Vulnerability-Lookup

CVE-2025-59942 (GCVE-0-2025-59942)

Vulnerability from cvelistv5 – Published: 2025-09-29 22:50 – Updated: 2025-09-30 13:51

Title

go-f3 module vulnerable to integer overflow leading to panic

Summary

go-f3 is a Golang implementation of Fast Finality for Filecoin (F3). In versions 0.8.6 and below, go-f3 panics when it validates a "poison" messages causing Filecoin nodes consuming F3 messages to become vulnerable. A "poison" message can can cause integer overflow in the signer index validation, which can cause the whole node to crash. These malicious messages aren't self-propagating since the bug is in the validator. An attacker needs to directly send the message to all targets. This issue is fixed in version 0.8.7.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-09-30 13:51 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/filecoin-project/go-f3/securit…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version	CPE status
filecoin-project	go-f3	Affected: < 0.8.7	guessed

Show details on NVD website

JSON

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FKIE_CVE-2025-59942

Vulnerability from fkie_nvd - Published: 2025-09-29 23:15 - Updated: 2026-06-17 09:46

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/filecoin-project/go-f3/security/advisories/GHSA-g99p-47x7-mq88	Vendor Advisory

Impacted products

	Vendor	Product	Version
	filecoin	go-f3	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "go-f3",
          "vendor": "filecoin-project",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.8.7"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:filecoin:go-f3:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "76067EBF-A178-4C8C-860A-A5FAEBB9801B",
              "versionEndExcluding": "0.8.7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "go-f3 is a Golang implementation of Fast Finality for Filecoin (F3). In versions 0.8.6 and below, go-f3 panics when it validates a \"poison\" messages causing Filecoin nodes consuming F3 messages to become vulnerable. A \"poison\" message can can cause integer overflow in the signer index validation, which can cause the whole node to crash. These malicious messages aren\u0027t self-propagating since the bug is in the validator. An attacker needs to directly send the message to all targets. This issue is fixed in version 0.8.7."
    }
  ],
  "id": "CVE-2025-59942",
  "lastModified": "2026-06-17T09:46:53.783",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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GHSA-G99P-47X7-MQ88

Vulnerability from github – Published: 2025-09-29 20:40 – Updated: 2025-10-23 20:32

Summary

go-f3 module vulnerable to integer overflow leading to panic

Details

Impact

Filecoin nodes consuming F3 messages are vulnerable. go-f3 panics when it validates a "poison" messages. A "poison" message can can cause integer overflow in the signer index validation. In Lotus' case, the whole node will crash.

There is no barrier to entry. An attacker doesn't need any power to pull off this attack.

These malicious messages aren't self-propagating since the bug is in the validator. An attacker needs to directly send the message to all targets.

Patches

The fix was merged and released with go-f3 0.8.7. All node software (Lotus, Forest, Venus) are using a patched version of go-f3 with their updates for the nv27 network upgrade.

go-f3 now does proper overflow checking using math.MaxInt64 comparison and returns error "justificationPower overflow" when overflow would occur.

Workarounds

The are no immediate workarounds available. Nodes should upgrade to the patched version, which they will have done if participating in nv27 on Filecoin mainnet.

Credits

The initial finding(unrelated path) was reported by 0xNirix via bug bounty program which wasn't high issue. The further digging by developers led to this finding. Thank you for the contributions.

Severity

7.5 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/filecoin-project/go-f3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-59942"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-09-29T20:40:08Z",
    "nvd_published_at": "2025-09-29T23:15:32Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nFilecoin nodes consuming F3 messages are vulnerable.  go-f3 panics when it validates a \"poison\" messages.  A \"poison\" message can can cause integer overflow in the signer index validation.  In Lotus\u0027 case, the whole node will crash.  \n\nThere is no barrier to entry.  An attacker doesn\u0027t need any power to pull off this attack.\n\nThese malicious messages aren\u0027t self-propagating since the bug is in the validator.  An attacker needs to directly send the message to all targets.\n\n\n\n### Patches\nThe fix was merged and released with go-f3 0.8.7.  All node software (Lotus, Forest, Venus) are using a patched version of go-f3 with their updates for the nv27 network upgrade.\n\ngo-f3 now does proper overflow checking using `math.MaxInt64` comparison and returns error `\"justificationPower overflow\"` when overflow would occur.\n\n### Workarounds\nThe are no immediate workarounds available.  Nodes should upgrade to the patched version, which they will have done if participating in nv27 on Filecoin mainnet.\n\n### Credits\nThe initial finding(unrelated path) was reported by [0xNirix](https://github.com/0xNirix) via bug bounty program which wasn\u0027t high issue. The further digging by developers led to this finding. Thank you for the contributions.",
  "id": "GHSA-g99p-47x7-mq88",
  "modified": "2025-10-23T20:32:56Z",
  "published": "2025-09-29T20:40:08Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/filecoin-project/go-f3/security/advisories/GHSA-g99p-47x7-mq88"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59942"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/filecoin-project/go-f3"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2025-3990"
    }
  ],
  "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": "go-f3 module vulnerable to integer overflow leading to panic"
}

OPENSUSE-SU-2025:15666-1

Vulnerability from csaf_opensuse - Published: 2025-10-24 00:00 - Updated: 2025-10-24 00:00

Summary

govulncheck-vulndb-0.0.20251023T162509-1.1 on GA media

Severity

Moderate

Scope

17 vulnerabilities in this advisory, including CVE-2025-59942.

CVE-2025-59942

Recommended: 4 products

Open the full advisory

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2025-59942 (GCVE-0-2025-59942)

FKIE_CVE-2025-59942

GHSA-G99P-47X7-MQ88

Impact

Patches

Workarounds

Credits

OPENSUSE-SU-2025:15666-1

Tags

Sightings

Nomenclature