Vulnerability-Lookup

GHSA-MP3G-VPM9-9VQV

Vulnerability from github – Published: 2024-06-26 19:12 – Updated: 2024-06-26 21:56

Summary

@fastly/js-compute has a use-after-free in some host call implementations

Details

Impact

The implementation of the following functions were determined to include a use-after-free bug:

FetchEvent.client.tlsCipherOpensslName
FetchEvent.client.tlsProtocol
FetchEvent.client.tlsClientCertificate
FetchEvent.client.tlsJA3MD5
FetchEvent.client.tlsClientHello
CacheEntry.prototype.userMetadata of the fastly:cache subsystem
Device.lookup of the fastly:device subsystem

This bug could allow for an unintended data leak if the result of the preceding functions were sent anywhere else, and often results in a Compute service crash causing an HTTP 500 error to be returned. As all requests to Compute are isolated from one another, the only data at risk is data present for a single request.

Patches

This bug has been fixed in version 3.16.0 of the @fastly/js-compute package.

Workarounds

There are no workarounds for this bug, any use of the affected functions introduces the possibility of a data leak or crash in guest code.

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "@fastly/js-compute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.16.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-38375"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-06-26T19:12:23Z",
    "nvd_published_at": "2024-06-26T19:15:13Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nThe implementation of the following functions were determined to include a use-after-free bug:\n\n* `FetchEvent.client.tlsCipherOpensslName`\n* `FetchEvent.client.tlsProtocol`\n* `FetchEvent.client.tlsClientCertificate`\n* `FetchEvent.client.tlsJA3MD5`\n* `FetchEvent.client.tlsClientHello`\n* `CacheEntry.prototype.userMetadata` of the `fastly:cache` subsystem\n* `Device.lookup` of the `fastly:device` subsystem\n\nThis bug could allow for an unintended data leak if the result of the preceding functions were sent anywhere else, and often results in a Compute service crash causing an HTTP 500 error to be returned. As all requests to Compute are isolated from one another, the only data at risk is data present for a single request.\n\n### Patches\nThis bug has been fixed in version 3.16.0 of the `@fastly/js-compute` package.\n\n### Workarounds\nThere are no workarounds for this bug, any use of the affected functions introduces the possibility of a data leak or crash in guest code.",
  "id": "GHSA-mp3g-vpm9-9vqv",
  "modified": "2024-06-26T21:56:15Z",
  "published": "2024-06-26T19:12:23Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/fastly/js-compute-runtime/security/advisories/GHSA-mp3g-vpm9-9vqv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38375"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fastly/js-compute-runtime/commit/4e16641ef4e159c4a11b500ac861b8fa8d9ff5d3"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/fastly/js-compute-runtime"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "@fastly/js-compute has a use-after-free in some host call implementations"
}

CVE-2024-38375 (GCVE-0-2024-38375)

Vulnerability from cvelistv5 – Published: 2024-06-26 18:46 – Updated: 2024-08-02 04:04

Title

@fastly/js-compute use-after-free in some host call implementations

Summary

@fastly/js-compute is a JavaScript SDK and runtime for building Fastly Compute applications. The implementation of several functions were determined to include a use-after-free bug. This bug could allow for unintended data loss if the result of the preceding functions were sent anywhere else, and often results in a guest trap causing services to return a 500. This bug has been fixed in version 3.16.0 of the `@fastly/js-compute` package.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-30 19:52 UTC

CWE

CWE-416 - Use After Free

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/fastly/js-compute-runtime/secu…	x_refsource_CONFIRM
https://github.com/fastly/js-compute-runtime/comm…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
fastly	js-compute-runtime	Affected: >= 3.0.0, < 3.16.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-38375",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-30T19:52:41.445876Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-30T19:52:50.666Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T04:04:25.287Z",
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        "references": [
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            ],
            "url": "https://github.com/fastly/js-compute-runtime/security/advisories/GHSA-mp3g-vpm9-9vqv"
          },
          {
            "name": "https://github.com/fastly/js-compute-runtime/commit/4e16641ef4e159c4a11b500ac861b8fa8d9ff5d3",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/fastly/js-compute-runtime/commit/4e16641ef4e159c4a11b500ac861b8fa8d9ff5d3"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "vendor": "fastly",
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      "descriptions": [
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-416",
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      ],
      "source": {
        "advisory": "GHSA-mp3g-vpm9-9vqv",
        "discovery": "UNKNOWN"
      },
      "title": "@fastly/js-compute use-after-free in some host call implementations"
    }
  },
  "cveMetadata": {
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    "dateReserved": "2024-06-14T14:16:16.467Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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.

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.
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