cisco expressway 密码学签名的验证不恰当
CVE编号
CVE-2021-34715利用情况
暂无补丁情况
N/A披露时间
2021-08-19漏洞描述
A vulnerability in the image verification function of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to execute code with internal user privileges on the underlying operating system. The vulnerability is due to insufficient validation of the content of upgrade packages. An attacker could exploit this vulnerability by uploading a malicious archive to the Upgrade page of the administrative web interface. A successful exploit could allow the attacker to execute code with user-level privileges (the _nobody account) on the underlying operating system.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... |
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 | expressway | * | Up to (including) x8.8.0 | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | telepresence_video_communication_server | * | Up to (including) x8.8 | |||||
- 攻击路径 网络
- 攻击复杂度 低
- 权限要求 高
- 影响范围 未更改
- 用户交互 无
- 可用性 高
- 保密性 高
- 完整性 高
| CWE-ID | 漏洞类型 |
| CWE-347 | 密码学签名的验证不恰当 |
Exp相关链接
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