漏洞信息
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Vulnerability Title
Froxlor has privilege escalation in SSH key synchronization via symlinked `authorized_keys` path
Vulnerability Description
Froxlor is open source server administration software. Version 2.3.6 contains a symlink-following flaw in the root-owned SSH key synchronization path used for customer FTP users. The provisioning code appends public keys to `~/.ssh/authorized_keys` under a customer-controlled home directory without verifying that the target path is not a symbolic link. If an attacker controls a shell-enabled customer account and can modify files inside the assigned home directory, the attacker can replace `~/.ssh/authorized_keys` with a symlink to `/root/.ssh/authorized_keys`. When Froxlor's privileged cron task later synchronizes SSH keys, it appends the attacker-supplied key into root's authorized key file, resulting in root SSH access. Version 2.3.7 contains a patch.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Vulnerability Title
Froxlor 后置链接漏洞
Vulnerability Description
Froxlor是Froxlor团队的一套轻量级服务器管理软件。 Froxlor 2.3.6版本存在后置链接漏洞,该漏洞源于SSH密钥同步路径中存在符号链接跟随缺陷,可能导致root SSH访问。
CVSS Information
N/A
Vulnerability Type
N/A