Vulnerability-Lookup

FKIE_CVE-2025-9810

Vulnerability from fkie_nvd - Published: 2025-09-01 19:15 - Updated: 2025-12-08 15:27

Severity ?

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

Summary

TOCTOU in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and subsequent chmod() on the same path.

References

	URL	Tags
	96148269-fe82-4198-b1bf-3a73ce8bc92e	https://github.com/antirez/linenoise/blob/master/linenoise.c#L1321	Product
	96148269-fe82-4198-b1bf-3a73ce8bc92e	https://github.com/antirez/linenoise/pull/202	Issue Tracking, Third Party Advisory

Impacted products

	Vendor	Product	Version
	antirez	linenoise	1.0

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:antirez:linenoise:1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "8A0C75D6-02D4-480E-B3A4-8BC4B29A1D05",
              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
        }
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    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "TOCTOU \u00a0in linenoiseHistorySave\u00a0in linenoise\u00a0allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen(\"w\")\u00a0on the history path and subsequent chmod()\u00a0on the same path."
    }
  ],
  "id": "CVE-2025-9810",
  "lastModified": "2025-12-08T15:27:15.590",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 4.2,
        "source": "96148269-fe82-4198-b1bf-3a73ce8bc92e",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 4.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-09-01T19:15:32.573",
  "references": [
    {
      "source": "96148269-fe82-4198-b1bf-3a73ce8bc92e",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/antirez/linenoise/blob/master/linenoise.c#L1321"
    },
    {
      "source": "96148269-fe82-4198-b1bf-3a73ce8bc92e",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/antirez/linenoise/pull/202"
    }
  ],
  "sourceIdentifier": "96148269-fe82-4198-b1bf-3a73ce8bc92e",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
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        {
          "lang": "en",
          "value": "CWE-367"
        }
      ],
      "source": "96148269-fe82-4198-b1bf-3a73ce8bc92e",
      "type": "Secondary"
    }
  ]
}

CVE-2025-9810 (GCVE-0-2025-9810)

Vulnerability from cvelistv5 – Published: 2025-09-01 19:03 – Updated: 2025-09-02 16:13

Title

TOCTOU race in Linenoise enables arbitrary file overwrite and permission changes

Summary

Severity ?

6.8 (Medium)


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

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

CyberArk

References

URL

Tags

	https://github.com/antirez/linenoise/blob/master/…
	https://github.com/antirez/linenoise/pull/202

Impacted products

	Vendor	Product	Version
	antirez	linenoise	Affected: 0

Credits

@disconnect3d Simcha Kosman

Show details on NVD website

JSON

To clipboard

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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-9810",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-02T16:13:30.664402Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-02T16:13:46.132Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "modules": [
            "linenoiseHistorySave"
          ],
          "product": "linenoise",
          "programFiles": [
            "linenoise.c"
          ],
          "vendor": "antirez",
          "versions": [
            {
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              "version": "0"
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          "type": "finder",
          "value": "@disconnect3d"
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          "type": "analyst",
          "value": "Simcha Kosman"
        }
      ],
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            }
          ],
          "value": "TOCTOU \u00a0in linenoiseHistorySave\u00a0in linenoise\u00a0allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen(\"w\")\u00a0on the history path and subsequent chmod()\u00a0on the same path."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-132",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-132 Symlink Attack"
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      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
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            "userInteraction": "NONE",
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          "scenarios": [
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      "problemTypes": [
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        "orgId": "96148269-fe82-4198-b1bf-3a73ce8bc92e",
        "shortName": "CyberArk"
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      "references": [
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          "url": "https://github.com/antirez/linenoise/blob/master/linenoise.c#L1321"
        },
        {
          "url": "https://github.com/antirez/linenoise/pull/202"
        }
      ],
      "solutions": [
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              "value": "call fchmod() on the fd instead of chmod() on the path\n\n\u003cbr\u003e"
            }
          ],
          "value": "call fchmod() on the fd instead of chmod() on the path"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
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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

FKIE_CVE-2025-9810

CVE-2025-9810 (GCVE-0-2025-9810)

Tags

Sightings

Nomenclature