CNVD-2018-20078
Vulnerability from cnvd - Published: 2018-09-28
VLAI
Title
Apache HTTP Server拒绝服务漏洞（CNVD-2018-20078）
Description
Apache HTTP Server是美国阿帕奇（Apache）软件基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。
Apache HTTP Server 2.4.17版本至2.4.34版本中存在拒绝服务漏洞，攻击者可通过持续发送较大的SETTINGS帧利用该漏洞在客户端占据连接，服务器线程和CPU时间时造成连接超时失效，导致拒绝服务。
Severity
中
Patch Name
Apache HTTP Server拒绝服务漏洞（CNVD-2018-20078）的补丁
Patch Description
Apache HTTP Server是美国阿帕奇（Apache）软件基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。
Apache HTTP Server 2.4.17版本至2.4.34版本中存在拒绝服务漏洞，攻击者可通过持续发送较大的SETTINGS帧利用该漏洞在客户端占据连接，服务器线程和CPU时间时造成连接超时失效，导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description
厂商已发布了漏洞修复程序，请及时关注更新： https://httpd.apache.org/security/vulnerabilities_24.html
Reference
https://httpd.apache.org/security/vulnerabilities_24.html
Impacted products
| Name | Apache HTTP Server >=2.4.17，<=2.4.34 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2018-11763"
}
},
"description": "Apache HTTP Server\u662f\u7f8e\u56fd\u963f\u5e15\u5947\uff08Apache\uff09\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90\u7f51\u9875\u670d\u52a1\u5668\u3002\u8be5\u670d\u52a1\u5668\u5177\u6709\u5feb\u901f\u3001\u53ef\u9760\u4e14\u53ef\u901a\u8fc7\u7b80\u5355\u7684API\u8fdb\u884c\u6269\u5145\u7684\u7279\u70b9\u3002\r\n\r\nApache HTTP Server 2.4.17\u7248\u672c\u81f32.4.34\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6301\u7eed\u53d1\u9001\u8f83\u5927\u7684SETTINGS\u5e27\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5ba2\u6237\u7aef\u5360\u636e\u8fde\u63a5\uff0c\u670d\u52a1\u5668\u7ebf\u7a0b\u548cCPU\u65f6\u95f4\u65f6\u9020\u6210\u8fde\u63a5\u8d85\u65f6\u5931\u6548\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
"discovererName": "Gal Goldshtein",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://httpd.apache.org/security/vulnerabilities_24.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2018-20078",
"openTime": "2018-09-28",
"patchDescription": "Apache HTTP Server\u662f\u7f8e\u56fd\u963f\u5e15\u5947\uff08Apache\uff09\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90\u7f51\u9875\u670d\u52a1\u5668\u3002\u8be5\u670d\u52a1\u5668\u5177\u6709\u5feb\u901f\u3001\u53ef\u9760\u4e14\u53ef\u901a\u8fc7\u7b80\u5355\u7684API\u8fdb\u884c\u6269\u5145\u7684\u7279\u70b9\u3002\r\n\r\nApache HTTP Server 2.4.17\u7248\u672c\u81f32.4.34\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6301\u7eed\u53d1\u9001\u8f83\u5927\u7684SETTINGS\u5e27\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5ba2\u6237\u7aef\u5360\u636e\u8fde\u63a5\uff0c\u670d\u52a1\u5668\u7ebf\u7a0b\u548cCPU\u65f6\u95f4\u65f6\u9020\u6210\u8fde\u63a5\u8d85\u65f6\u5931\u6548\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
"patchName": "Apache HTTP Server\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-20078\uff09\u7684\u8865\u4e01",
"products": {
"product": "Apache HTTP Server \u003e=2.4.17\uff0c\u003c=2.4.34"
},
"referenceLink": "https://httpd.apache.org/security/vulnerabilities_24.html",
"serverity": "\u4e2d",
"submitTime": "2018-09-27",
"title": "Apache HTTP Server\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-20078\uff09"
}
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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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