cnvd-2020-46230
Vulnerability from cnvd
Title: Apache Tomcat拒绝服务漏洞（CNVD-2020-46230）
Description:
Apache Tomcat是美国阿帕奇（Apache）软件基金会的一款轻量级Web应用服务器。该程序实现了对Servlet和JavaServer Page（JSP）的支持。
Apache Tomcat中的WebSocket存在安全漏洞，该漏洞源于程序没有正确验证payload的长度。攻击者可利用该漏洞造成拒绝服务（无限循环）。
Severity: 中
Patch Name: Apache Tomcat拒绝服务漏洞（CNVD-2020-46230）的补丁
Patch Description:
Apache Tomcat是美国阿帕奇（Apache）软件基金会的一款轻量级Web应用服务器。该程序实现了对Servlet和JavaServer Page（JSP）的支持。
Apache Tomcat中的WebSocket存在安全漏洞，该漏洞源于程序没有正确验证payload的长度。攻击者可利用该漏洞造成拒绝服务（无限循环）。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:
目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E
Reference: https://www.debian.org/security/2020/dsa-4727
Impacted products
| Name | ['Apache Tomcat >=10.0.0-M1，<=10.0.0-M6', 'Apache Tomcat >=9.0.0.M1，<=9.0.36', 'Apache Tomcat >=8.5.0，<=8.5.56', 'Apache Tomcat >=7.0.27，<=7.0.104'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2020-13935",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-13935"
}
},
"description": "Apache Tomcat\u662f\u7f8e\u56fd\u963f\u5e15\u5947\uff08Apache\uff09\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7Web\u5e94\u7528\u670d\u52a1\u5668\u3002\u8be5\u7a0b\u5e8f\u5b9e\u73b0\u4e86\u5bf9Servlet\u548cJavaServer Page\uff08JSP\uff09\u7684\u652f\u6301\u3002\n\nApache Tomcat\u4e2d\u7684WebSocket\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u6b63\u786e\u9a8c\u8bc1payload\u7684\u957f\u5ea6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\u3002",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2020-46230",
"openTime": "2020-08-15",
"patchDescription": "Apache Tomcat\u662f\u7f8e\u56fd\u963f\u5e15\u5947\uff08Apache\uff09\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7Web\u5e94\u7528\u670d\u52a1\u5668\u3002\u8be5\u7a0b\u5e8f\u5b9e\u73b0\u4e86\u5bf9Servlet\u548cJavaServer Page\uff08JSP\uff09\u7684\u652f\u6301\u3002\r\n\r\nApache Tomcat\u4e2d\u7684WebSocket\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u6b63\u786e\u9a8c\u8bc1payload\u7684\u957f\u5ea6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\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 Tomcat\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2020-46230\uff09\u7684\u8865\u4e01",
"products": {
"product": [
"Apache Tomcat \u003e=10.0.0-M1\uff0c\u003c=10.0.0-M6",
"Apache Tomcat \u003e=9.0.0.M1\uff0c\u003c=9.0.36",
"Apache Tomcat \u003e=8.5.0\uff0c\u003c=8.5.56",
"Apache Tomcat \u003e=7.0.27\uff0c\u003c=7.0.104"
]
},
"referenceLink": "https://www.debian.org/security/2020/dsa-4727",
"serverity": "\u4e2d",
"submitTime": "2020-07-22",
"title": "Apache Tomcat\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2020-46230\uff09"
}
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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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