CVE-2019-11878

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 43%
VendorProductVersion
xiongmaitechbesder_ip20h1_firmware
4.02.r12.00035520.12012.047500.00200:r12.00035520
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://blog.0x42424242.in/2019/04/besder-investigative-journey-part-1_24.html
https://www.youtube.com/watch?v=SnyPJtDDMFQ
http://blog.0x42424242.in/2019/04/besder-investigative-journey-part-1_24.html
https://www.youtube.com/watch?v=SnyPJtDDMFQ