Vulnerability-Lookup

CVE-2025-3047 (GCVE-0-2025-3047)

Vulnerability from cvelistv5 – Published: 2025-03-31 15:21 – Updated: 2025-10-14 19:22

Title

Path Traversal in AWS SAM CLI allows file copy to build container

Summary

When running the AWS Serverless Application Model Command Line Interface (SAM CLI) build process with Docker and symlinks are included in the build files, the container environment allows a user to access privileged files on the host by leveraging the elevated permissions granted to the tool. A user could leverage the elevated permissions to access restricted files via symlinks and copy them to a more permissive location on the container. Users should upgrade to v1.133.0 or newer and ensure any forked or derivative code is patched to incorporate the new fixes.

Severity ?

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

6.5 (Medium)


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

CWE

CWE-61 - UNIX Symbolic Link (Symlink) Following

Assigner

AMZN

References

URL

Tags

	https://aws.amazon.com/security/security-bulletin…	vendor-advisory
	https://github.com/aws/aws-sam-cli/security/advis…	third-party-advisory
	https://github.com/aws/aws-sam-cli/releases/tag/v…	patch

Impacted products

	Vendor	Product	Version
	AWS	AWS Serverless Application Model Command Line Interface	Affected: 1.98.0 , < 1.133.0 (semver)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-3047

Vulnerability from fkie_nvd - Published: 2025-03-31 16:15 - Updated: 2025-10-14 20:15

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Summary

References

	URL	Tags
	ff89ba41-3aa1-4d27-914a-91399e9639e5	https://aws.amazon.com/security/security-bulletins/AWS-2025-008/
	ff89ba41-3aa1-4d27-914a-91399e9639e5	https://github.com/aws/aws-sam-cli/releases/tag/v1.134.0
	ff89ba41-3aa1-4d27-914a-91399e9639e5	https://github.com/aws/aws-sam-cli/security/advisories/GHSA-px37-jpqx-97q9

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When running the AWS Serverless Application Model Command Line Interface (SAM CLI) build process with Docker and symlinks are included in the build files, the container environment allows a user to access privileged files on the host by leveraging the elevated permissions granted to the tool. A user could leverage the elevated permissions to access restricted files via symlinks and copy them to a more permissive location on the container. \n\nUsers should upgrade to v1.133.0 or newer and ensure any forked or derivative code is patched to incorporate the new fixes."
    },
    {
      "lang": "es",
      "value": "Al ejecutar el proceso de compilaci\u00f3n de la Interfaz de L\u00ednea de Comandos del Modelo de Aplicaci\u00f3n Sin Servidor de AWS (SAM CLI) con Docker y con enlaces simb\u00f3licos en los archivos de compilaci\u00f3n, el entorno del contenedor permite al usuario acceder a archivos privilegiados en el host aprovechando los permisos elevados otorgados a la herramienta. Un usuario podr\u00eda aprovechar los permisos elevados para acceder a archivos restringidos mediante enlaces simb\u00f3licos y copiarlos a una ubicaci\u00f3n m\u00e1s permisiva en el contenedor. Los usuarios deben actualizar a la versi\u00f3n 1.133.0 o posterior y asegurarse de que cualquier c\u00f3digo bifurcado o derivado est\u00e9 parcheado para incorporar las nuevas correcciones."
    }
  ],
  "id": "CVE-2025-3047",
  "lastModified": "2025-10-14T20:15:36.377",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
        "type": "Secondary"
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
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          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "ACTIVE",
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          "version": "4.0",
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          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
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        "type": "Secondary"
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  "published": "2025-03-31T16:15:27.683",
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  "vulnStatus": "Awaiting Analysis",
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GHSA-PX37-JPQX-97Q9

Vulnerability from github – Published: 2025-03-31 22:36 – Updated: 2025-10-14 21:59

Summary

AWS SAM CLI Path Traversal allows file copy to build container

Details

Summary

The AWS Serverless Application Model Command Line Interface (AWS SAM CLI) is an open-source CLI tool that helps Lambda developers to build and develop Lambda applications locally on their computers using Docker.

When running the AWS SAM CLI build process with Docker and symlinks are included in the build files, the container environment allows a user to access privileged files on the host by leveraging the elevated permissions granted to the tool. A user could leverage the elevated permissions to access restricted files via symlinks and copy them to a more permissive location on the container.

Users should upgrade to v1.133.0 or newer and ensure any forked or derivative code is patched to incorporate the new fixes.

Impact

This issue is limited to the local workspace and does not affect AWS services, production environments or cross-account resources. The issue only affects local workspaces using AWS SAM CLI with container builds (--use-container), potentially allowing access to local files outside the build directory through the usage of symlinks.

Impacted versions: <= AWS SAM CLI v1.132.0

Patches

The issue has been addressed in version 1.133.0. Users should upgrade and ensure any forked or derivative code is patched to incorporate the new fixes. To retain the previous behavior and allow symlinks to resolve on the host machine, please use the explicit '--mount-symlinks' parameter.

Workarounds

There is no recommended work around. Customers are advised to upgrade to version v1.133.0 or the latest version.

References

CVE-2025-3047

If you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our vulnerability reporting page or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.

Credit

We would like to thank Kevin Backhouse with the GitHub Security Lab for collaborating on this issue through the coordinated vulnerability disclosure process.

Severity ?

6.5 (Medium)


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

6.9 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "aws-sam-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.133.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-3047"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22",
      "CWE-61"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-03-31T22:36:49Z",
    "nvd_published_at": "2025-03-31T16:15:27Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\n\nThe [AWS Serverless Application Model Command Line Interface (AWS SAM CLI)](https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/using-sam-cli.html) is an open-source CLI tool that helps Lambda developers to build and develop Lambda applications locally on their computers using Docker.\n\nWhen running the AWS SAM CLI build process with Docker and symlinks are included in the build files, the container environment allows a user to access privileged files on the host by leveraging the elevated permissions granted to the tool. A user could leverage the elevated permissions to access restricted files via symlinks and copy them to a more permissive location on the container.\n\nUsers should [upgrade to v1.133.0](https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/manage-sam-cli-versions.html#manage-sam-cli-versions-upgrade) or newer and ensure any forked or derivative code is patched to incorporate the new fixes. \n\n\n### Impact\n\nThis issue is limited to the local workspace and does not affect AWS services, production environments or cross-account resources. The issue only affects local workspaces using AWS SAM CLI with container builds (--use-container), potentially allowing access to local files outside the build directory through the usage of symlinks. \n\n\n\n**Impacted versions:** \u003c= AWS SAM CLI v1.132.0\n\n\n\n### Patches\n\nThe issue has been addressed in version 1.133.0. Users should upgrade and ensure any forked or derivative code is patched to incorporate the new fixes. To retain the previous behavior and allow symlinks to resolve on the host machine, please use the explicit \u0027-[-mount-symlinks](https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/sam-cli-command-reference-sam-build.html#ref-sam-cli-build-options-mount-symlinks)\u0027 parameter.\n\n\n\n### Workarounds\n\nThere is no recommended work around. Customers are advised to upgrade to version v1.133.0 or the latest version.\n\n\n\n### References\n\nCVE-2025-3047\n\n---\n\nIf you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our [vulnerability reporting page](https://aws.amazon.com/security/vulnerability-reporting) or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.\n\n\n\n### Credit\n\nWe would like to thank [Kevin Backhouse](https://github.com/kevinbackhouse) with the GitHub Security Lab for collaborating on this issue through the coordinated vulnerability disclosure process.",
  "id": "GHSA-px37-jpqx-97q9",
  "modified": "2025-10-14T21:59:07Z",
  "published": "2025-03-31T22:36:49Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/aws/aws-sam-cli/security/advisories/GHSA-px37-jpqx-97q9"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3047"
    },
    {
      "type": "WEB",
      "url": "https://github.com/aws/aws-sam-cli/pull/7865"
    },
    {
      "type": "WEB",
      "url": "https://aws.amazon.com/security/security-bulletins/AWS-2025-008"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/aws/aws-sam-cli"
    },
    {
      "type": "WEB",
      "url": "https://github.com/aws/aws-sam-cli/releases/tag/v1.134.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "AWS SAM CLI Path Traversal allows file copy to build container"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CVE-2025-3047 (GCVE-0-2025-3047)

FKIE_CVE-2025-3047

GHSA-PX37-JPQX-97Q9

Summary

Impact

Patches

Workarounds

References

Credit

Tags

Sightings

Nomenclature