Resource exhaustion in Robert Bosch products - CVE-2021-23852

Vulnerability identifier: #VU54585

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-23852

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote administrator can send a specially crafted HTTP GET request, trigger resource exhaustion and perform a denial of service (DoS) attack.

CPP4 HD/MP cameras
CPP7.3 HD/MP cameras
CPP7 HD/MP cameras
CPP6 HD/MP cameras
AVIOTEC cameras
CPP13 HD/MP cameras

Install updates from vendor's website.

CPP4 HD/MP cameras - update to 7.10.0095
CPP7.3 HD/MP cameras - addressed in versions 7.62.0004, 7.80.0129
CPP7 HD/MP cameras - addressed in versions 7.62.0005, 7.80.0129
CPP6 HD/MP cameras - addressed in versions 7.62.0005, 7.80.0129
AVIOTEC cameras - update to 7.72.0013
CPP13 HD/MP cameras - update to 7.75.0008

• https://psirt.bosch.com/security-advisories/bosch-sa-478243-bt.html

• Denial of service in Robert Bosch CPP HD/MP cameras