Out-of-bounds Read in Contiki-ng

CVE-2020-24335

An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.

Vulnerability class: Buffer Overflow

EPSS: 0.030 (86.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (US Government Resource, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-24335?
CVE-2020-24335 is a high-severity vulnerability in Contiki-ng, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-02-02.
How severe is CVE-2020-24335?
High severity. CVSS v3 base score is 7.5 out of 10.