FKIE_CVE-2008-2936
Vulnerability from fkie_nvd - Published: 2008-08-18 19:41 - Updated: 2026-06-16 22:54
Severity
Summary
Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| postfix | postfix | 2.3.0 | |
| postfix | postfix | 2.3.1 | |
| postfix | postfix | 2.3.2 | |
| postfix | postfix | 2.3.3 | |
| postfix | postfix | 2.3.4 | |
| postfix | postfix | 2.3.5 | |
| postfix | postfix | 2.3.6 | |
| postfix | postfix | 2.3.7 | |
| postfix | postfix | 2.3.8 | |
| postfix | postfix | 2.3.9 | |
| postfix | postfix | 2.3.10 | |
| postfix | postfix | 2.3.11 | |
| postfix | postfix | 2.3.12 | |
| postfix | postfix | 2.3.13 | |
| postfix | postfix | 2.3.14 | |
| postfix | postfix | 2.4.0 | |
| postfix | postfix | 2.4.1 | |
| postfix | postfix | 2.4.2 | |
| postfix | postfix | 2.4.3 | |
| postfix | postfix | 2.4.4 | |
| postfix | postfix | 2.4.5 | |
| postfix | postfix | 2.4.6 | |
| postfix | postfix | 2.4.7 | |
| postfix | postfix | 2.5.0 | |
| postfix | postfix | 2.5.1 | |
| postfix | postfix | 2.5.2 | |
| postfix | postfix | 2.5.3 | |
| postfix | postfix | 2.6.0 |
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"source": "secalert@redhat.com"
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script."
},
{
"lang": "es",
"value": "Postfix antes de 2.3.15, 2.4 anterior a 2.4.8, 2.5 anterior a 2.5.4 y 2.6 antes de 2.6-20080814, cuando el sistema operativo admite enlaces duros (hard links) a enlaces simb\u00f3licos, permite a usuarios locales a\u00f1adir mensajes de correo a un archivo al que apunta un enlace simb\u00f3lico propiedad de root, creando un enlace duro a este enlace simb\u00f3lico y enviando un mensaje despu\u00e9s. NOTA: esto puede ser utilizado para obtener privilegios si hay un enlace simb\u00f3lico a un script init."
}
],
"evaluatorComment": "Please refer to the following links for additional version information (vendor release notes):\r\n\r\n\r\nPostfix 2.3 - ftp://mirrors.loonybin.net/pub/postfix/official/postfix-2.3.15.RELEASE_NOTES\r\n\r\nPostfix 2.4 - ftp://mirrors.loonybin.net/pub/postfix/official/postfix-2.4.8.RELEASE_NOTES\r\n\r\nPostfix 2.5 - ftp://mirrors.loonybin.net/pub/postfix/official/postfix-2.5.4.RELEASE_NOTES\r\n\r\nPostfix 2.6 - ftp://mirrors.loonybin.net/pub/postfix/experimental/postfix-2.6-20080814.RELEASE_NOTES",
"id": "CVE-2008-2936",
"lastModified": "2026-06-16T22:54:46.217",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 1.9,
"impactScore": 10.0,
"obtainAllPrivilege": true,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2008-08-18T19:41:00.000",
"references": [
{
"source": "secalert@redhat.com",
"url": "ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-2.6-20080814.HISTORY"
},
{
"source": "secalert@redhat.com",
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},
{
"source": "secalert@redhat.com",
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},
{
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{
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},
{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/31469"
},
{
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"url": "http://secunia.com/advisories/31474"
},
{
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{
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"tags": [
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},
{
"source": "secalert@redhat.com",
"tags": [
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],
"url": "http://secunia.com/advisories/31500"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/31530"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/32231"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-200808-12.xml"
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{
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"url": "http://securityreason.com/securityalert/4160"
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"url": "http://wiki.rpath.com/Advisories:rPSA-2008-0259"
},
{
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"url": "http://www.debian.org/security/2008/dsa-1629"
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{
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"tags": [
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{
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{
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{
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{
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"url": "http://www.securityfocus.com/archive/1/495882/100/0/threaded"
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"tags": [
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{
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},
{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44460"
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{
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"url": "https://issues.rpath.com/browse/RPL-2689"
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},
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{
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{
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"url": "http://www.vupen.com/english/advisories/2008/2385"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44460"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://issues.rpath.com/browse/RPL-2689"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10033"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://usn.ubuntu.com/636-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.exploit-db.com/exploits/6337"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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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.
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