CVE-2023-32731 (GCVE-0-2023-32731)

Vulnerability from cvelistv5 – Published: 2023-06-09 10:54 – Updated: 2024-09-26 19:12
VLAI
Title
Information leak in gRPC
Summary
When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in  https://github.com/grpc/grpc/pull/33005 https://github.com/grpc/grpc/pull/33005
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-26 19:07 UTC
CWE
  • CWE-440 - Expected Behavior Violation
Assigner
Google CNA under the Google root
CNA scorecard C 75/100 over 33 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Google gRPC Affected: 1.53 , ≤ 1.54 (custom)
guessed Create a notification for this product.
grpc grpc Affected: 1.53 , ≤ 1.54 (custom)
    cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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              "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 \n\n"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Information leak in gRPC",
          "x_generator": {
            "engine": "Vulnogram 0.1.0-dev"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "assignerShortName": "Google",
        "cveId": "CVE-2023-32731",
        "datePublished": "2023-06-09T10:54:08.472Z",
        "dateReserved": "2023-05-12T08:58:54.033Z",
        "dateUpdated": "2024-09-26T19:12:06.245Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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