漏洞信息
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Vulnerability Title
backpack/crud: OS command injection in Stats::makeCurlRequest via attacker-controlled Host header (pre-auth)
Vulnerability Description
backpack/crud provides Create, Read, Update & Delete (CRUD) functions for Backpack, a collection of Laravel packages that help users build custom administration panels. Prior to 4.1.70, 5.6.2, 6.8.13, and 7.0.36, Backpack\CRUD\Stats::makeCurlRequest in src/Stats.php is reached from BackpackServiceProvider::boot() and constructs a shell command with a URL influenced by the HTTP Host header, which it passes to exec() without adequate shell neutralization. An unauthenticated attacker whose malformed Host value reaches PHP can inject operating-system commands when exec() and curl are available and the 1-in-100 random gate is reached. Repeated requests can reach the random gate. Successful exploitation executes commands as the web-server user, exposing environment secrets, files, and reachable services and permitting data modification or service disruption. Common reverse-proxy Host validation and hardened PHP configurations that disable exec() reduce reachability but do not correct the vulnerable construction. This issue is fixed in versions 4.1.70, 5.6.2, 6.8.13, and 7.0.36.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
输入验证不恰当
Vulnerability Title
Backpack for Laravel Backpack 输出处理不当漏洞
Vulnerability Description
Backpack for Laravel Backpack是Backpack for Laravel团队的一个帮助开发者快速构建后台管理界面的开发工具包。 Backpack for Laravel Backpack 4.1.70之前版本、5.0.0至5.6.2之前版本、6.0.0至6.8.13之前版本和7.0.0至7.0.36之前版本存在安全漏洞,该漏洞源于src/Stats.php中的Stats::makeCurlRequest使用受HTTP Host头影响的URL构造shell命令并传递给exec()
CVSS Information
N/A
Vulnerability Type
N/A