CVE-2020-24383

Published Dec 11, 2020
·
Updated

An issue was discovered in FNET through 4.6.4. The code for processing resource records in mDNS queries doesn't check for proper '\0' termination of the resource record name string, leading to an out-of-bounds read, and potentially causing information leak or Denial-or-Service.

Affected Software

9 affected components
Butok Fnet<=4.6.4
Multiple (open source) uIP-Contiki-OS (end-of-life [EOL]), Version 3.0 and prior
Multiple (open source) uIP-Contiki-NG, Version 4.5 and prior
Multiple (open source) uIP (EOL), Version 1.0 and prior
Multiple (open source) open-iscsi, Version 2.1.12 and prior
Multiple (open source) picoTCP-NG, Version 1.7.0 and prior
Multiple (open source) picoTCP (EOL), Version 1.7.0 and prior
Multiple (open source) FNET, Version 4.6.3
Multiple (open source) Nut/Net, Version 5.1 and prior

Event History

Dec 11, 2020
CVE Published
via MITRE·10:56 PM
Data Sourced
via MITRE·10:56 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2020-24383?

CVE-2020-24383 has a medium severity, which can lead to information leakage or Denial-of-Service.

2

How do I fix CVE-2020-24383?

To fix CVE-2020-24383, update affected software to versions that are not vulnerable, specifically any that are higher than FNET 4.6.4.

3

Which applications are affected by CVE-2020-24383?

CVE-2020-24383 affects FNET versions up to 4.6.4, uIP-Contiki-OS versions 3.0 and prior, and several other open-source products.

4

What kind of attack can be executed due to CVE-2020-24383?

CVE-2020-24383 can lead to out-of-bounds read vulnerabilities, potentially allowing attackers to exploit information leaks.

5

Is CVE-2020-24383 being actively exploited in the wild?

There is currently no evidence that CVE-2020-24383 is actively being exploited in the wild, but it is still considered a risk.

Contact

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