Vulnerability-Lookup

GHSA-R577-4HQ7-73QH

Vulnerability from github – Published: 2021-09-08 20:14 – Updated: 2021-09-15 18:29

Summary

Remote Code Execution in Apache Dubbo

Details

Apache Dubbo supports various rules to support configuration override or traffic routing (called routing in Dubbo). These rules are loaded into the configuration center (eg: Zookeeper, Nacos, ...) and retrieved by the customers when making a request in order to find the right endpoint. When parsing these YAML rules, Dubbo customers will use SnakeYAML library to load the rules which by default will enable calling arbitrary constructors. An attacker with access to the configuration center he will be able to poison the rule so when retrieved by the consumers, it will get RCE on all of them. This was fixed in Dubbo 2.7.13, 3.0.2

Severity

8.8 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.dubbo:dubbo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.dubbo:dubbo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-36162"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-77"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-09-08T17:55:48Z",
    "nvd_published_at": "2021-09-07T10:15:00Z",
    "severity": "HIGH"
  },
  "details": "Apache Dubbo supports various rules to support configuration override or traffic routing (called routing in Dubbo). These rules are loaded into the configuration center (eg: Zookeeper, Nacos, ...) and retrieved by the customers when making a request in order to find the right endpoint. When parsing these YAML rules, Dubbo customers will use SnakeYAML library to load the rules which by default will enable calling arbitrary constructors. An attacker with access to the configuration center he will be able to poison the rule so when retrieved by the consumers, it will get RCE on all of them. This was fixed in Dubbo 2.7.13, 3.0.2",
  "id": "GHSA-r577-4hq7-73qh",
  "modified": "2021-09-15T18:29:18Z",
  "published": "2021-09-08T20:14:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-36162"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/dubbo"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/rfa351115a459e214b99ffcc52c35f33359f3370c547d9c6ba1a60037%40%3Cdev.dubbo.apache.org%3E"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Remote Code Execution in Apache Dubbo"
}

CVE-2021-36162 (GCVE-0-2021-36162)

Vulnerability from cvelistv5 – Published: 2021-09-07 09:25 – Updated: 2024-08-04 00:47

Title

Unprotected yaml deserialization cause RCE

Summary

Severity

No CVSS data available.

CWE

Remote Code Execution

Assigner

apache mitre root

References

1 reference

URL	Tags
https://lists.apache.org/thread.html/rfa351115a45…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Dubbo	Affected: Apache Dubbo 2.7.x , ≤ 2.7.12 (custom) Affected: Apache Dubbo 3.0.x , ≤ 3.0.1 (custom)

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JSON

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{
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          "dateUpdated": "2024-08-04T00:47:43.888Z",
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            "url": "https://lists.apache.org/thread.html/rfa351115a459e214b99ffcc52c35f33359f3370c547d9c6ba1a60037%40%3Cdev.dubbo.apache.org%3E"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "vendor": "Apache Software Foundation",
          "versions": [
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              "status": "affected",
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            {
              "lessThanOrEqual": "3.0.1",
              "status": "affected",
              "version": "Apache Dubbo 3.0.x",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
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        }
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      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Unprotected yaml deserialization cause RCE",
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              {
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                      "product_name": "Apache Dubbo",
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                          {
                            "version_affected": "\u003c=",
                            "version_name": "Apache Dubbo 2.7.x",
                            "version_value": "2.7.12"
                          },
                          {
                            "version_affected": "\u003c=",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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GHSA-R577-4HQ7-73QH

CVE-2021-36162 (GCVE-0-2021-36162)

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