Vulnerability-Lookup

ubuntu-cve-2021-21372

Vulnerability from osv_ubuntu

Published

2021-03-26 22:15

Modified

2026-05-20 14:53

Summary

Details

Nimble is a package manager for the Nim programming language. In Nim release version before versions 1.2.10 and 1.4.4, Nimble doCmd is used in different places and can be leveraged to execute arbitrary commands. An attacker can craft a malicious entry in the packages.json package list to trigger code execution.

Severity

8.3 (High)


                    
                      CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

8.8 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-21372	REPORT
	https://consensys.net/diligence/vulnerabilities/n…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2021-21372	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nim",
            "binary_version": "0.12.0-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "nim",
        "purl": "pkg:deb/ubuntu/nim@0.12.0-2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.11.2+dfsg1-4",
        "0.12.0-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nim",
            "binary_version": "0.17.2-1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "nim",
        "purl": "pkg:deb/ubuntu/nim@0.17.2-1ubuntu2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.17.2-1ubuntu1",
        "0.17.2-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nim",
            "binary_version": "1.0.6-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "nim",
        "purl": "pkg:deb/ubuntu/nim@1.0.6-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.20.2-1",
        "1.0.2-1",
        "1.0.3~rc-1",
        "1.0.4-1",
        "1.0.6-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nim",
            "binary_version": "1.6.14-1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "nim",
        "purl": "pkg:deb/ubuntu/nim@1.6.14-1ubuntu2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.14-1",
        "1.6.14-1ubuntu1",
        "1.6.14-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nim",
            "binary_version": "2.2.4-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "nim",
        "purl": "pkg:deb/ubuntu/nim@2.2.4-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.14-1ubuntu2",
        "2.2.4-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nim",
            "binary_version": "2.2.4-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "nim",
        "purl": "pkg:deb/ubuntu/nim@2.2.4-2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.4-1",
        "2.2.4-2"
      ]
    }
  ],
  "aliases": [],
  "details": "Nimble is a package manager for the Nim programming language. In Nim release version before versions 1.2.10 and 1.4.4, Nimble doCmd is used in different places and can be leveraged to execute arbitrary commands. An attacker can craft a malicious entry in the packages.json package list to trigger code execution.",
  "id": "UBUNTU-CVE-2021-21372",
  "modified": "2026-05-20T14:53:06Z",
  "published": "2021-03-26T22:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-21372"
    },
    {
      "type": "REPORT",
      "url": "https://consensys.net/diligence/vulnerabilities/nim-insecure-ssl-tls-defaults-remote-code-execution/"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-21372"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-21372"
  ]
}

CVE-2021-21372 (GCVE-0-2021-21372)

Vulnerability from cvelistv5 – Published: 2021-03-26 21:20 – Updated: 2024-08-03 18:09

Title

Nimble arbitrary code execution for specially crafted package metadata

Summary

Severity

8.3 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-20 - Improper Input Validation
CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Assigner

GitHub_M

References

4 references

URL	Tags
https://consensys.net/diligence/vulnerabilities/n…	x_refsource_MISC
https://github.com/nim-lang/security/security/adv…	x_refsource_CONFIRM
https://github.com/nim-lang/nimble/blob/master/ch…	x_refsource_MISC
https://github.com/nim-lang/nimble/commit/7bd63d5…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
nim-lang	security	Affected: < 1.2.10 Affected: >= 1.4.0, < 1.4.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:09:15.920Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://consensys.net/diligence/vulnerabilities/nim-insecure-ssl-tls-defaults-remote-code-execution/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/nim-lang/security/security/advisories/GHSA-rg9f-w24h-962p"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/nim-lang/nimble/blob/master/changelog.markdown#0130"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/nim-lang/nimble/commit/7bd63d504a4157b8ed61a51af47fb086ee818c37"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "security",
          "vendor": "nim-lang",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.2.10"
            },
            {
              "status": "affected",
              "version": "\u003e= 1.4.0, \u003c 1.4.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Nimble is a package manager for the Nim programming language. In Nim release version before versions 1.2.10 and 1.4.4, Nimble doCmd is used in different places and can be leveraged to execute arbitrary commands. An attacker can craft a malicious entry in the packages.json package list to trigger code execution."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
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            "version": "3.1"
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      ],
      "problemTypes": [
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              "type": "CWE"
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          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-26T21:20:15.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
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          "tags": [
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          ],
          "url": "https://consensys.net/diligence/vulnerabilities/nim-insecure-ssl-tls-defaults-remote-code-execution/"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/nim-lang/security/security/advisories/GHSA-rg9f-w24h-962p"
        },
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          "url": "https://github.com/nim-lang/nimble/blob/master/changelog.markdown#0130"
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          "url": "https://github.com/nim-lang/nimble/commit/7bd63d504a4157b8ed61a51af47fb086ee818c37"
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      "source": {
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        "discovery": "UNKNOWN"
      },
      "title": "Nimble arbitrary code execution for specially crafted package metadata",
      "x_legacyV4Record": {
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        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "security",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c 1.2.10"
                          },
                          {
                            "version_value": "\u003e= 1.4.0, \u003c 1.4.4"
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                      }
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              "description": [
                {
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  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-21372",
    "datePublished": "2021-03-26T21:20:15.000Z",
    "dateReserved": "2020-12-22T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:09:15.920Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

ubuntu-cve-2021-21372

Vulnerability from osv_ubuntu

CVE-2021-21372 (GCVE-0-2021-21372)

Tags

Sightings

Nomenclature