CVE-2015-7849 (GCVE-0-2015-7849)
Vulnerability from cvelistv5 – Published: 2017-08-07 20:00 – Updated: 2024-08-06 07:59
VLAI
EPSS
VEX
Summary
Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.
Severity
8.8 (High)
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1274257 | x_refsource_CONFIRM |
| http://support.ntp.org/bin/view/Main/NtpBug2916 | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1033951 | vdb-entryx_refsource_SECTRACK |
| http://www.securityfocus.com/bid/77276 | vdb-entryx_refsource_BID |
| https://security.gentoo.org/glsa/201607-15 | vendor-advisoryx_refsource_GENTOO |
| https://security.netapp.com/advisory/ntap-2017100… | x_refsource_CONFIRM |
Date Public
2015-10-21 00:00
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"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*",
"matchCriteriaId": "466D9A37-2658-4695-9429-0C6BF4A631C2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*",
"matchCriteriaId": "99774181-5F12-446C-AC2C-DB1C52295EED",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*",
"matchCriteriaId": "4427EE6D-3F79-4FF5-B3EC-EE6BD01562CE",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:netapp:oncommand_balance:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7DCBCC5D-C396-47A8-ADF4-D3A2C4377FB1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:*",
"matchCriteriaId": "212E1878-1B9A-4CB4-A1CE-EAD60B867161",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:clustered_data_ontap:*:*",
"matchCriteriaId": "95B173E0-1475-4F8D-A982-86F36BE3DD4A",
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"criteria": "cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*",
"matchCriteriaId": "1FED6CAE-D97F-49E0-9D00-1642A3A427B4",
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"criteria": "cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:7-mode:*:*",
"matchCriteriaId": "392A1364-2739-450D-9E19-DFF93081C2C6",
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}
],
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets."
},
{
"lang": "es",
"value": "Una vulnerabilidad use-after-free en ntpd en NTP 4.2.x en versiones anteriores a la 4.2.8p4, y 4.3.x en versiones anteriores a la 4.3.77 permite que atacantes remotos autenticados tengan la posibilidad de ejecutar c\u00f3digo arbitrario o provocar una denegaci\u00f3n de servicio utilizando paquetes manipulados."
}
],
"id": "CVE-2015-7849",
"lastModified": "2026-05-13T00:24:29.033",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2017-08-07T20:29:00.777",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://support.ntp.org/bin/view/Main/NtpBug2916"
},
{
"source": "cve@mitre.org",
"tags": [
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"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/77276"
},
{
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"VDB Entry"
],
"url": "http://www.securitytracker.com/id/1033951"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Third Party Advisory",
"VDB Entry"
],
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},
{
"source": "cve@mitre.org",
"tags": [
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"VDB Entry"
],
"url": "https://security.gentoo.org/glsa/201607-15"
},
{
"source": "cve@mitre.org",
"tags": [
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],
"url": "https://security.netapp.com/advisory/ntap-20171004-0001/"
},
{
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"tags": [
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],
"url": "http://support.ntp.org/bin/view/Main/NtpBug2916"
},
{
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"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/77276"
},
{
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],
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1274257"
},
{
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"tags": [
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],
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://security.netapp.com/advisory/ntap-20171004-0001/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
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]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-05-13T01:45:22+00:00",
"cve": "CVE-2015-7849",
"id": "CVE-2015-7849",
"initial_release_date": "2015-10-21T00:00:00+00:00",
"product_status:known_not_affected": "12",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "ntp: trusted keys memory corruption vulnerability",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-7849.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-04T01:07:39Z",
"cve": "CVE-2015-7849",
"id": "CVE-2015-7849",
"initial_release_date": "2023-02-15T05:13:12Z",
"product_status:known_affected": "1",
"product_status:known_not_affected": "42",
"product_status:recommended": "118",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2015-7849",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-7849.json",
"version": "14"
}
}
}
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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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