Denial of service in Robert Bosch CPP HD/MP cameras

1) Resource exhaustion

EUVDB-ID: #VU54585

Risk: Low

CVSSv4.0: [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/E:U/U:Clear]

CVE-ID: CVE-2021-23852

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CPP4 HD/MP cameras: 7.10

CPP6 HD/MP cameras: 7.60 - 7.80

AVIOTEC cameras: 7.61 - 7.72

CPP7 HD/MP cameras: 7.60 - 7.80

CPP7.3 HD/MP cameras: 7.60 - 7.80

CPP13 HD/MP cameras: 7.75

CPE2.3

• cpe:2.3:h:robert_bosch:cpp4_hd_mp_cameras:*:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:cpp4_hd_mp_cameras:7.10:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:cpp6_hd_mp_cameras:7.60:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:cpp6_hd_mp_cameras:7.61:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:cpp6_hd_mp_cameras:7.62:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:aviotec_cameras:7.61:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:aviotec_cameras:7.70:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:aviotec_cameras:7.72:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:cpp7_hd_mp_cameras:7.60:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:cpp7_hd_mp_cameras:7.61:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:cpp7.3_hd_mp_cameras:7.60:*:*:*:*:*:*:*
• cpe:2.3:h:robert_bosch:cpp13_hd_mp_cameras:7.75:*:*:*:*:*:*:*

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.