Vulnerability-Lookup

GHSA-4RHQ-VQ24-88GW

Vulnerability from github – Published: 2023-05-22 20:29 – Updated: 2023-05-22 20:29

Summary

Uncontrolled Recursion in HTTP2ToRawGRPCServerCodec

Details

Impact

Affected gRPC Swift servers are vulnerable to uncontrolled recursion and stack consumption when parsing certain payloads. This may lead to a denial of service.

Patches

The problem has been fixed in 1.2.0.

Workarounds

No workaround is available. Users must upgrade.

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "SwiftURL",
        "name": "github.com/grpc/grpc-swift"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.2.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-36154"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-674"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-05-22T20:29:44Z",
    "nvd_published_at": "2021-07-09T12:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nAffected gRPC Swift servers are vulnerable to uncontrolled recursion and stack consumption when parsing certain payloads. This may lead to a denial of service.\n\n### Patches\n\nThe problem has been fixed in 1.2.0.\n\n### Workarounds\n\nNo workaround is available. Users must upgrade.",
  "id": "GHSA-4rhq-vq24-88gw",
  "modified": "2023-05-22T20:29:44Z",
  "published": "2023-05-22T20:29:44Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-36154"
    },
    {
      "type": "WEB",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/grpc/grpc-swift"
    },
    {
      "type": "WEB",
      "url": "https://github.com/grpc/grpc-swift/releases/tag/1.2.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Uncontrolled Recursion in HTTP2ToRawGRPCServerCodec"
}

CVE-2021-36154 (GCVE-0-2021-36154)

Vulnerability from cvelistv5 – Published: 2021-07-09 11:02 – Updated: 2024-08-04 00:47

Summary

HTTP2ToRawGRPCServerCodec in gRPC Swift 1.1.1 and earlier allows remote attackers to deny service via the delivery of many small messages within a single HTTP/2 frame, leading to Uncontrolled Recursion and stack consumption.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2354 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/grpc/grpc-swift/releases	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://github.com/grpc/grpc-swift/security/advis…	x_refsource_MISC

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:47:43.804Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/grpc/grpc-swift/releases"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "HTTP2ToRawGRPCServerCodec in gRPC Swift 1.1.1 and earlier allows remote attackers to deny service via the delivery of many small messages within a single HTTP/2 frame, leading to Uncontrolled Recursion and stack consumption."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-09T11:02:36.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/grpc/grpc-swift/releases"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-36154",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "value": "HTTP2ToRawGRPCServerCodec in gRPC Swift 1.1.1 and earlier allows remote attackers to deny service via the delivery of many small messages within a single HTTP/2 frame, leading to Uncontrolled Recursion and stack consumption."
            }
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        },
        "problemtype": {
          "problemtype_data": [
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                  "lang": "eng",
                  "value": "n/a"
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        "references": {
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              "refsource": "MISC",
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            },
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            }
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        }
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-36154",
    "datePublished": "2021-07-09T11:02:36.000Z",
    "dateReserved": "2021-07-05T00:00:00.000Z",
    "dateUpdated": "2024-08-04T00:47:43.804Z",
    "state": "PUBLISHED"
  },
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  "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.

Vulnerability timeline

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

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