CVE编号
CVE-2021-41773利用情况
漏洞武器化补丁情况
官方补丁披露时间
2021-10-06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。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 2.4.49版本存在路径遍历漏洞，攻击者可利用该漏洞使用路径遍历攻击将URL映射到预期文档根以外的文件。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 |
|
|---|---|
| http://packetstormsecurity.com/files/164418/Apache-HTTP-Server-2.4.49-Path-Tr... | |
| http://packetstormsecurity.com/files/164418/Apache-HTTP-Server-2.4.49-Path-Tr... | |
| http://packetstormsecurity.com/files/164629/Apache-2.4.49-2.4.50-Traversal-Re... | |
| http://packetstormsecurity.com/files/164941/Apache-HTTP-Server-2.4.50-Remote-... | |
| http://www.openwall.com/lists/oss-security/2021/10/05/2 | |
| http://www.openwall.com/lists/oss-security/2021/10/07/1 | |
| http://www.openwall.com/lists/oss-security/2021/10/07/6 | |
| http://www.openwall.com/lists/oss-security/2021/10/08/1 | |
| http://www.openwall.com/lists/oss-security/2021/10/08/2 | |
| http://www.openwall.com/lists/oss-security/2021/10/08/3 | |
| http://www.openwall.com/lists/oss-security/2021/10/08/4 | |
| http://www.openwall.com/lists/oss-security/2021/10/08/5 | |
| http://www.openwall.com/lists/oss-security/2021/10/08/6 | |
| http://www.openwall.com/lists/oss-security/2021/10/09/1 | |
| http://www.openwall.com/lists/oss-security/2021/10/11/4 | |
| http://www.openwall.com/lists/oss-security/2021/10/15/3 | |
| http://www.openwall.com/lists/oss-security/2021/10/16/1 | |
| https://help.aliyun.com/noticelist/articleid/1060919610.html | |
| https://httpd.apache.org/security/vulnerabilities_24.html | |
| https://lists.apache.org/thread.html/r17a4c6ce9aff662efd9459e9d1850ab4a611cb2... | |
| https://lists.apache.org/thread.html/r6abf5f2ba6f1aa8b1030f95367aaf17660c4e4c... | |
| https://lists.apache.org/thread.html/r7c795cd45a3384d4d27e57618a215b0ed19cb6c... | |
| https://lists.apache.org/thread.html/r98d704ed4377ed889d40479db79ed1ee2f43b2e... | |
| https://lists.apache.org/thread.html/rb5b0e46f179f60b0c70204656bc52fcb558e961... | |
| 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://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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 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_34 | httpd | * |
Up to (excluding) 2.4.51-1.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | httpd | * |
Up to (excluding) 2.4.51-2.fc35 |
|||||
- 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 全局影响
- EXP成熟度 漏洞武器化
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 服务器失陷
- 全网数量 100000+
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