FKIE_CVE-2016-1247
Vulnerability from fkie_nvd - Published: 2016-11-29 17:59 - Updated: 2026-06-17 00:41
Severity
Summary
The nginx package before 1.6.2-5+deb8u3 on Debian jessie, the nginx packages before 1.4.6-1ubuntu3.6 on Ubuntu 14.04 LTS, before 1.10.0-0ubuntu0.16.04.3 on Ubuntu 16.04 LTS, and before 1.10.1-0ubuntu1.1 on Ubuntu 16.10, and the nginx ebuild before 1.10.2-r3 on Gentoo allow local users with access to the web server user account to gain root privileges via a symlink attack on the error log.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| f5 | nginx | * | |
| canonical | ubuntu_linux | 16.10 | |
| f5 | nginx | * | |
| canonical | ubuntu_linux | 16.04 | |
| f5 | nginx | * | |
| debian | debian_linux | 8.0 | |
| f5 | nginx | * | |
| canonical | ubuntu_linux | 14.04 | |
| fedoraproject | fedora | 33 | |
| fedoraproject | fedora | 34 | |
| fedoraproject | fedora | 35 |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "security@debian.org"
}
],
"configurations": [
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"matchCriteriaId": "7929C98C-B29C-4302-ABB5-EDFAE501771C",
"versionEndIncluding": "1.10.1",
"vulnerable": true
}
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"vulnerable": false
}
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"versionEndIncluding": "1.4.3",
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The nginx package before 1.6.2-5+deb8u3 on Debian jessie, the nginx packages before 1.4.6-1ubuntu3.6 on Ubuntu 14.04 LTS, before 1.10.0-0ubuntu0.16.04.3 on Ubuntu 16.04 LTS, and before 1.10.1-0ubuntu1.1 on Ubuntu 16.10, and the nginx ebuild before 1.10.2-r3 on Gentoo allow local users with access to the web server user account to gain root privileges via a symlink attack on the error log."
},
{
"lang": "es",
"value": "El paquete nginx en versiones anteriores a 1.6.2-5+deb8u3 en Debian jessie, los paquetes nginx en versiones anteriores a 1.4.6-1ubuntu3.6 en Ubuntu 14.04 LTS, en versiones anteriores a 1.10.0-0ubuntu0.16.04.3 en Ubuntu 16.04 LTS y en versiones anteriores a 1.10.1-0ubuntu1.1 en Ubuntu 16.10 y la nginx ebuild en versiones anteriores a 1.10.2-r3 en Gentoo permiten a usuarios locales con acceso a la cuenta de usuario del servidor web obtener privilegios de root a trav\u00e9s de un ataque de enlace simb\u00f3lico en el registro de error."
}
],
"id": "CVE-2016-1247",
"lastModified": "2026-06-17T00:41:32.967",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2016-11-29T17:59:00.167",
"references": [
{
"source": "security@debian.org",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.html"
},
{
"source": "security@debian.org",
"tags": [
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"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2016/Nov/78"
},
{
"source": "security@debian.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2017/Jan/33"
},
{
"source": "security@debian.org",
"tags": [
"Vendor Advisory"
],
"url": "http://www.debian.org/security/2016/dsa-3701"
},
{
"source": "security@debian.org",
"tags": [
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],
"url": "http://www.securityfocus.com/archive/1/539796/100/0/threaded"
},
{
"source": "security@debian.org",
"tags": [
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],
"url": "http://www.securityfocus.com/bid/93903"
},
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"url": "http://www.securitytracker.com/id/1037104"
},
{
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"tags": [
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],
"url": "http://www.ubuntu.com/usn/USN-3114-1"
},
{
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"tags": [
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],
"url": "https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html"
},
{
"source": "security@debian.org",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBIZEKHBOCKO7FUMCO4X53ENMWU5OYFX/"
},
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},
{
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},
{
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"url": "https://security.gentoo.org/glsa/201701-22"
},
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},
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],
"sourceIdentifier": "security@debian.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-59"
}
],
"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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