CVE编号
CVE-2020-13935利用情况
EXP 已公开补丁情况
官方补丁披露时间
2020-07-15漏洞描述
Apache Tomcat是由Apache软件基金会属下Jakarta项目开发的Servlet容器。Tomcat官方于7月份修复了CVE-2020-13935 websocket 拒绝服务漏洞。近日，国外某安全团队公开了相关poc代码，在受影响版本内的Tomcat开启websocket的情况下将会导致拒绝服务。阿里云应急响应中心提醒Tomcat用户尽快采取安全措施阻止漏洞攻击。解决建议
1. 升级至Apache Tomcat至安全版本及其以上。2. 若无特殊需要，关闭Tomcat Websocket功能，删除example下的websocket示例。
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html | |
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html | |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10332 | |
| https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff... | |
| https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f... | |
| https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html | |
| https://security.netapp.com/advisory/ntap-20200724-0003/ | |
| https://usn.ubuntu.com/4448-1/ | |
| https://usn.ubuntu.com/4596-1/ | |
| https://www.debian.org/security/2020/dsa-4727 | |
| https://www.oracle.com//security-alerts/cpujul2021.html | |
| https://www.oracle.com/security-alerts/cpuApr2021.html | |
| https://www.oracle.com/security-alerts/cpujan2021.html | |
| https://www.oracle.com/security-alerts/cpujan2022.html | |
| https://www.oracle.com/security-alerts/cpuoct2020.html | |
| https://www.oracle.com/security-alerts/cpuoct2021.html |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | apache | tomcat | * |
From (including) 7.0.27 |
Up to (including) 7.0.104 |
||||
| 运行在以下环境 | |||||||||
| 应用 | apache | tomcat | * |
From (including) 8.5.0 |
Up to (including) 8.5.56 |
||||
| 运行在以下环境 | |||||||||
| 应用 | apache | tomcat | * |
From (including) 9.0.1 |
Up to (including) 9.0.36 |
||||
| 运行在以下环境 | |||||||||
| 应用 | apache | tomcat | 10.0.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | apache | tomcat | 9.0.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | tomcat8 | * |
Up to (excluding) 7.0.76-15.1.al7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon linux_AMI | tomcat8 | * |
Up to (excluding) 8.5.57-1.85.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | tomcat9 | * |
Up to (excluding) 3.1-api-8.5.57-1.85.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | tomcat8 | * |
Up to (excluding) 9.0.31-1~deb10u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | tomcat8 | * |
Up to (excluding) 8.5.54-0+deb9u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | tomcat8 | * |
Up to (excluding) 9.0.36-lp151.3.27.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | tomcat8 | * |
Up to (excluding) 9.0.36-lp152.2.4.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle linux_7 | tomcat8 | * |
Up to (excluding) 7.0.76-15.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | tomcat9 | * |
Up to (excluding) 7.0.76-15.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | tomcat | * |
Up to (excluding) 0:7.0.76-15.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP5 | tomcat8 | * |
Up to (excluding) 9.0.36-3.45.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | tomcat9 | * |
Up to (excluding) 9.0.36-3.45.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | tomcat9 | * |
Up to (excluding) 8.0.32-1ubuntu1.13 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | tomcat8 | * |
Up to (excluding) 8.0.32-1ubuntu1.13 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | tomcat9 | * |
Up to (excluding) 9.0.31-1ubuntu0.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_20 | tomcat9 | * |
Up to (excluding) 9.0.31-1~deb10u2 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 EXP 已公开
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 DoS
- 全网数量 N/A
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