github enterprise_server 不当限制渲染ui层或帧

CVE编号

CVE-2021-22866

利用情况

暂无

补丁情况

N/A

披露时间

2021-05-15

漏洞描述

A UI misrepresentation vulnerability was identified in GitHub Enterprise Server that allowed more permissions to be granted during a GitHub App's user-authorization web flow than was displayed to the user during approval. To exploit this vulnerability, an attacker would need to create a GitHub App on the instance and have a user authorize the application through the web authentication flow. All permissions being granted would properly be shown during the first authorization, but in certain circumstances, if the user revisits the authorization flow after the GitHub App has configured additional user-level permissions, those additional permissions may not be shown, leading to more permissions being granted than the user potentially intended. This vulnerability affected GitHub Enterprise Server 3.0.x prior to 3.0.7 and 2.22.x prior to 2.22.13. It was fixed in versions 3.0.7 and 2.22.13. This vulnerability was reported via the GitHub Bug Bounty program.

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://docs.github.com/en/[email protected]/admin/release-notes#2.22.13
https://docs.github.com/en/[email protected]/admin/release-notes#3.0.7

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	github	enterprise_server	*	From (including) 2.20.0	Up to (excluding) 2.22.13
	运行在以下环境
	应用	github	enterprise_server	*	From (including) 3.0.0	Up to (excluding) 3.0.7

CVSS3评分 8.8

• 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 需要
• 可用性 高
• 保密性 高
• 完整性 高

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CWE-ID 漏洞类型 CWE-1021 不当限制渲染UI层或帧