PT-2020-13818 · Contiki · Contiki

Published 2020-12-11 · Updated 2021-07-21 · CVE-2020-13985

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Contiki versions through 3.0

Description A memory corruption issue exists in the uIP TCP/IP stack component when handling RPL extension headers of IPv6 network packets in the rpl remove header function in net/rpl/rpl-ext-header.c.

Recommendations For Contiki versions through 3.0, as a temporary workaround, consider disabling the rpl remove header function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Integer Overflow

Memory Corruption

Weakness Enumeration

CWE-681

CWE-190

CWE-787

Related Identifiers

CVE-2020-13985

Affected Products

Contiki

References · 9

• https://osv.dev/vulnerability/CVE-2020-13985 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-13985 · Security Note
• https://t.me/cibsecurity/20584 · Telegram Post
• https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 · Note
• https://kb.cert.org/vuls/id/815128 · Note
• https://t.me/cibsecurity/20603 · Telegram Post
• https://t.me/cibsecurity/20564 · Telegram Post
• https://t.me/cibsecurity/20623 · Telegram Post
• https://t.me/cibsecurity/20643 · Telegram Post