Integer overflow in Xiongmaitech Besder Ip20h1
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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Xiongmaitech Besder Ip20h1
- Xiongmaitech Besder Ip20h1 Firmware — versions 4.02.r12.00035520.12012.047500.00200
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.0x42424242.in/2019/04/besder-investigative-journey-part-1_24.html (Exploit, Third Party Advisory)
- www.youtube.com/watch (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11878?
- CVE-2019-11878 is a medium-severity vulnerability in Xiongmaitech Besder Ip20h1, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2019-05-10.
- How severe is CVE-2019-11878?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-11878 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.