nextcloud nextcloud 缺省权限不正确

CVE编号

CVE-2021-41166

利用情况

暂无

补丁情况

N/A

披露时间

2022-01-27

漏洞描述

The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required `MANAGE_DOCUMENTS` permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.

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://github.com/nextcloud/android/commit/aa47197109970b8449c4e44601eba36e3481b086
https://github.com/nextcloud/android/commit/b6ecf515b38c2d82d32743f27236534f3e03ee0c
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wrw...
https://hackerone.com/reports/1358597

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	nextcloud	nextcloud	*		Up to (excluding) 3.17.1

CVSS3评分 5.3

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE-ID	漏洞类型
CWE-276	缺省权限不正确

Exp相关链接

- avd.aliyun.com