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CVE-2023-33193— Emby Server 环境问题漏洞

一分钟漏洞结论

影响对象
EmbySupport security
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Emby Server是个人开发者的一款功能强大的媒体服务器。该产品主要可用于视频音频和照片等多媒体整合编辑。 Emby Server 4.7.12之前版本存在安全漏洞，该漏洞源于通过欺骗某些旨在与反向代理服务器互操作的标头，可能会影响本地/非本地网络的确定，以允许在没有密码的情况下登录或查看可能没有配置密码的用户帐户列表。

CVSS 9.1 · Critical EPSS 1.70% · P75

公开利用映射 1

Nuclei · 1 CVE-2023-33193.yaml [template]
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一、 漏洞 CVE-2023-33193 基础信息

漏洞信息
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Vulnerability Title
Emby Server Proxy Header Spoofing Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
Emby Server is a user-installable home media server which stores and organizes a user's media files of virtually any format and makes them available for viewing at home and abroad on a broad range of client devices. This vulnerability may allow administrative access to an Emby Server system, depending on certain user account settings. By spoofing certain headers which are intended for interoperation with reverse proxy servers, it may be possible to affect the local/non-local network determination to allow logging in without password or to view a list of user accounts which may have no password configured. Impacted are all Emby Server system which are publicly accessible and where the administrator hasn't tightened the account login configuration for administrative users. This issue has been patched in Emby Server Beta version 4.8.31 and Emby Server version 4.7.12.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
来源: CVE Program / CVE List V5
Vulnerability Title
Emby Server 环境问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Emby Server是个人开发者的一款功能强大的媒体服务器。该产品主要可用于视频音频和照片等多媒体整合编辑。 Emby Server 4.7.12之前版本存在安全漏洞，该漏洞源于通过欺骗某些旨在与反向代理服务器互操作的标头，可能会影响本地/非本地网络的确定，以允许在没有密码的情况下登录或查看可能没有配置密码的用户帐户列表。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
EmbySupport security < 4.7.12 -

二、漏洞 CVE-2023-33193 的公开POC

# POC 描述 源链接 神龙链接
1 Emby Server is a user-installable home media server which stores and organizes a user's media files of virtually any format and makes them available for viewing at home and abroad on a broad range of client devices. This vulnerability may allow administrative access to an Emby Server system, depending on certain user account settings. By spoofing certain headers which are intended for interoperation with reverse proxy servers, it may be possible to affect the local/non-local network determination to allow logging in without password or to view a list of user accounts which may have no password configured. Impacted are all Emby Server system which are publicly accessible and where the administrator hasn't tightened the account login configuration for administrative users. This issue has been patched in Emby Server Beta version 4.8.31 and Emby Server version 4.7.12. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-33193.yaml POC详情
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三、漏洞 CVE-2023-33193 的情报信息

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CVE-2023-33193 厂商安全公告 (1)

IV. Related Vulnerabilities

Same product: security
Same vendor: EmbySupport
Same weakness: CWE-444

V. Comments for CVE-2023-33193

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