cvelistv5 - cve-2018-25103

CVE-2018-25103 (GCVE-0-2018-25103)

Vulnerability from cvelistv5 – Published: 2024-06-17 18:02 – Updated: 2025-09-15 20:05

Summary

There exists use-after-free vulnerabilities in lighttpd <= 1.4.50 request parsing which might read from invalid pointers to memory used in the same request, not from other requests.

Severity ?

5.3 (Medium)


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

CWE

CWE-416 - Use After Free

Assigner

certcc

References

URL

Tags

	https://blogvdoo.wordpress.com/2018/11/06/giving-…
	https://www.runzero.com/blog/lighttpd/
	https://github.com/lighttpd/lighttpd1.4/commit/df…
	https://github.com/lighttpd/lighttpd1.4/commit/d1…
	https://9443417.fs1.hubspotusercontent-na1.net/hu…
	https://www.kb.cert.org/vuls/id/312260

Impacted products

	Vendor	Product	Version
	lighttpd	lighttpd	Affected: * , ≤ 1.4.50 (custom)

Credits

Thanks to VDOO Embedded Security part of JFROG for reporting the vulnerability in the If-Modified-Since header with line folding, and thanks to Marcus Wengelin for reporting the vulnerability in the Range header with a specially crafted pair of Range headers.

Show details on NVD website

JSON

To clipboard

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GHSA-844M-HQ7R-WXC8

Vulnerability from github – Published: 2024-06-17 18:31 – Updated: 2024-07-09 18:30

Details

There exists a use-after-free-vulnerability in lighttpd <= 1.4.50 that can allow access to do a case-insensitive comparison against the reused pointer.

Severity ?

5.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2018-25103"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-17T18:15:12Z",
    "severity": "MODERATE"
  },
  "details": "There exists a use-after-free-vulnerability in lighttpd \u003c= 1.4.50 that can allow access to do a case-insensitive comparison against the reused pointer.",
  "id": "GHSA-844m-hq7r-wxc8",
  "modified": "2024-07-09T18:30:42Z",
  "published": "2024-06-17T18:31:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-25103"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9"
    },
    {
      "type": "WEB",
      "url": "https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf"
    },
    {
      "type": "WEB",
      "url": "https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736"
    },
    {
      "type": "WEB",
      "url": "https://www.binarly.io/blog/lighttpd-gains-new-life"
    },
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      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/312260"
    },
    {
      "type": "WEB",
      "url": "https://www.runzero.com/blog/lighttpd"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

FKIE_CVE-2018-25103

Vulnerability from fkie_nvd - Published: 2024-06-17 18:15 - Updated: 2024-11-21 04:03

Severity ?

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

Summary

There exists use-after-free vulnerabilities in lighttpd <= 1.4.50 request parsing which might read from invalid pointers to memory used in the same request, not from other requests.

References

	URL	Tags
	cret@cert.org	https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf
	cret@cert.org	https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736
	cret@cert.org	https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8
	cret@cert.org	https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9
	cret@cert.org	https://www.kb.cert.org/vuls/id/312260
	cret@cert.org	https://www.runzero.com/blog/lighttpd/
	af854a3a-2127-422b-91ae-364da2661108	https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf
	af854a3a-2127-422b-91ae-364da2661108	https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9
	af854a3a-2127-422b-91ae-364da2661108	https://www.kb.cert.org/vuls/id/312260
	af854a3a-2127-422b-91ae-364da2661108	https://www.runzero.com/blog/lighttpd/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "There exists use-after-free vulnerabilities in lighttpd \u003c= 1.4.50 request parsing which might read from invalid pointers to memory used in the same request, not from other requests."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de use-after-free en lighttpd \u0026lt;= 1.4.50 que puede permitir el acceso para realizar una comparaci\u00f3n que no distinga entre may\u00fasculas y min\u00fasculas con el puntero reutilizado."
    }
  ],
  "id": "CVE-2018-25103",
  "lastModified": "2024-11-21T04:03:34.090",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-06-17T18:15:12.650",
  "references": [
    {
      "source": "cret@cert.org",
      "url": "https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf"
    },
    {
      "source": "cret@cert.org",
      "url": "https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736"
    },
    {
      "source": "cret@cert.org",
      "url": "https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8"
    },
    {
      "source": "cret@cert.org",
      "url": "https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9"
    },
    {
      "source": "cret@cert.org",
      "url": "https://www.kb.cert.org/vuls/id/312260"
    },
    {
      "source": "cret@cert.org",
      "url": "https://www.runzero.com/blog/lighttpd/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.kb.cert.org/vuls/id/312260"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.runzero.com/blog/lighttpd/"
    }
  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Awaiting Analysis"
}

WID-SEC-W-2024-1563

Vulnerability from csaf_certbund - Published: 2024-07-09 22:00 - Updated: 2024-07-09 22:00

Summary

lighttpd: Schwachstelle ermöglicht Denial of Service und Informationsoffenlegung

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

lighttpd ist ein Open Source Webserver.

Angriff

Ein entfernter anonymer Angreifer kann eine Schwachstelle in lighttpd ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen oder vertrauliche Informationen offenzulegen.

Betroffene Betriebssysteme

- Linux

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "lighttpd ist ein Open Source Webserver.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter anonymer Angreifer kann eine Schwachstelle in lighttpd ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen oder vertrauliche Informationen offenzulegen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2024-1563 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1563.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-1563 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1563"
      },
      {
        "category": "external",
        "summary": "CERT Coordination Center vom 2024-07-09",
        "url": "https://kb.cert.org/vuls/id/312260"
      },
      {
        "category": "external",
        "summary": "lighttpd GitHub vom 2024-07-09",
        "url": "https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9"
      }
    ],
    "source_lang": "en-US",
    "title": "lighttpd: Schwachstelle erm\u00f6glicht Denial of Service und Informationsoffenlegung",
    "tracking": {
      "current_release_date": "2024-07-09T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T18:11:04.791+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2024-1563",
      "initial_release_date": "2024-07-09T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2024-07-09T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.4.51",
                "product": {
                  "name": "Open Source lighttpd \u003c1.4.51",
                  "product_id": "394843"
                }
              }
            ],
            "category": "product_name",
            "name": "lighttpd"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-25103",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in lighttpd aufgrund eines use-after-free, die es erlaubt, von ung\u00fcltigen Zeigern im CPU-Speicher zu lesen. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen \"Denial of Service\"-Zustand zu erzeugen oder um vertrauliche Informationen wie Prozessspeicheradressen offenzulegen."
        }
      ],
      "release_date": "2024-07-09T22:00:00.000+00:00",
      "title": "CVE-2018-25103"
    }
  ]
}

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-2018-25103 (GCVE-0-2018-25103)

GHSA-844M-HQ7R-WXC8

FKIE_CVE-2018-25103

WID-SEC-W-2024-1563

Tags

Sightings

Nomenclature