CVE-2023-32732 (GCVE-0-2023-32732)
Vulnerability from cvelistv5
Published
2023-06-09 10:48
Modified
2025-02-13 16:55
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-440 - Expected Behavior Violation
Summary
gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in  https://github.com/grpc/grpc/pull/32309 https://www.google.com/url
References
Impacted products
Vendor Product Version
Google gRPC Version: 1.53   < 1.54
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T15:25:36.637Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/grpc/grpc/pull/32309"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37IDNVY5AWVH7JDMM2SDTL24ZPPZJNSY/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VWE44J5FG7THHL7XVEVTNIGEYBNKJBLL/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "grpc",
            "vendor": "grpc",
            "versions": [
              {
                "lessThan": "1.54",
                "status": "affected",
                "version": "1.53",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-32732",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-26T18:59:27.982940Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-26T19:03:12.183Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "gRPC",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "1.54",
              "status": "affected",
              "version": "1.53",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.google.com/url?sa=D\u0026amp;q=https%3A%2F%2Fgithub.com%2Fgrpc%2Fgrpc%2Fpull%2F32309\"\u003ehttps://github.com/grpc/grpc/pull/32309\u003c/a\u003e\u003cbr\u003e"
            }
          ],
          "value": "gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in\u00a0 https://github.com/grpc/grpc/pull/32309 https://www.google.com/url"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-220",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-220 Client-Server Protocol Manipulation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-440",
              "description": "CWE-440: Expected Behavior Violation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-07-23T02:06:09.201Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "references": [
        {
          "url": "https://github.com/grpc/grpc/pull/32309"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37IDNVY5AWVH7JDMM2SDTL24ZPPZJNSY/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VWE44J5FG7THHL7XVEVTNIGEYBNKJBLL/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Fixes available in these releases:\u003cbr\u003e- 1.52.2: \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.52.2\"\u003ehttps://github.com/grpc/grpc/releases/tag/v1.52.2\u003c/a\u003e\u003cbr\u003e- 1.53.1: \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.53.1\"\u003ehttps://github.com/grpc/grpc/releases/tag/v1.53.1\u003c/a\u003e\u003cbr\u003e- 1.54.2: \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.54.2\"\u003ehttps://github.com/grpc/grpc/releases/tag/v1.54.2\u003c/a\u003e\u003cbr\u003e- 1.55.0: \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.55.0\"\u003ehttps://github.com/grpc/grpc/releases/tag/v1.55.0\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e"
            }
          ],
          "value": "Fixes available in these releases:\n- 1.52.2:  https://github.com/grpc/grpc/releases/tag/v1.52.2 https://github.com/grpc/grpc/releases/tag/v1.52.2 \n- 1.53.1:  https://github.com/grpc/grpc/releases/tag/v1.53.1 https://github.com/grpc/grpc/releases/tag/v1.53.1 \n- 1.54.2:  https://github.com/grpc/grpc/releases/tag/v1.54.2 https://github.com/grpc/grpc/releases/tag/v1.54.2 \n- 1.55.0:  https://github.com/grpc/grpc/releases/tag/v1.55.0 https://github.com/grpc/grpc/releases/tag/v1.55.0"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Denial-of-Service in gRPC",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
    "assignerShortName": "Google",
    "cveId": "CVE-2023-32732",
    "datePublished": "2023-06-09T10:48:15.075Z",
    "dateReserved": "2023-05-12T08:58:54.033Z",
    "dateUpdated": "2025-02-13T16:55:01.392Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/grpc/grpc/pull/32309\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37IDNVY5AWVH7JDMM2SDTL24ZPPZJNSY/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VWE44J5FG7THHL7XVEVTNIGEYBNKJBLL/\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T15:25:36.637Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-32732\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-26T18:59:27.982940Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*\"], \"vendor\": \"grpc\", \"product\": \"grpc\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.53\", \"lessThan\": \"1.54\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-26T19:03:04.618Z\"}}], \"cna\": {\"title\": \"Denial-of-Service in gRPC\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-220\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-220 Client-Server Protocol Manipulation\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Google\", \"product\": \"gRPC\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.53\", \"lessThan\": \"1.54\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Fixes available in these releases:\\n- 1.52.2:  https://github.com/grpc/grpc/releases/tag/v1.52.2 https://github.com/grpc/grpc/releases/tag/v1.52.2 \\n- 1.53.1:  https://github.com/grpc/grpc/releases/tag/v1.53.1 https://github.com/grpc/grpc/releases/tag/v1.53.1 \\n- 1.54.2:  https://github.com/grpc/grpc/releases/tag/v1.54.2 https://github.com/grpc/grpc/releases/tag/v1.54.2 \\n- 1.55.0:  https://github.com/grpc/grpc/releases/tag/v1.55.0 https://github.com/grpc/grpc/releases/tag/v1.55.0\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Fixes available in these releases:\u003cbr\u003e- 1.52.2: \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://github.com/grpc/grpc/releases/tag/v1.52.2\\\"\u003ehttps://github.com/grpc/grpc/releases/tag/v1.52.2\u003c/a\u003e\u003cbr\u003e- 1.53.1: \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://github.com/grpc/grpc/releases/tag/v1.53.1\\\"\u003ehttps://github.com/grpc/grpc/releases/tag/v1.53.1\u003c/a\u003e\u003cbr\u003e- 1.54.2: \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://github.com/grpc/grpc/releases/tag/v1.54.2\\\"\u003ehttps://github.com/grpc/grpc/releases/tag/v1.54.2\u003c/a\u003e\u003cbr\u003e- 1.55.0: \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://github.com/grpc/grpc/releases/tag/v1.55.0\\\"\u003ehttps://github.com/grpc/grpc/releases/tag/v1.55.0\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://github.com/grpc/grpc/pull/32309\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37IDNVY5AWVH7JDMM2SDTL24ZPPZJNSY/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VWE44J5FG7THHL7XVEVTNIGEYBNKJBLL/\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in\\u00a0 https://github.com/grpc/grpc/pull/32309 https://www.google.com/url\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in\u0026nbsp;\u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://www.google.com/url?sa=D\u0026amp;q=https%3A%2F%2Fgithub.com%2Fgrpc%2Fgrpc%2Fpull%2F32309\\\"\u003ehttps://github.com/grpc/grpc/pull/32309\u003c/a\u003e\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-440\", \"description\": \"CWE-440: Expected Behavior Violation\"}]}], \"providerMetadata\": {\"orgId\": \"14ed7db2-1595-443d-9d34-6215bf890778\", \"shortName\": \"Google\", \"dateUpdated\": \"2023-07-23T02:06:09.201Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-32732\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-13T16:55:01.392Z\", \"dateReserved\": \"2023-05-12T08:58:54.033Z\", \"assignerOrgId\": \"14ed7db2-1595-443d-9d34-6215bf890778\", \"datePublished\": \"2023-06-09T10:48:15.075Z\", \"assignerShortName\": \"Google\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.