github - ghsa-q6r9-r9pw-4cf7

GHSA-Q6R9-R9PW-4CF7

Vulnerability from github – Published: 2025-03-28 14:48 – Updated: 2025-10-14 21:58

Summary

tough failure to detect delegated target rollback

Details

Summary

When updating the snapshot role, TUF clients should ensure that any previously encountered targets or delegated targets metadata files continue to be present in new snapshot metadata files. Likewise, the new targets and delegated targets metadata versions must be greater than or equal to the previously encountered versions. While tough will perform this check for targets metadata files, it did not perform this check for delegated targets files.

Impact

tough could fail to detect cases where delegated targets metadata was removed or rolled back to a previous version. As a result, tough could trust and download outdated targets that it should reject.

Impacted versions: < v0.20.0

Patches

A fix for this issue is available in tough version 0.20.0 and later. Customers are advised to upgrade to version 0.20.0 or later and ensure any forked or derivative code is patched to incorporate the new fixes.

Workarounds

There is no recommended work around. Customers are advised to upgrade to version 0.20.0 or the latest version.

References

If you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our vulnerability reporting page [1] or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.

[1] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting

Acknowledgement

These issues were identified by the TUF-Conformance project. We would like to thank Google for collaborating on this issue through the coordinated vulnerability disclosure process.

Severity ?

4.2 (Medium)


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

5.7 (Medium)


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

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "tough"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.20.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-2887"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1025"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-03-28T14:48:54Z",
    "nvd_published_at": "2025-03-27T23:15:35Z",
    "severity": "MODERATE"
  },
  "details": "## Summary\n\nWhen updating the snapshot role, TUF clients should ensure that any previously encountered targets or delegated targets metadata files continue to be present in new snapshot metadata files. Likewise, the new targets and delegated targets metadata versions must be greater than or equal to the previously encountered versions. While tough will perform this check for targets metadata files, it did not perform this check for delegated targets files.\n\n## Impact\n\ntough could fail to detect cases where delegated targets metadata was removed or rolled back to a previous version. As a result, tough could trust and download outdated targets that it should reject.\n\nImpacted versions: \u003c v0.20.0\n\n## Patches\n\nA fix for this issue is available in tough version 0.20.0 and later. Customers are advised to upgrade to version 0.20.0 or later and ensure any forked or derivative code is patched to incorporate the new fixes.\n\n## Workarounds\n\nThere is no recommended work around. Customers are advised to upgrade to version 0.20.0 or the latest version.\n\n## References\n\nIf you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our vulnerability reporting page [1] 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[1] Vulnerability reporting page: [https://aws.amazon.com/security/vulnerability-reporting](https://aws.amazon.com/security/vulnerability-reporting%EF%BF%BC)\n\n## Acknowledgement\n\nThese issues were identified by the [TUF-Conformance project](https://github.com/theupdateframework/tuf-conformance). We would like to thank Google for collaborating on this issue through the coordinated vulnerability disclosure process.",
  "id": "GHSA-q6r9-r9pw-4cf7",
  "modified": "2025-10-14T21:58:57Z",
  "published": "2025-03-28T14:48:54Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/awslabs/tough/security/advisories/GHSA-q6r9-r9pw-4cf7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2887"
    },
    {
      "type": "WEB",
      "url": "https://github.com/awslabs/tough/commit/3345151a87c358d1ce43aeb7e8b3ebea5ebdbab4"
    },
    {
      "type": "WEB",
      "url": "https://aws.amazon.com/security/security-bulletins/AWS-2025-007"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/awslabs/tough"
    },
    {
      "type": "WEB",
      "url": "https://github.com/awslabs/tough/releases/tag/tough-v0.20.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "tough failure to detect delegated target rollback"
}

CVE-2025-2887 (GCVE-0-2025-2887)

Vulnerability from cvelistv5 – Published: 2025-03-27 22:23 – Updated: 2025-10-14 18:25

Summary

During a target rollback, the client fails to detect the rollback for delegated targets. This could cause the client to fetch a target from an incorrect source, altering the target contents. Users should upgrade to tough version 0.20.0 or later and ensure any forked or derivative code is patched to incorporate the new fixes.

Severity ?

5.7 (Medium)


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

CWE

CWE-1025 - Comparison Using Wrong Factors

Assigner

AMZN

References

URL

Tags

	https://github.com/awslabs/tough/security/advisor…	vendor-advisory
	https://aws.amazon.com/security/security-bulletin…	vendor-advisory
	https://github.com/awslabs/tough/releases/tag/tou…	patch

Impacted products

	Vendor	Product	Version
	AWS	tough	Affected: 0.1.0 , < 0.20.0 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "metrics": [
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                "id": "CVE-2025-2887",
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                "role": "CISA Coordinator",
                "timestamp": "2025-03-28T14:44:40.783814Z",
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      "metrics": [
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            "Recovery": "NOT_DEFINED",
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            "vulnAvailabilityImpact": "NONE",
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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

GHSA-Q6R9-R9PW-4CF7

Summary

Impact

Patches

Workarounds

References

Acknowledgement

CVE-2025-2887 (GCVE-0-2025-2887)

Tags

Sightings

Nomenclature