cisco confd 特权管理不恰当

CVE编号

CVE-2021-1572

利用情况

暂无

补丁情况

N/A

披露时间

2021-08-05

漏洞描述

A vulnerability in ConfD could allow an authenticated, local attacker to execute arbitrary commands at the level of the account under which ConfD is running, which is commonly root. To exploit this vulnerability, an attacker must have a valid account on an affected device. The vulnerability exists because the affected software incorrectly runs the SFTP user service at the privilege level of the account that was running when the ConfD built-in Secure Shell (SSH) server for CLI was enabled. If the ConfD built-in SSH server was not enabled, the device is not affected by this vulnerability. An attacker with low-level privileges could exploit this vulnerability by authenticating to an affected device and issuing a series of commands at the SFTP interface. A successful exploit could allow the attacker to elevate privileges to the level of the account under which ConfD is running, which is commonly root. Note: Any user who can authenticate to the built-in SSH server may exploit this vulnerability. By default, all ConfD users have this access if the server is enabled. Software updates that address this vulnerability have been released.

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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...

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	cisco	confd	*	From (including) 7.4	Up to (including) 7.4.3
	运行在以下环境
	应用	cisco	confd	*	From (including) 7.5	Up to (including) 7.5.2
	运行在以下环境
	应用	cisco	network_services_orchestrator	*	From (including) 5.4	Up to (including) 5.4.3.1
	运行在以下环境
	应用	cisco	network_services_orchestrator	*	From (including) 5.5	Up to (including) 5.5.2.2

CVSS3评分 7.8

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

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

CWE-ID	漏洞类型
CWE-269	特权管理不恰当

Exp相关链接

- avd.aliyun.com