CVE-2019-11878 — MEDIUM (6.5)

Vulnerability Description

An issue was discovered on XiongMai Besder IP20H1 V4.02.R12.00035520.12012.047500.00200 cameras. An attacker on the same local network as the camera can craft a message with a size field larger than 0x80000000 and send it to the camera, related to an integer overflow or use of a negative number. This then crashes the camera for about 120 seconds.

CVSS Score

6.5

MEDIUM

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Xiongmaitech	Besder Ip20H1 Firmware	4.02.r12.00035520.12012.047500.00200
Xiongmaitech	Besder Ip20H1	-

Related Weaknesses (CWE)

CWE-190

References

http://blog.0x42424242.in/2019/04/besder-investigative-journey-part-1_24.htmlExploitThird Party Advisory
https://www.youtube.com/watch?v=SnyPJtDDMFQExploitThird Party Advisory
http://blog.0x42424242.in/2019/04/besder-investigative-journey-part-1_24.htmlExploitThird Party Advisory
https://www.youtube.com/watch?v=SnyPJtDDMFQExploitThird Party Advisory

FAQ

What is CVE-2019-11878?

CVE-2019-11878 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered on XiongMai Besder IP20H1 V4.02.R12.00035520.12012.047500.00200 cameras. An attacker on the same local network as the camera can craft a message with a size field larger than 0...

How severe is CVE-2019-11878?

CVE-2019-11878 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-11878?

Check the references section above for vendor advisories and patch information. Affected products include: Xiongmaitech Besder Ip20H1 Firmware, Xiongmaitech Besder Ip20H1.