CVE-2020-24334

Description

The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c.

Category

8.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.50%
Third-Party Advisory cisa.gov Third-Party Advisory cert.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.kb.cert.org/vuls/id/815128 third party advisory us government resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2020-24334?
CVE-2020-24334 has been scored as a high severity vulnerability.
How to fix CVE-2020-24334?
To fix CVE-2020-24334, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-24334 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-24334 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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