CVE-2014-3956 (GCVE-0-2014-3956)
Vulnerability from cvelistv5 – Published: 2014-06-04 10:00 – Updated: 2024-08-06 10:57
VLAI
EPSS
VEX
Summary
The sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the wrong order, and consequently skips setting expected FD_CLOEXEC flags, which allows local users to access unintended high-numbered file descriptors via a custom mail-delivery program.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
17 references
Date Public
2014-05-21 00:00
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"criteria": "cpe:2.3:a:sendmail:sendmail:8.12.6:*:*:*:*:*:*:*",
"matchCriteriaId": "6FEB3923-8F4B-4523-84F9-17D1CFA37F8C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.12.7:*:*:*:*:*:*:*",
"matchCriteriaId": "58CD19B4-4BFD-4DE8-B21F-6B6CDE6793C5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.12.8:*:*:*:*:*:*:*",
"matchCriteriaId": "7B82BBB7-CD72-4A33-97D4-B1E51A595323",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.12.9:*:*:*:*:*:*:*",
"matchCriteriaId": "6C1D6A40-5DD1-481C-AF85-85705FCE3680",
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},
{
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"matchCriteriaId": "DC7125C4-64AF-4A3B-BBD6-1A56660A2D90",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.12.11:*:*:*:*:*:*:*",
"matchCriteriaId": "83AE5BA5-09FF-4AF8-B4E8-4D372A208E2B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.13.0:*:*:*:*:*:*:*",
"matchCriteriaId": "B4E0D099-C149-4923-A06C-200A23CEA943",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.13.1:*:*:*:*:*:*:*",
"matchCriteriaId": "01B75BCD-9187-4DB0-903D-5F73429AEE78",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.13.2:*:*:*:*:*:*:*",
"matchCriteriaId": "F7DB5E2A-0E79-45DF-BD85-FD216A970771",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.13.3:*:*:*:*:*:*:*",
"matchCriteriaId": "D20FAC60-445E-4847-B5DE-8ACDDA55E1CA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.13.4:*:*:*:*:*:*:*",
"matchCriteriaId": "9962F81C-A08C-4F8E-A07C-4F4B5C441EA5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.13.5:*:*:*:*:*:*:*",
"matchCriteriaId": "A38C234D-EF75-4A96-A0FD-E1DDDADAC1BC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.13.6:*:*:*:*:*:*:*",
"matchCriteriaId": "ADED21E7-6DBC-4846-BF52-FE11A3D8A361",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.13.7:*:*:*:*:*:*:*",
"matchCriteriaId": "CD501A5A-E602-4847-8178-E9CC289AD41C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.13.8:*:*:*:*:*:*:*",
"matchCriteriaId": "F08976CF-8F2A-449C-B3FA-E1F8EF412159",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.14.0:*:*:*:*:*:*:*",
"matchCriteriaId": "AE65E183-EEC2-48B7-A82E-F8363EB643EF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.14.1:*:*:*:*:*:*:*",
"matchCriteriaId": "4AB6F10A-3852-40FB-B91B-6E194E09BCEC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.14.2:*:*:*:*:*:*:*",
"matchCriteriaId": "907E2087-95B8-4A4A-96DC-717D7B17CA82",
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},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.14.3:*:*:*:*:*:*:*",
"matchCriteriaId": "BA6C7CBC-44B0-494C-8F75-150EB2BCA4E0",
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},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.14.4:*:*:*:*:*:*:*",
"matchCriteriaId": "C648B8B8-735D-4A99-A8FF-6CC015EA6DA8",
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},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.14.5:*:*:*:*:*:*:*",
"matchCriteriaId": "53592C7D-545D-4E3A-B585-530D6C1CF2FC",
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},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.14.6:*:*:*:*:*:*:*",
"matchCriteriaId": "13A9F448-4D14-4631-8523-5FE58D13858E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sendmail:sendmail:8.14.7:*:*:*:*:*:*:*",
"matchCriteriaId": "770F46D9-E1D5-4271-B5F7-0E67DA78156A",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the wrong order, and consequently skips setting expected FD_CLOEXEC flags, which allows local users to access unintended high-numbered file descriptors via a custom mail-delivery program."
},
{
"lang": "es",
"value": "La funci\u00f3n sm_close_on_exec en conf.c en sendmail anterior a 8.14.9 tiene argumentos en el orden err\u00f3neo, y como consecuencia evade configurar etiquetas FD_CLOEXEC esperadas, lo que permite a usuarios locales acceder a descriptores de archivos de n\u00famero alto no intencionados a trav\u00e9s de un programa de entrega de correo personalizado."
}
],
"id": "CVE-2014-3956",
"lastModified": "2026-06-17T00:09:12.180",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 1.9,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2014-06-04T11:19:13.890",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "ftp://ftp.sendmail.org/pub/sendmail/RELEASE_NOTES"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://advisories.mageia.org/MGASA-2014-0270.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134349.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-updates/2014-06/msg00032.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-updates/2014-06/msg00033.html"
},
{
"source": "cve@mitre.org",
"tags": [
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"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/126975/Slackware-Security-Advisory-sendmail-Updates.html"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/57455"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/58628"
},
{
"source": "cve@mitre.org",
"url": "http://security.gentoo.org/glsa/glsa-201412-32.xml"
},
{
"source": "cve@mitre.org",
"url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-14%3A11.sendmail.asc"
},
{
"source": "cve@mitre.org",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:147"
},
{
"source": "cve@mitre.org",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:128"
},
{
"source": "cve@mitre.org",
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],
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},
{
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"tags": [
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],
"url": "http://www.securitytracker.com/id/1030331"
},
{
"source": "cve@mitre.org",
"tags": [
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"Vendor Advisory"
],
"url": "http://www.sendmail.com/sm/open_source/download/8.14.9/"
},
{
"source": "cve@mitre.org",
"url": "http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2014\u0026m=slackware-security.728644"
},
{
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"tags": [
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],
"url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05216368"
},
{
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"tags": [
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],
"url": "ftp://ftp.sendmail.org/pub/sendmail/RELEASE_NOTES"
},
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"tags": [
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],
"url": "http://advisories.mageia.org/MGASA-2014-0270.html"
},
{
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},
{
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},
{
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"url": "http://lists.opensuse.org/opensuse-updates/2014-06/msg00033.html"
},
{
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"tags": [
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],
"url": "http://packetstormsecurity.com/files/126975/Slackware-Security-Advisory-sendmail-Updates.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/57455"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/58628"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-201412-32.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-14%3A11.sendmail.asc"
},
{
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"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:147"
},
{
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"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:128"
},
{
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"tags": [
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"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/67791"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securitytracker.com/id/1030331"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://www.sendmail.com/sm/open_source/download/8.14.9/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2014\u0026m=slackware-security.728644"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05216368"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2025-11-21T12:31:55+00:00",
"cve": "CVE-2014-3956",
"id": "CVE-2014-3956",
"initial_release_date": "2014-05-21T00:00:00+00:00",
"product_status:known_affected": "13",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "sendmail: Properly set the close-on-exec flag for file descriptors",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-3956.json",
"version": "3"
}
}
}
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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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