github - ghsa-ghwg-gpp4-w4x3

ghsa-ghwg-gpp4-w4x3

Vulnerability from github

Published

2024-08-06 12:30

Modified

2024-08-06 12:30

Severity ?

6.3 (Medium) - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L

Details

It's possible for a gRPC client communicating with a HTTP/2 proxy to poison the HPACK table between the proxy and the backend such that other clients see failed requests. It's also possible to use this vulnerability to leak other clients HTTP header keys, but not values.

This occurs because the error status for a misencoded header is not cleared between header reads, resulting in subsequent (incrementally indexed) added headers in the first request being poisoned until cleared from the HPACK table.

Please update to a fixed version of gRPC as soon as possible. This bug has been fixed in 1.58.3, 1.59.5, 1.60.2, 1.61.3, 1.62.3, 1.63.2, 1.64.3, 1.65.4.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2024-7246"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-440"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-06T11:16:07Z",
    "severity": "MODERATE"
  },
  "details": "It\u0027s possible for a gRPC client communicating with a HTTP/2 proxy to poison the HPACK table between the proxy and the backend such that other clients see failed requests. It\u0027s also possible to use this vulnerability to leak other clients HTTP header keys, but not values.\n\nThis occurs because the error status for a misencoded header is not cleared between header reads, resulting in subsequent (incrementally indexed) added headers in the first request being poisoned until cleared from the HPACK table.\n\nPlease update to a fixed version of gRPC as soon as possible. This bug has been fixed in 1.58.3, 1.59.5, 1.60.2, 1.61.3, 1.62.3, 1.63.2, 1.64.3, 1.65.4.",
  "id": "GHSA-ghwg-gpp4-w4x3",
  "modified": "2024-08-06T12:30:34Z",
  "published": "2024-08-06T12:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-7246"
    },
    {
      "type": "WEB",
      "url": "https://github.com/grpc/grpc/issues/36245"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

cve-2024-7246

Vulnerability from cvelistv5

Published

2024-08-06 10:14

Modified

2024-08-06 13:17

Severity ?

6.3 (Medium) - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L

Summary

HPACK table poisoning in gRPC C++, Python & Ruby

References

▼	URL	Tags
	https://github.com/grpc/grpc/issues/36245

Impacted products

▼	Vendor	Product
	Google	gRPC

Show details on NVD website

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