github - ghsa-844m-hq7r-wxc8

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

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{
  "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"
    },
    {
      "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"
    }
  ]
}

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.

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{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "lighttpd",
            "vendor": "lighttpd",
            "versions": [
              {
                "lessThanOrEqual": "1.4.50",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2018-25103",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-15T20:05:27.032213Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-15T20:05:35.756Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T12:33:49.277Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.runzero.com/blog/lighttpd/"
          },
          {
            "tags": [
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            ],
            "url": "https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8"
          },
          {
            "tags": [
              "x_transferred"
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            "url": "https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.kb.cert.org/vuls/id/312260"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "lighttpd",
          "vendor": "lighttpd",
          "versions": [
            {
              "lessThanOrEqual": "1.4.50",
              "status": "affected",
              "version": "*",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
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        }
      ],
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        {
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          "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-416: Use After Free",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-09T14:45:06.732Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "url": "https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736"
        },
        {
          "url": "https://www.runzero.com/blog/lighttpd/"
        },
        {
          "url": "https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9"
        },
        {
          "url": "https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8"
        },
        {
          "url": "https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf"
        },
        {
          "url": "https://www.kb.cert.org/vuls/id/312260"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Use-after-free vulnerabilities in lighttpd \u003c= 1.4.50",
      "x_generator": {
        "engine": "VINCE 3.0.4",
        "env": "prod",
        "origin": "https://cveawg.mitre.org/api/cve/CVE-2018-25103"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2018-25103",
    "datePublished": "2024-06-17T18:02:57.162Z",
    "dateReserved": "2024-06-17T17:47:24.277Z",
    "dateUpdated": "2025-09-15T20:05:35.756Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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

GHSA-844M-HQ7R-WXC8

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

Tags

Sightings

Nomenclature