github - ghsa-w2x7-fc9j-4572

ghsa-w2x7-fc9j-4572

Vulnerability from github

Published

2025-09-17 18:31

Modified

2025-09-17 18:31

Severity ?

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
5.3 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Details

CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could cause the service to crash. Fixed in commit 89101a6.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-35435"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-369"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-17T17:15:43Z",
    "severity": "MODERATE"
  },
  "details": "CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could cause the service to crash. Fixed in commit 89101a6.",
  "id": "GHSA-w2x7-fc9j-4572",
  "modified": "2025-09-17T18:31:18Z",
  "published": "2025-09-17T18:31:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-35435"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cisagov/thorium/commit/7c94a0b9bc2dc55e0c307360452f348bac06820c"
    },
    {
      "type": "WEB",
      "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-CVE-2025-35435"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-35435 (GCVE-0-2025-35435)

Vulnerability from cvelistv5

Published

2025-09-17 16:53

Modified

2025-09-17 16:53

Severity ?

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
5.3 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CWE

CWE-369 - Divide By Zero

Summary

CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could cause the service to crash. Fixed in commit 89101a6.

References

▼	URL	Tags
	https://github.com/cisagov/thorium/commit/7c94a0b9bc2dc55e0c307360452f348bac06820c
	https://www.cve.org/CVERecord?id=CVE-2025-CVE-2025-35435
	https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json

Impacted products

	Vendor	Product	Version
	CISA	Thorium	Version: 1.0.0 < 89101a6

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Thorium",
          "vendor": "CISA",
          "versions": [
            {
              "lessThan": "89101a6",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "89101a6"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": ", OpenAI Security Research"
        }
      ],
      "datePublic": "2025-08-20T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could cause the service to crash. Fixed in commit 89101a6."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
          }
        },
        {
          "other": {
            "content": {
              "id": "CVE-2025-35435",
              "options": [
                {
                  "Exploitation": "poc"
                },
                {
                  "Automatable": "no"
                },
                {
                  "Technical Impact": "partial"
                }
              ],
              "role": "CISA Coordinator",
              "timestamp": "2025-09-12T17:50:10.207824Z",
              "version": "2.0.3"
            },
            "type": "ssvc"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-369",
              "description": "CWE-369 Divide By Zero",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-17T16:53:22.388Z",
        "orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
        "shortName": "cisa-cg"
      },
      "references": [
        {
          "name": "url",
          "url": "https://github.com/cisagov/thorium/commit/7c94a0b9bc2dc55e0c307360452f348bac06820c"
        },
        {
          "name": "url",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-CVE-2025-35435"
        },
        {
          "name": "url",
          "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json"
        }
      ],
      "title": "CISA Thorium download stream divide by zero"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
    "assignerShortName": "cisa-cg",
    "cveId": "CVE-2025-35435",
    "datePublished": "2025-09-17T16:53:22.388Z",
    "dateReserved": "2025-04-15T20:57:14.281Z",
    "dateUpdated": "2025-09-17T16:53:22.388Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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