fkie_cve-2011-4957
Vulnerability from fkie_nvd
Published
2012-06-27 21:55
Modified
2025-04-11 00:51
Severity ?
Summary
The make_clickable function in wp-includes/formatting.php in WordPress before 3.1.1 does not properly check URLs before passing them to the PCRE library, which allows remote attackers to cause a denial of service (crash) via a comment with a crafted URL that triggers many recursive calls.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E8100215-C7D0-41B8-9814-0573B52C4948",
"versionEndIncluding": "3.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:0.71:*:*:*:*:*:*:*",
"matchCriteriaId": "9C8B90E9-5DF5-45F5-9810-2973FDAA16A3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "D7D86BA1-3DC8-478C-B2FA-581F9AE1F93E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.0.1:*:*:*:*:*:*:*",
"matchCriteriaId": "6E7BEFBD-4326-44A5-A160-9406D94AB307",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "E85A88D7-07A1-4A8C-88B5-057AD9C675E8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.1.1:*:*:*:*:*:*:*",
"matchCriteriaId": "C8B664FF-DF43-45C3-A42D-1FCD42A597B8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "FF1FE320-DF71-42EC-A0F0-300F7D6D4AB4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.2.1:*:*:*:*:*:*:*",
"matchCriteriaId": "B64D4777-2ED6-4A47-A8F3-38A3A8EB1ACB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.2.2:*:*:*:*:*:*:*",
"matchCriteriaId": "614956CB-0582-4EAD-86F4-5AB0BB781CE0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.2.3:*:*:*:*:*:*:*",
"matchCriteriaId": "59F19F56-9338-4917-B782-AA70BF1511EF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.2.4:*:*:*:*:*:*:*",
"matchCriteriaId": "B83B70AE-3C27-4AD0-869C-E219728A8D92",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.2.5:*:*:*:*:*:*:*",
"matchCriteriaId": "62C3BA98-8CF0-4440-BE46-27FC0E20BC38",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.2.5:a:*:*:*:*:*:*",
"matchCriteriaId": "0D437FE7-78EA-4264-BF16-1B5757AC6AE6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.3:*:*:*:*:*:*:*",
"matchCriteriaId": "A53347E6-D721-4E47-BE5B-FA927B9DB164",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.3.2:*:*:*:*:*:*:*",
"matchCriteriaId": "C2C97B7C-77F4-4020-8574-E853CE5CD885",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.3.3:*:*:*:*:*:*:*",
"matchCriteriaId": "B47496E3-BB07-45E6-ACCA-84D5EF499E21",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.5:*:*:*:*:*:*:*",
"matchCriteriaId": "503E4894-3F39-471F-9A56-052718813BF9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.5.1:*:*:*:*:*:*:*",
"matchCriteriaId": "38085E5A-7B41-4E43-8A22-5FD44970F3EA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.5.1.1:*:*:*:*:*:*:*",
"matchCriteriaId": "CF628FB8-1AC4-4F15-9967-E60785A32D1A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.5.1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "7F0BF1F6-A54A-48E8-A872-015FE10E5D03",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.5.1.3:*:*:*:*:*:*:*",
"matchCriteriaId": "4F0B6EAC-E43D-4D1B-856F-7C23250A2355",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:1.5.2:*:*:*:*:*:*:*",
"matchCriteriaId": "51FAD0FC-CE84-4332-B061-75C0C8A0B6AC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0:*:*:*:*:*:*:*",
"matchCriteriaId": "BDCFE9AA-39E9-4366-AAB7-F7A891BC797E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.1:*:*:*:*:*:*:*",
"matchCriteriaId": "BAF4671A-8449-438E-922B-94E5542137BC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "92F05A1F-2227-4166-807B-1BDE2EA8F245",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.4:*:*:*:*:*:*:*",
"matchCriteriaId": "EECE66B3-3696-4E98-AF63-DF2FB256A6FB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.5:*:*:*:*:*:*:*",
"matchCriteriaId": "E75BB382-6B47-4C6A-BF94-80443BEB1A23",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.6:*:*:*:*:*:*:*",
"matchCriteriaId": "EFA75368-506F-4772-B0F2-8AAECDF288F2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.7:*:*:*:*:*:*:*",
"matchCriteriaId": "FDDD9E5C-766F-4945-B87D-781E780AB03E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.8:*:*:*:*:*:*:*",
"matchCriteriaId": "A48C0BB5-2D87-49ED-A8EB-843E5F0EAE8E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.9:*:*:*:*:*:*:*",
"matchCriteriaId": "E6AAA17D-FBB8-4F54-82E2-870D6FA5C299",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.10:*:*:*:*:*:*:*",
"matchCriteriaId": "B2A0CAEE-5C14-44C6-85FB-6AFDAAA1C3F2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.0.11:*:*:*:*:*:*:*",
"matchCriteriaId": "66BE667A-A937-4C38-B4D5-29B33F23F7B9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.1:*:*:*:*:*:*:*",
"matchCriteriaId": "8A3624D4-E666-4A1B-B465-714ACBA0034C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.1.1:*:*:*:*:*:*:*",
"matchCriteriaId": "7A7CBC45-320E-48CF-9A63-07DDE2FB61BE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "266E32CD-66FB-4E19-8091-EC748B177D8A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.1.3:*:*:*:*:*:*:*",
"matchCriteriaId": "D3DD9120-2224-4612-A6EE-539F47BD50E0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.2:*:*:*:*:*:*:*",
"matchCriteriaId": "5A9FBA02-8A6A-471F-92CD-D8E77B5061C2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.2.1:*:*:*:*:*:*:*",
"matchCriteriaId": "1B5BC7E8-4C8A-4183-AB8C-1DAE12935387",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.2.2:*:*:*:*:*:*:*",
"matchCriteriaId": "A0F9137B-D13F-488B-8196-85E06FAB682E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.2.3:*:*:*:*:*:*:*",
"matchCriteriaId": "82F257F4-CB62-4C6F-8866-AA253EC8C0C3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.3:*:*:*:*:*:*:*",
"matchCriteriaId": "79AB6F6F-2FE3-4FC3-9009-D40EA852711F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.3.1:*:*:*:*:*:*:*",
"matchCriteriaId": "A82F4D88-779D-4D5D-96CD-2B31B61BA29E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.3.2:*:*:*:*:*:*:*",
"matchCriteriaId": "FA0DABD9-DE15-4619-8668-0277A67F5205",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.3.3:*:*:*:*:*:*:*",
"matchCriteriaId": "A80D1CBE-DA6D-4939-A4A4-8F237C97F76C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.5:*:*:*:*:*:*:*",
"matchCriteriaId": "40BEC573-A346-4F07-8053-A5F6E92A343C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.5.1:*:*:*:*:*:*:*",
"matchCriteriaId": "2A777651-D2B2-47E0-A13C-BD667635F3E8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.6:*:*:*:*:*:*:*",
"matchCriteriaId": "B017F95A-90F8-4DE4-B74F-ABB712F32987",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.6.1:*:*:*:*:*:*:*",
"matchCriteriaId": "1503C4CB-5D58-4523-860C-4B637AD91CB9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.6.2:*:*:*:*:*:*:*",
"matchCriteriaId": "55050BF2-A950-45FF-8CD7-7689431AD82A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.6.3:*:*:*:*:*:*:*",
"matchCriteriaId": "1253161D-F1C8-46D6-B970-20335071500E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.6.5:*:*:*:*:*:*:*",
"matchCriteriaId": "CEE401B3-6291-4EA8-8800-0350BAC0B22E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.7:*:*:*:*:*:*:*",
"matchCriteriaId": "2C0D45AE-F0FE-4005-80FB-FEFD2DCCE7D2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.7.1:*:*:*:*:*:*:*",
"matchCriteriaId": "F5663CAA-0859-447E-8489-02CE4315DF91",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8:*:*:*:*:*:*:*",
"matchCriteriaId": "480AE325-6DE1-4769-A931-0C6F40D15267",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8.1:*:*:*:*:*:*:*",
"matchCriteriaId": "CE23B6C2-354C-47BE-87B9-D4A0A3EE8ADC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8.2:*:*:*:*:*:*:*",
"matchCriteriaId": "FC657077-8955-4CE6-93D8-F78B1BA3A949",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8.3:*:*:*:*:*:*:*",
"matchCriteriaId": "43FADD00-822C-4BA2-A39F-1459AD786683",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8.4:*:*:*:*:*:*:*",
"matchCriteriaId": "D863DE9E-FD9E-4EA1-9615-02D678813AB9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8.4:a:*:*:*:*:*:*",
"matchCriteriaId": "3ABD501B-351E-4B4E-9B0B-CF8DCBC72E66",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8.5:*:*:*:*:*:*:*",
"matchCriteriaId": "9AA39559-D170-4644-B04D-D6D806B5F33C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8.5.1:*:*:*:*:*:*:*",
"matchCriteriaId": "54954434-86BC-403C-949D-E9DA8931FE6E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8.5.2:*:*:*:*:*:*:*",
"matchCriteriaId": "E9A88E6C-BE39-4668-BD0F-EBDBA41010F6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.8.6:*:*:*:*:*:*:*",
"matchCriteriaId": "EA7BF77C-68A1-421B-A446-6206354CA7FE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.9:*:*:*:*:*:*:*",
"matchCriteriaId": "EF45B5A6-0D49-494F-98A0-CCCBB0CBB882",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.9.1:*:*:*:*:*:*:*",
"matchCriteriaId": "AB874C78-3F05-4053-A685-40DE7055359C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.9.1.1:*:*:*:*:*:*:*",
"matchCriteriaId": "6BC0FFB2-58E1-47D2-ACB0-9102D4E09675",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:2.9.2:*:*:*:*:*:*:*",
"matchCriteriaId": "654F2F75-42D4-4D7A-A8B8-F1C580ABDCA5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "5A684588-4D37-4817-9A1A-BF2E70EC8F7B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:3.0.1:*:*:*:*:*:*:*",
"matchCriteriaId": "05D3E145-ECF8-4BAD-9471-4E4605887B18",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:3.0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "525887EE-50DB-4739-8897-A0D19D486CE6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:3.0.3:*:*:*:*:*:*:*",
"matchCriteriaId": "9DC19614-2A59-4A49-B824-35975502B38F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:3.0.4:*:*:*:*:*:*:*",
"matchCriteriaId": "8E2DDB9C-E1D7-4DBD-A27C-93C9A9C0B7E4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:3.0.5:*:*:*:*:*:*:*",
"matchCriteriaId": "832F89CB-595B-407A-A27C-F655F7112830",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:wordpress:wordpress:3.0.6:*:*:*:*:*:*:*",
"matchCriteriaId": "89977E0E-694C-49FA-814D-D356EC9294C5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The make_clickable function in wp-includes/formatting.php in WordPress before 3.1.1 does not properly check URLs before passing them to the PCRE library, which allows remote attackers to cause a denial of service (crash) via a comment with a crafted URL that triggers many recursive calls."
},
{
"lang": "es",
"value": "La funci\u00f3n make_clickable en wp-includes/formatting.php en WordPress antes de v3.1.1 no comprueba las URL correctamente antes de pasarlas a la biblioteca PCRE, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de un comentario con una URL modificada que lanza muchas llamadas recursivas."
}
],
"id": "CVE-2011-4957",
"lastModified": "2025-04-11T00:51:21.963",
"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
}
]
},
"published": "2012-06-27T21:55:02.360",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://core.trac.wordpress.org/ticket/16892"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44038"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/49138"
},
{
"source": "secalert@redhat.com",
"url": "http://wordpress.org/news/2011/04/wordpress-3-1-1/"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2012/dsa-2470"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2012/04/19/17"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2012/04/19/6"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://core.trac.wordpress.org/ticket/16892"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44038"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/49138"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://wordpress.org/news/2011/04/wordpress-3-1-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2012/dsa-2470"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/04/19/17"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/04/19/6"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…