Vulnerability-Lookup

FKIE_CVE-2018-6196

Vulnerability from fkie_nvd - Published: 2018-01-25 03:29 - Updated: 2026-06-17 02:01

Severity

7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value.

References

URL	Tags
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
cve@mitre.org	https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92	Patch, Third Party Advisory
cve@mitre.org	https://github.com/tats/w3m/issues/88	Exploit, Patch, Third Party Advisory
cve@mitre.org	https://lists.debian.org/debian-lts-announce/2020/04/msg00025.html
cve@mitre.org	https://usn.ubuntu.com/3555-1/	Third Party Advisory
cve@mitre.org	https://usn.ubuntu.com/3555-2/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
af854a3a-2127-422b-91ae-364da2661108	https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/tats/w3m/issues/88	Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2020/04/msg00025.html
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/3555-1/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/3555-2/	Third Party Advisory

Impacted products

Vendor	Product	Version
tats	w3m	*
canonical	ubuntu_linux	12.04
canonical	ubuntu_linux	14.04
canonical	ubuntu_linux	16.04
canonical	ubuntu_linux	17.10

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tats:w3m:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5C52F32D-ABD2-4E19-A0D0-0B284B91D2BD",
              "versionEndIncluding": "0.5.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value."
    },
    {
      "lang": "es",
      "value": "w3m hasta la versi\u00f3n 0.5.3 es propenso a un error de recursi\u00f3n infinita en HTMLlineproc0 debido a que la funci\u00f3n feed_table_block_tag en table.c no evita un valor negativo de sangr\u00eda."
    }
  ],
  "id": "CVE-2018-6196",
  "lastModified": "2026-06-17T02:01:29.700",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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          "version": "3.0"
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        "type": "Primary"
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  "published": "2018-01-25T03:29:00.447",
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      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://github.com/tats/w3m/issues/88"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2020/04/msg00025.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/3555-1/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/3555-2/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
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    },
    {
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      "url": "https://lists.debian.org/debian-lts-announce/2020/04/msg00025.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://usn.ubuntu.com/3555-2/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-6196 (GCVE-0-2018-6196)

Vulnerability from cvelistv5 – Published: 2018-01-25 03:00 – Updated: 2024-08-05 05:54

Summary

w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://github.com/tats/w3m/commit/8354763b90490d…	x_refsource_CONFIRM
https://usn.ubuntu.com/3555-2/	vendor-advisoryx_refsource_UBUNTU
https://github.com/tats/w3m/issues/88	x_refsource_CONFIRM
https://usn.ubuntu.com/3555-1/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Date Public

2018-01-24 00:00

Show details on NVD website

JSON

To clipboard

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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FKIE_CVE-2018-6196

CVE-2018-6196 (GCVE-0-2018-6196)

Tags

Sightings

Nomenclature

Related by attack behaviour