keybase keybase 对路径名的限制不恰当（路径遍历）

CVE编号

CVE-2021-34422

利用情况

暂无

补丁情况

N/A

披露时间

2021-11-12

漏洞描述

The Keybase Client for Windows before version 5.7.0 contains a path traversal vulnerability when checking the name of a file uploaded to a team folder. A malicious user could upload a file to a shared folder with a specially crafted file name which could allow a user to execute an application which was not intended on their host machine. If a malicious user leveraged this issue with the public folder sharing feature of the Keybase client, this could lead to remote code execution.

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
https://explore.zoom.us/en/trust/security/security-bulletin

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	keybase	keybase	*		Up to (excluding) 5.7.0

CVSS3评分 9.0

• 攻击路径 网络
• 攻击复杂度 低
• 权限要求 低
• 影响范围 已更改
• 用户交互 需要
• 可用性 高
• 保密性 高
• 完整性 高

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H CWE-ID 漏洞类型 CWE-22 对路径名的限制不恰当（路径遍历）