CVE编号
CVE-2021-41524利用情况
暂无补丁情况
官方补丁披露时间
2021-10-09漏洞描述
Apache HTTP Server是美国阿帕奇(Apache)基金会的一款开源网页服务器。Apache HTTP Server 2.4.49版本存在代码问题漏洞,该漏洞源于在HTTP/2请求处理期间检测到新的空指针解引用,从而允许外部源对服务器进行拒绝服务攻击。解决建议
目前厂商已发布升级补丁以修复漏洞,补丁获取链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ
参考链接 |
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http://www.openwall.com/lists/oss-security/2021/10/05/1 | |
https://httpd.apache.org/security/vulnerabilities_24.html | |
https://lists.fedoraproject.org/archives/list/[email protected]... | |
https://lists.fedoraproject.org/archives/list/[email protected]... | |
https://security.netapp.com/advisory/ntap-20211029-0009/ | |
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s... | |
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s... | |
https://www.auscert.org.au/bulletins/ESB-2021.3296 | |
https://www.oracle.com/security-alerts/cpujan2022.html |
受影响软件情况
# | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
1 | |||||||||
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运行在以下环境 | |||||||||
应用 | apache | http_server | 2.4.49 | - | |||||
运行在以下环境 | |||||||||
系统 | alpine_3.11 | httpd | * |
Up to (excluding) 2.4.50-r0 |
|||||
运行在以下环境 | |||||||||
系统 | alpine_3.12 | httpd | * |
Up to (excluding) 2.4.50-r0 |
|||||
运行在以下环境 | |||||||||
系统 | alpine_3.13 | httpd | * |
Up to (excluding) 2.4.50-r0 |
|||||
运行在以下环境 | |||||||||
系统 | alpine_3.14 | httpd | * |
Up to (excluding) 2.4.50-r0 |
|||||
运行在以下环境 | |||||||||
系统 | alpine_3.15 | httpd | * |
Up to (excluding) 2.4.50-r0 |
|||||
运行在以下环境 | |||||||||
系统 | alpine_edge | httpd | * |
Up to (excluding) 2.4.50-r0 |
|||||
运行在以下环境 | |||||||||
系统 | amazon_2 | httpd | * |
Up to (excluding) 2.4.51-1.amzn2 |
|||||
运行在以下环境 | |||||||||
系统 | amazon_AMI | httpd | * |
Up to (excluding) 2.4.51-1.94.amzn1 |
|||||
运行在以下环境 | |||||||||
系统 | fedora_33 | httpd | * |
Up to (excluding) 2.4.50-1.fc33 |
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运行在以下环境 | |||||||||
系统 | fedora_34 | httpd | * |
Up to (excluding) 2.4.50-1.fc34 |
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运行在以下环境 | |||||||||
系统 | fedora_35 | httpd | * |
Up to (excluding) 2.4.50-1.fc35 |
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- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
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