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CVE-2023-0750— Yellowbrik PEC-1864 authentication bypass

Quick assessment

Affected
Lynx Technik AG Yellowbrik
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LYNX Technik Yellobrik PEC-1864是LYNX Technik公司的一款多功能、紧凑的 SDI/HDMI H.264 流媒体和记录器。 LYNX Technik Yellobrik PEC-1864版本存在安全漏洞，该漏洞源于通过前端界面中的javascript实现身份验证检查，当可以通过网络访问设备时，攻击者可以绕过身份验证。

CVSS 9.8 · Critical EPSS 0.45% · P37
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I. Basic Information for CVE-2023-0750

Vulnerability Information
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Vulnerability Title
Yellowbrik PEC-1864 authentication bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface.  When the device can be accessed over the network an attacker could bypass authentication. This would allow an attacker to : - Change the password, resulting in a DOS of the users - Change the streaming source, compromising the integrity of the stream - Change the streaming destination, compromising the confidentiality of the stream This issue affects Yellowbrik: PEC 1864. No patch has been issued by the manufacturer as this model was discontinued.
Source: 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:H
Source: CVE Program / CVE List V5
Vulnerability Type
服务端安全的客户端实施
Source: CVE Program / CVE List V5
Vulnerability Title
LYNX Technik Yellobrik PEC-1864 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LYNX Technik Yellobrik PEC-1864是LYNX Technik公司的一款多功能、紧凑的 SDI/HDMI H.264 流媒体和记录器。 LYNX Technik Yellobrik PEC-1864版本存在安全漏洞，该漏洞源于通过前端界面中的javascript实现身份验证检查，当可以通过网络访问设备时，攻击者可以绕过身份验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Lynx Technik AG Yellowbrik PEC 1864 -

II. Public POCs for CVE-2023-0750

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III. Intelligence Information for CVE-2023-0750

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Other References for CVE-2023-0750 (1)

IV. Related Vulnerabilities

Same weakness: CWE-602

V. Comments for CVE-2023-0750

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