Vulnerability-Lookup

ubuntu-cve-2018-25103

Vulnerability from osv_ubuntu

Published

2024-06-17 18:15

Modified

2026-04-22 07:38

Summary

Details

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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2018-25103	REPORT
	https://www.cve.org/CVERecord?id=CVE-2018-25103	REPORT
	https://www.runzero.com/blog/lighttpd/	REPORT
	https://www.binarly.io/blog/lighttpd-gains-new-life	REPORT
	https://9443417.fs1.hubspotusercontent-na1.net/hu…	REPORT
	https://blogvdoo.wordpress.com/2018/11/06/giving-…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lighttpd",
            "binary_version": "1.4.33-1+nmu2ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-cml",
            "binary_version": "1.4.33-1+nmu2ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-magnet",
            "binary_version": "1.4.33-1+nmu2ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-mysql-vhost",
            "binary_version": "1.4.33-1+nmu2ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-trigger-b4-dl",
            "binary_version": "1.4.33-1+nmu2ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-webdav",
            "binary_version": "1.4.33-1+nmu2ubuntu2.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "lighttpd",
        "purl": "pkg:deb/ubuntu/lighttpd@1.4.33-1+nmu2ubuntu2.1+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.31-3ubuntu3",
        "1.4.33-1ubuntu1",
        "1.4.33-1+nmu2ubuntu1",
        "1.4.33-1+nmu2ubuntu2",
        "1.4.33-1+nmu2ubuntu2.1",
        "1.4.33-1+nmu2ubuntu2.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lighttpd",
            "binary_version": "1.4.35-4ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-cml",
            "binary_version": "1.4.35-4ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-magnet",
            "binary_version": "1.4.35-4ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-mysql-vhost",
            "binary_version": "1.4.35-4ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-trigger-b4-dl",
            "binary_version": "1.4.35-4ubuntu2.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-webdav",
            "binary_version": "1.4.35-4ubuntu2.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "lighttpd",
        "purl": "pkg:deb/ubuntu/lighttpd@1.4.35-4ubuntu2.1+esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.35-4ubuntu1",
        "1.4.35-4ubuntu2",
        "1.4.35-4ubuntu2.1",
        "1.4.35-4ubuntu2.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lighttpd",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-authn-gssapi",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-authn-ldap",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-authn-mysql",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-cml",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-geoip",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-magnet",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-mysql-vhost",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-trigger-b4-dl",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          },
          {
            "binary_name": "lighttpd-mod-webdav",
            "binary_version": "1.4.45-1ubuntu3.18.04.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "lighttpd",
        "purl": "pkg:deb/ubuntu/lighttpd@1.4.45-1ubuntu3.18.04.1+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.45-1ubuntu1",
        "1.4.45-1ubuntu3",
        "1.4.45-1ubuntu3+esm1",
        "1.4.45-1ubuntu3.18.04",
        "1.4.45-1ubuntu3.18.04+esm1",
        "1.4.45-1ubuntu3.18.04.1",
        "1.4.45-1ubuntu3.18.04.1+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2018-25103",
  "modified": "2026-04-22T07:38:48Z",
  "published": "2024-06-17T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-25103"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-25103"
    },
    {
      "type": "REPORT",
      "url": "https://www.runzero.com/blog/lighttpd/"
    },
    {
      "type": "REPORT",
      "url": "https://www.binarly.io/blog/lighttpd-gains-new-life"
    },
    {
      "type": "REPORT",
      "url": "https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf"
    },
    {
      "type": "REPORT",
      "url": "https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "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

Title

Use-after-free vulnerabilities in lighttpd <= 1.4.50

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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-416 - Use After Free

Assigner

certcc

References

6 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

2 products

Vendor	Product	Version
lighttpd	lighttpd	Affected: * , ≤ 1.4.50 (custom)
lighttpd	lighttpd	Affected: 0 , ≤ 1.4.50 (custom) cpe:2.3:a:lighttpd:lighttpd::::::::

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

{
  "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": [
              "x_transferred"
            ],
            "url": "https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "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",
          "value": "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."
        }
      ],
      "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."
        }
      ],
      "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	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.

Action not permitted

ubuntu-cve-2018-25103

Vulnerability from osv_ubuntu

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

Tags

Sightings

Nomenclature