Vulnerability-Lookup

FKIE_CVE-2015-5523

Vulnerability from fkie_nvd - Published: 2015-08-11 14:59 - Updated: 2026-06-17 00:29

Severity

Summary

The ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation.

References

URL	Tags
cve@mitre.org	http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html	Mailing List, Third Party Advisory
cve@mitre.org	http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html	Mailing List, Third Party Advisory
cve@mitre.org	http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html	Mailing List, Third Party Advisory
cve@mitre.org	http://www.debian.org/security/2015/dsa-3309	Third Party Advisory
cve@mitre.org	http://www.openwall.com/lists/oss-security/2015/06/04/2	Exploit
cve@mitre.org	http://www.openwall.com/lists/oss-security/2015/07/13/7	Exploit
cve@mitre.org	http://www.openwall.com/lists/oss-security/2015/07/15/3
cve@mitre.org	http://www.securityfocus.com/bid/75037
cve@mitre.org	http://www.securitytracker.com/id/1033703
cve@mitre.org	http://www.ubuntu.com/usn/USN-2695-1	Third Party Advisory
cve@mitre.org	https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501	Exploit
cve@mitre.org	https://support.apple.com/HT205212	Third Party Advisory
cve@mitre.org	https://support.apple.com/HT205213	Third Party Advisory
cve@mitre.org	https://support.apple.com/HT205267	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.debian.org/security/2015/dsa-3309	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2015/06/04/2	Exploit
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2015/07/13/7	Exploit
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2015/07/15/3
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/75037
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1033703
af854a3a-2127-422b-91ae-364da2661108	http://www.ubuntu.com/usn/USN-2695-1	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501	Exploit
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/HT205212	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/HT205213	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/HT205267	Third Party Advisory

Impacted products

Vendor	Product	Version
canonical	ubuntu_linux	12.04
canonical	ubuntu_linux	14.04
canonical	ubuntu_linux	15.04
debian	debian_linux	7.0
debian	debian_linux	8.0
apple	iphone_os	*
apple	mac_os_x	*
apple	watchos	*
htacg	tidy	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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    {
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              "vulnerable": true
            },
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            },
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    },
    {
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              "versionEndIncluding": "8.2",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "D1A0EBC0-73C1-4640-90AD-4371D1C0D09F",
              "versionEndIncluding": "10.6.8",
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            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CCBD0D8B-CD44-4B09-834F-F640546DFED4",
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              "versionEndIncluding": "4.9.30",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en la funci\u00f3n ParseValue en lexer.c en tidy en versiones anteriores a 4.9.31, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de vectores implicando m\u00faltiples espacios en blanco antes de un href vac\u00edo, lo que desencadena una asignaci\u00f3n de memoria de gran tama\u00f1o."
    }
  ],
  "id": "CVE-2015-5523",
  "lastModified": "2026-06-17T00:29:16.440",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ]
  },
  "published": "2015-08-11T14:59:15.430",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html"
    },
    {
      "source": "cve@mitre.org",
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      "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html"
    },
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        "Third Party Advisory"
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      "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
      "url": "http://www.debian.org/security/2015/dsa-3309"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2015/06/04/2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2015/07/13/7"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.openwall.com/lists/oss-security/2015/07/15/3"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/75037"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1033703"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-2695-1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://support.apple.com/HT205212"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://support.apple.com/HT205213"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://support.apple.com/HT205267"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
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      "url": "http://www.securitytracker.com/id/1033703"
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    },
    {
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2015-5523 (GCVE-0-2015-5523)

Vulnerability from cvelistv5 – Published: 2015-08-11 14:00 – Updated: 2024-08-06 06:50

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

14 references

URL	Tags
http://www.securitytracker.com/id/1033703	vdb-entryx_refsource_SECTRACK
http://www.openwall.com/lists/oss-security/2015/07/13/7	mailing-listx_refsource_MLIST
https://support.apple.com/HT205212	x_refsource_CONFIRM
http://lists.apple.com/archives/security-announce…	vendor-advisoryx_refsource_APPLE
http://www.openwall.com/lists/oss-security/2015/06/04/2	mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-2695-1	vendor-advisoryx_refsource_UBUNTU
https://support.apple.com/HT205267	x_refsource_CONFIRM
http://www.debian.org/security/2015/dsa-3309	vendor-advisoryx_refsource_DEBIAN
http://lists.apple.com/archives/security-announce…	vendor-advisoryx_refsource_APPLE
https://github.com/htacg/tidy-html5/issues/217#is…	x_refsource_CONFIRM
https://support.apple.com/HT205213	x_refsource_CONFIRM
http://www.securityfocus.com/bid/75037	vdb-entryx_refsource_BID
http://lists.apple.com/archives/security-announce…	vendor-advisoryx_refsource_APPLE
http://www.openwall.com/lists/oss-security/2015/07/15/3	mailing-listx_refsource_MLIST

Date Public

2015-06-03 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T06:50:02.823Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
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            "tags": [
              "vdb-entry",
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          },
          {
            "name": "[oss-security] 20150713 Re: CVE Request - tidy 0.99 / tidy5 heap-buffer-overflow",
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    "cna": {
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      ],
      "problemTypes": [
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        {
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          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
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        },
        {
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          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2695-1"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.apple.com/HT205267"
        },
        {
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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

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

FKIE_CVE-2015-5523

CVE-2015-5523 (GCVE-0-2015-5523)

Tags

Sightings

Nomenclature

Related by attack behaviour