cvelistv5 - cve-2025-2888

CVE-2025-2888 (GCVE-0-2025-2888)

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

Summary

During a snapshot rollback, the client incorrectly caches the timestamp metadata. If the client checks the cache when attempting to perform the next update, the update timestamp validation will fail, preventing the next update until the cache is cleared. 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

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FKIE_CVE-2025-2888

Vulnerability from fkie_nvd - Published: 2025-03-27 23:15 - Updated: 2025-10-14 19:15

Severity ?

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

Summary

References

URL	Tags
ff89ba41-3aa1-4d27-914a-91399e9639e5	https://aws.amazon.com/security/security-bulletins/AWS-2025-007/	Vendor Advisory
ff89ba41-3aa1-4d27-914a-91399e9639e5	https://github.com/awslabs/tough/releases/tag/tough-v0.20.0
ff89ba41-3aa1-4d27-914a-91399e9639e5	https://github.com/awslabs/tough/security/advisories/GHSA-76g3-38jv-wxh4	Vendor Advisory

Impacted products

	Vendor	Product	Version
	amazon	tough	*

JSON

To clipboard

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GHSA-76G3-38JV-WXH4

Vulnerability from github – Published: 2025-03-28 14:49 – Updated: 2025-10-14 21:59

Summary

tough timestamp metadata is cached when it fails snapshot rollback check

Details

Summary

TUF repositories use the timestamp role to protect against rollback events by enabling an automated process to periodically sign the role's metadata. While tough will ensure that the version of snapshot metadata in new timestamp metadata files was always greater than or equal to the previously trusted version, it will only do so after persisting the timestamp metadata to its cache.

Impact

If the tough client successfully detects a rollback event in which timestamp metadata contains outdated snapshot metadata, the invalid timestamp metadata will still be persisted to cache as trusted. tough may then subsequently incorrectly identify valid timestamp metadata as being rolled back, preventing the client from consuming valid updates.

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

To clipboard

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  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "tough"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.20.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-2888"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1025"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-03-28T14:49:47Z",
    "nvd_published_at": "2025-03-27T23:15:35Z",
    "severity": "MODERATE"
  },
  "details": "## Summary\n\nTUF repositories use the timestamp role to protect against rollback events by enabling an automated process to periodically sign the role\u0027s metadata. While tough will ensure that the version of snapshot metadata in new timestamp metadata files was always greater than or equal to the previously trusted version, it will only do so after persisting the timestamp metadata to its cache.\n\n## Impact\n\nIf the tough client successfully detects a rollback event in which timestamp metadata contains outdated snapshot metadata, the invalid timestamp metadata will still be persisted to cache as trusted. tough may then subsequently incorrectly identify valid timestamp metadata as being rolled back, preventing the client from consuming valid updates.\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\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-76g3-38jv-wxh4",
  "modified": "2025-10-14T21:59:01Z",
  "published": "2025-03-28T14:49:47Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/awslabs/tough/security/advisories/GHSA-76g3-38jv-wxh4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2888"
    },
    {
      "type": "WEB",
      "url": "https://github.com/awslabs/tough/commit/9b400e1c8b7d6b9ab8009104fa7fe5884db05f18"
    },
    {
      "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 timestamp metadata is cached when it fails snapshot rollback check"
}

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-2025-2888 (GCVE-0-2025-2888)

FKIE_CVE-2025-2888

GHSA-76G3-38JV-WXH4

Summary

Impact

Patches

Workarounds

References

Acknowledgement

Tags

Sightings

Nomenclature