CVE-2008-4640
Estado: ModificadaBaja (3.6)—
The DoCommand function in jhead.c in Matthias Wandel jhead 2.84 and earlier allows local users to delete arbitrary files via vectors involving a modified input filename in which (1) a final "z" character is replaced by a "t" character or (2) a final "t" character is replaced by a "z" character.
CVSS
- Versión: 2.0
- Vector: AV:L/AC:L/Au:N/C:N/I:P/A:P
- Puntuación base: 3.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.30%
- Percentil entre todas las CVEs puntuadas: 21
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-20, NVD-CWE-noinfo
Referencias
- http://www.openwall.com/lists/oss-security/2008/10/16/3
- http://www.openwall.com/lists/oss-security/2008/11/26/4
- http://www.securityfocus.com/bid/32506
- https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/271020
- http://www.openwall.com/lists/oss-security/2008/10/16/3
- http://www.openwall.com/lists/oss-security/2008/11/26/4
- http://www.securityfocus.com/bid/32506
- https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/271020
JSON original (NVD)
Mostrar
{
"id": "CVE-2008-4640",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.6,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": true,
"impactScore": 4.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2008-10-21T18:00:01.087",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2008/10/16/3",
"source": "cve@mitre.org"
},
{
"url": "http://www.openwall.com/lists/oss-security/2008/11/26/4",
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/bid/32506",
"source": "cve@mitre.org"
},
{
"url": "https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/271020",
"source": "cve@mitre.org"
},
{
"url": "http://www.openwall.com/lists/oss-security/2008/10/16/3",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2008/11/26/4",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/bid/32506",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/271020",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
},
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The DoCommand function in jhead.c in Matthias Wandel jhead 2.84 and earlier allows local users to delete arbitrary files via vectors involving a modified input filename in which (1) a final \"z\" character is replaced by a \"t\" character or (2) a final \"t\" character is replaced by a \"z\" character."
},
{
"lang": "es",
"value": "La función DoCommand de jhead.c en Matthias Wandel jhead v2.84 y anteriores, permite a los usuarios locales eliminar ficheros de su elección a través de vectores que contengan un nombre de fichero de entrada modificado en los que (1) el carácter \"z\" final es reemplazado por un carácter \"t\" o (2) el carácter \"t\" final es reemplazado por un carácter \"z\"."
}
],
"lastModified": "2026-06-16T22:58:13.483",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:sentex:jhead:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3F753BDB-F7EB-4706-ACF8-63A72A79D7B4",
"versionEndIncluding": "2.82"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:1.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C1ABBB65-4E12-4A6D-903D-98E2F524A251"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:1.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4907E5C4-F67D-44BE-802F-65DC337E6164"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:1.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1910C3BD-AD9D-41C4-AD12-29BB696FB1DF"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:1.5:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BB688443-0AEA-4B7D-8491-F686A5D6ACA8"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:1.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F6983872-D290-4DCB-A05C-863662975833"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:1.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EF951111-D7DD-4AF1-AE11-37E57F22A9D8"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:1.8:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "00F2F739-404D-4A1D-8135-0221B8F2F6ED"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:1.9:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A25688F3-F170-4E30-84C4-13F2A65C8330"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D59D8811-EFCE-4C4B-8920-5B769568BE74"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CEB92C55-ABAD-4C88-BAB5-4201E98BE3F5"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "89A00DA7-F005-4A4D-AEA5-78EB278B8597"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "074189B6-AC0D-4E27-B312-14BD471E1C33"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C1111843-76B8-4A0D-8DF8-CAE85E473C00"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.4-1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E21C7CBC-6BD4-45FA-86A8-CCA50BD8F1F8"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.4-2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0A1A62D1-CB92-4E62-8D7F-AF87B113095B"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.5:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "64252DB9-3EBF-4DBA-BE5D-C5C728A66FBA"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E61B2310-98E0-4D3B-83E9-204C04526182"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "329304C6-A227-463A-A6F7-6904335350A9"
},
{
"criteria": "cpe:2.3:a:sentex:jhead:2.8:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "903E52E3-4B82-4814-B901-D199A879AE4F"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}