github - ghsa-vqqv-v9m2-48p2

GHSA-VQQV-V9M2-48P2

Vulnerability from github – Published: 2019-04-04 16:28 – Updated: 2023-08-25 23:39

Summary

Bootstrap-sass contains code execution backdoor

Details

Arbitrary code execution (via backdoor code) was discovered in bootstrap-sass 3.2.0.3, when downloaded from rubygems.org. An unauthenticated attacker can craft the ___cfduid cookie value with base64 arbitrary code to be executed via eval(), which can be leveraged to execute arbitrary code on the target system. Note that there are three underscore characters in the cookie name. This is unrelated to the __cfduid cookie that is legitimately used by Cloudflare.

Severity ?

9.8 (Critical)


                  
                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "bootstrap-sass"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.2.0.3"
            },
            {
              "fixed": "3.2.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.2.0.3"
      ]
    }
  ],
  "aliases": [
    "CVE-2019-10842"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:58:14Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "details": "Arbitrary code execution (via backdoor code) was discovered in bootstrap-sass 3.2.0.3, when downloaded from rubygems.org. An unauthenticated attacker can craft the ___cfduid cookie value with base64 arbitrary code to be executed via eval(), which can be leveraged to execute arbitrary code on the target system. Note that there are three underscore characters in the cookie name. This is unrelated to the __cfduid cookie that is legitimately used by Cloudflare.",
  "id": "GHSA-vqqv-v9m2-48p2",
  "modified": "2023-08-25T23:39:10Z",
  "published": "2019-04-04T16:28:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-10842"
    },
    {
      "type": "WEB",
      "url": "https://github.com/twbs/bootstrap-sass/issues/1195"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/bootstrap-sass/CVE-2019-10842.yml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/twbs/bootstrap-sass"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/blog/malicious-remote-code-execution-backdoor-discovered-in-the-popular-bootstrap-sass-ruby-gem"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-RUBY-BOOTSTRAPSASS-174093"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Bootstrap-sass contains code execution backdoor"
}

CVE-2019-10842 (GCVE-0-2019-10842)

Vulnerability from cvelistv5 – Published: 2019-04-04 03:46 – Updated: 2024-08-04 22:32

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/twbs/bootstrap-sass/issues/1195	x_refsource_MISC
	https://snyk.io/blog/malicious-remote-code-execut…	x_refsource_MISC
	https://snyk.io/vuln/SNYK-RUBY-BOOTSTRAPSASS-174093	x_refsource_MISC
	http://dgb.github.io/2019/04/05/bootstrap-sass-ba…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T22:32:02.101Z",
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            "url": "http://dgb.github.io/2019/04/05/bootstrap-sass-backdoor.html"
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            },
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}

GSD-2019-10842

Vulnerability from gsd - Updated: 2019-04-04 00:00

Details

Arbitrary code execution (via backdoor code, when downloaded from rubygems.org) was discovered in bootstrap-sass 3.2.0.3. Users are advised to upgrade immediately to 3.2.0.4 An unauthenticated attacker can craft the ___cfduid cookie value with base64 arbitrary code to be executed via eval(), which can be leveraged to execute arbitrary code on the target system. (Note that there are three underscore characters in the cookie name. This is unrelated to the __cfduid cookie that is legitimately used by Cloudflare.)

Aliases

CVE-2019-10842

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2019-10842",
    "description": "Arbitrary code execution (via backdoor code) was discovered in bootstrap-sass 3.2.0.3, when downloaded from rubygems.org. An unauthenticated attacker can craft the ___cfduid cookie value with base64 arbitrary code to be executed via eval(), which can be leveraged to execute arbitrary code on the target system. Note that there are three underscore characters in the cookie name. This is unrelated to the __cfduid cookie that is legitimately used by Cloudflare.",
    "id": "GSD-2019-10842",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-10842.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "bootstrap-sass",
            "purl": "pkg:gem/bootstrap-sass"
          }
        }
      ],
      "aliases": [
        "CVE-2019-10842",
        "GHSA-vqqv-v9m2-48p2"
      ],
      "details": "Arbitrary code execution (via backdoor code, when\ndownloaded from rubygems.org) was discovered in\nbootstrap-sass 3.2.0.3.\n\nUsers are advised to upgrade immediately to 3.2.0.4\n\nAn unauthenticated attacker can craft the ___cfduid cookie value\nwith base64 arbitrary code to be executed via eval(), which can\nbe leveraged to execute arbitrary code on the target system.\n(Note that there are three underscore characters in the cookie name.\nThis is unrelated to the __cfduid cookie that is legitimately used by\nCloudflare.)\n",
      "id": "GSD-2019-10842",
      "modified": "2019-04-04T00:00:00.000Z",
      "published": "2019-04-04T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://github.com/twbs/bootstrap-sass/issues/1195"
        }
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 9.8,
          "type": "CVSS_V3"
        }
      ],
      "summary": "Remote code execution in bootstrap-sass"
    }
  },
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      "gem": "bootstrap-sass",
      "ghsa": "vqqv-v9m2-48p2",
      "patched_versions": [
        "\u003e= 3.2.0.4"
      ],
      "title": "Remote code execution in bootstrap-sass",
      "unaffected_versions": [
        "\u003c= 3.2.0.2"
      ],
      "url": "https://github.com/twbs/bootstrap-sass/issues/1195"
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "=3.2.0.3",
          "affected_versions": "Version 3.2.0.3",
          "credit": "Derek Barnes",
          "cvss_v2": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937",
            "CWE-94"
          ],
          "date": "2019-04-11",
          "description": "An unauthenticated attacker can craft the `___cfduid` cookie value with base64 arbitrary code to be executed via `eval()`, which can be leveraged to execute arbitrary code on the target system. Note that there are three underscore characters in the cookie name. This is unrelated to the `__cfduid` cookie that is legitimately used by Cloudflare.",
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            "3.2.0.4"
          ],
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          ],
          "not_impacted": "All versions before 3.2.0.3, all versions after 3.2.0.3",
          "package_slug": "gem/bootstrap-sass",
          "pubdate": "2019-04-04",
          "solution": "Upgrade to version 3.2.0.4 or above.",
          "title": "Malicious Package",
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            "https://github.com/twbs/bootstrap-sass/issues/1195"
          ],
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        }
      ]
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                "cpe_name": [],
                "vulnerable": true
              }
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            "operator": "OR"
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              "value": "Arbitrary code execution (via backdoor code) was discovered in bootstrap-sass 3.2.0.3, when downloaded from rubygems.org. An unauthenticated attacker can craft the ___cfduid cookie value with base64 arbitrary code to be executed via eval(), which can be leveraged to execute arbitrary code on the target system. Note that there are three underscore characters in the cookie name. This is unrelated to the __cfduid cookie that is legitimately used by Cloudflare."
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          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2019-04-11T18:39Z",
      "publishedDate": "2019-04-04T04:29Z"
    }
  }
}

Sightings

Author	Source	Type	Date

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

GHSA-VQQV-V9M2-48P2

CVE-2019-10842 (GCVE-0-2019-10842)

GSD-2019-10842

Tags

Sightings

Nomenclature