GSD-2018-12021

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.
Aliases
Aliases
CVE-2018-12021
To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-12021",
    "description": "Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.",
    "id": "GSD-2018-12021",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-12021.html",
      "https://ubuntu.com/security/CVE-2018-12021"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-12021"
      ],
      "details": "Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.",
      "id": "GSD-2018-12021",
      "modified": "2023-12-13T01:22:30.366252Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-12021",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
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                          "version_value": "n/a"
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      "references": {
        "reference_data": [
          {
            "name": "https://github.com/singularityware/singularity/releases/tag/2.5.2",
            "refsource": "CONFIRM",
            "url": "https://github.com/singularityware/singularity/releases/tag/2.5.2"
          },
          {
            "name": "[oss-security] 20190516 Singularity 3.1.0: CVE-2019-11328: namespace privilege escalation and arbitrary file corruption",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2019/05/16/1"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=v2.3.0 \u003c=v2.5.1",
          "affected_versions": "All versions starting from 2.3.0 up to 2.5.1",
          "cvss_v2": "AV:N/AC:L/Au:S/C:C/I:N/A:N",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-200",
            "CWE-937"
          ],
          "date": "2023-07-22",
          "description": "Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.",
          "fixed_versions": [],
          "identifier": "CVE-2018-12021",
          "identifiers": [
            "GHSA-4x32-h296-rg6j",
            "CVE-2018-12021"
          ],
          "not_impacted": "",
          "package_slug": "go/github.com/hpcng/singularity",
          "pubdate": "2022-05-14",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Exposure of Sensitive Information to an Unauthorized Actor",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-12021",
            "https://github.com/singularityware/singularity/releases/tag/2.5.2",
            "http://www.openwall.com/lists/oss-security/2019/05/16/1",
            "https://github.com/advisories/GHSA-4x32-h296-rg6j"
          ],
          "uuid": "98a8da17-6f51-4879-b992-b95f3ce870ef",
          "versions": [
            {
              "commit": {
                "sha": "cdc8e52b98ed4e47dc25d0aef1600443bdd86920",
                "tags": [
                  "2.5.1"
                ],
                "timestamp": "20180503173339"
              },
              "number": "v2.5.1"
            }
          ]
        }
      ]
    },
    "nvd.nist.gov": {
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        "nodes": [
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.5.1",
                "versionStartIncluding": "2.3.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
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          "ID": "CVE-2018-12021"
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        "description": {
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              "value": "Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/singularityware/singularity/releases/tag/2.5.2",
              "refsource": "CONFIRM",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://github.com/singularityware/singularity/releases/tag/2.5.2"
            },
            {
              "name": "[oss-security] 20190516 Singularity 3.1.0: CVE-2019-11328: namespace privilege escalation and arbitrary file corruption",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2019/05/16/1"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": true,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2019-05-16T12:29Z",
      "publishedDate": "2018-07-05T18:29Z"
    }
  }
}


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