GHSA-RXMJ-HG9V-VP3P

Vulnerability from github – Published: 2023-06-09 19:32 – Updated: 2023-06-09 19:32
VLAI?
Summary
Uncontrolled Resource Consumption in LengthPrefixedMessageReader
Details

Impact

Affected gRPC Swift clients and servers are vulnerable to uncontrolled resource consumption attacks. Excessive memory may be allocated when parsing messages. This can lead to a denial of service.

Patches

The problem has been fixed in 1.2.0.

Workarounds

No workaround is available. Users must upgrade.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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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-2021-36155"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120",
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-09T19:32:11Z",
    "nvd_published_at": "2021-07-09T12:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nAffected gRPC Swift clients and servers are vulnerable to uncontrolled resource consumption attacks. Excessive memory may be allocated when parsing messages. This can 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-rxmj-hg9v-vp3p",
  "modified": "2023-06-09T19:32:11Z",
  "published": "2023-06-09T19:32:11Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/grpc/grpc-swift/security/advisories/GHSA-rxmj-hg9v-vp3p"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-36155"
    },
    {
      "type": "WEB",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35303"
    },
    {
      "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": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Uncontrolled Resource Consumption in LengthPrefixedMessageReader"
}


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Sightings

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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.



Detection rules are retrieved from Rulezet.