fkie_cve-2016-8740
Vulnerability from fkie_nvd
Published
2016-12-05 19:59
Modified
2025-04-12 10:46
Severity ?
Summary
The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| apache | http_server | 2.4.17 | |
| apache | http_server | 2.4.18 | |
| apache | http_server | 2.4.19 | |
| apache | http_server | 2.4.20 | |
| apache | http_server | 2.4.21 | |
| apache | http_server | 2.4.22 | |
| apache | http_server | 2.4.23 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*",
"matchCriteriaId": "E1F45B27-504B-4202-87B8-BD3B094003F1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*",
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},
{
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},
{
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"vulnerable": true
},
{
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},
{
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"matchCriteriaId": "DE5A73E5-1A04-420B-92B2-B90FD970005C",
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},
{
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}
],
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"operator": "OR"
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}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request."
},
{
"lang": "es",
"value": "El m\u00f3dulo mod_http2 en el Apache HTTP Server 2.4.17 hasta la versi\u00f3n 2.4.23, cuando la configuraci\u00f3n Protocols incluye h2 o h2c, no restringe la longitud de la cabecera de petici\u00f3n, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) a trav\u00e9s de marcos CONTINUATION manipulados en una petici\u00f3n HTTP/2."
}
],
"id": "CVE-2016-8740",
"lastModified": "2025-04-12T10:46:40.837",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
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}
]
},
"published": "2016-12-05T19:59:00.250",
"references": [
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"tags": [
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"url": "http://packetstormsecurity.com/files/140023/Apache-HTTPD-Web-Server-2.4.23-Memory-Exhaustion.html"
},
{
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"url": "http://rhn.redhat.com/errata/RHSA-2017-1415.html"
},
{
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},
{
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"url": "https://security.gentoo.org/glsa/201701-36"
},
{
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"url": "https://security.netapp.com/advisory/ntap-20180423-0001/"
},
{
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"url": "https://support.apple.com/HT208221"
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],
"sourceIdentifier": "security@apache.org",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
},
{
"lang": "en",
"value": "CWE-399"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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