

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            "value": "The nfs-utils package in SUSE Linux Enterprise Server 12 before and including version 1.3.0-34.18.1 and in SUSE Linux Enterprise Server 15 before and including version 2.1.1-6.10.2 the directory /var/lib/nfs is owned by statd:nogroup. This directory contains files owned and managed by root. If statd is compromised, it can therefore trick processes running with root privileges into creating/overwriting files anywhere on the system."
          },
          {
            "lang": "es",
            "value": "El paquete nfs-utils en SUSE Linux Enterprise Server 12 en versiones anteriores e incluyendo la versi\u00f3n 1.3.0-34.18.1 y en SUSE Linux Enterprise Server 15 en versiones anteriores e incluyendo la versi\u00f3n 2.1.1-6.10.2, el directorio /var/lib/nfs es propiedad de statd:nogroup. Este directorio contiene archivos de propiedad y administrados por root. Si statd esta comprometido, puede enga\u00f1ar a los procesos que se ejecutan con privilegios de root para crear/sobrescribir archivos en cualquier parte del sistema si fs.protected_symlinks no est\u00e1 configurado."
          }
        ],
        "id": "CVE-2019-3689",
        "lastModified": "2024-11-21T04:42:20.263",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 10.0,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "LOW",
                "baseScore": 5.1,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 2.5,
              "impactScore": 2.5,
              "source": "meissner@suse.de",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2019-09-19T14:15:10.650",
        "references": [
          {
            "source": "meissner@suse.de",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00071.html"
          },
          {
            "source": "meissner@suse.de",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00006.html"
          },
          {
            "source": "meissner@suse.de",
            "tags": [
              "Issue Tracking",
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://bugzilla.suse.com/show_bug.cgi?id=1150733"
          },
          {
            "source": "meissner@suse.de",
            "url": "https://git.linux-nfs.org/?p=steved/nfs-utils.git%3Ba=commitdiff%3Bh=fee2cc29e888f2ced6a76990923aef19d326dc0e"
          },
          {
            "source": "meissner@suse.de",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00026.html"
          },
          {
            "source": "meissner@suse.de",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/4400-1/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00071.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00006.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://bugzilla.suse.com/show_bug.cgi?id=1150733"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://git.linux-nfs.org/?p=steved/nfs-utils.git%3Ba=commitdiff%3Bh=fee2cc29e888f2ced6a76990923aef19d326dc0e"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00026.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/4400-1/"
          }
        ],
        "sourceIdentifier": "meissner@suse.de",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-276"
              }
            ],
            "source": "meissner@suse.de",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-276"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T16:54:55+00:00",
      "cve": "CVE-2019-3689",
      "id": "CVE-2019-3689",
      "initial_release_date": "2019-09-17T00:00:00+00:00",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "7",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "nfs-utils: root-owned files stored in insecure /var/lib/nfs",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-3689.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-13T00:10:52Z",
      "cve": "CVE-2019-3689",
      "id": "CVE-2019-3689",
      "initial_release_date": "2023-02-15T04:17:54Z",
      "product_status:known_affected": "395",
      "product_status:known_not_affected": "3",
      "product_status:recommended": "384",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-3689",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-3689.json",
      "version": "47"
    }
  }
}



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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.