CVE-2008-4977
Estado: ModificadaMedia (6.9)—
postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, and (3) /tmp/postfix_groups.message temporary files. NOTE: the vendor disputes this vulnerability, stating "This is not a real issue ... users would have to edit a script under /usr/lib to enable it.
CVSS
- Versión: 2.0
- Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
- Puntuación base: 6.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.37%
- Percentil entre todas las CVEs puntuadas: 29
- Fecha de la puntuación: 5/10/2026
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-59
Referencias
- http://bugs.debian.org/496401
- http://dev.gentoo.org/~rbu/security/debiantemp/postfix
- http://www.openwall.com/lists/oss-security/2008/10/30/2
- https://bugs.gentoo.org/show_bug.cgi?id=235770
- https://bugs.gentoo.org/show_bug.cgi?id=235811
- http://bugs.debian.org/496401
- http://dev.gentoo.org/~rbu/security/debiantemp/postfix
- http://www.openwall.com/lists/oss-security/2008/10/30/2
- https://bugs.gentoo.org/show_bug.cgi?id=235770
- https://bugs.gentoo.org/show_bug.cgi?id=235811
JSON original (NVD)
Mostrar
{
"id": "CVE-2008-4977",
"cveTags": [
{
"tags": [
"disputed"
],
"sourceIdentifier": "cve@mitre.org"
}
],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.9,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.4,
"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": "2008-11-06T15:55:52.103",
"references": [
{
"url": "http://bugs.debian.org/496401",
"source": "cve@mitre.org"
},
{
"url": "http://dev.gentoo.org/~rbu/security/debiantemp/postfix",
"tags": [
"Exploit"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.openwall.com/lists/oss-security/2008/10/30/2",
"source": "cve@mitre.org"
},
{
"url": "https://bugs.gentoo.org/show_bug.cgi?id=235770",
"source": "cve@mitre.org"
},
{
"url": "https://bugs.gentoo.org/show_bug.cgi?id=235811",
"source": "cve@mitre.org"
},
{
"url": "http://bugs.debian.org/496401",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://dev.gentoo.org/~rbu/security/debiantemp/postfix",
"tags": [
"Exploit"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2008/10/30/2",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugs.gentoo.org/show_bug.cgi?id=235770",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugs.gentoo.org/show_bug.cgi?id=235811",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-59"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, and (3) /tmp/postfix_groups.message temporary files. NOTE: the vendor disputes this vulnerability, stating \"This is not a real issue ... users would have to edit a script under /usr/lib to enable it."
},
{
"lang": "es",
"value": "** CUESTIONADA ** postfix_groups.pl en Postfix v2.5.2 permite a usuarios locales sobrescribir ficheros a su elección a través de un ataque de enlace simulado en los ficheros temporales (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, y (3) /tmp/postfix_groups.message. NOTA: El vendedor ha impugnado esta vulnerabilidad, argumentando que \"Este no es un problema real...los usuarios deberían realizar una secuencia de comandos bajo /usr/lib para poder hacerlo\"."
}
],
"lastModified": "2026-06-16T22:58:52.523",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:postfix:postfix:2.5.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A1DE90BD-B5F9-4762-B086-130AB04F3CB0"
}
],
"operator": "OR"
}
]
}
],
"vendorComments": [
{
"comment": "Not vulnerable. This issue did not affect the versions of postfix as shipped with Red Hat Enterprise Linux 3, 4, or 5. Mentioned script is not part of the official postfix distribution and is not included in Red Hat Enterprise Linux postfix packages.",
"lastModified": "2008-11-06T00:00:00",
"organization": "Red Hat"
}
],
"sourceIdentifier": "cve@mitre.org"
}