PT-2020-13817 · Contiki · Contiki

Published 2020-12-11 · Updated 2020-12-14 · CVE-2020-13984

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 An issue exists in the uIP TCP/IP stack component when processing IPv6 extension headers in ext hdr options process in net/ipv6/uip6.c, causing an infinite loop.

Recommendations For Contiki versions through 3.0, consider disabling the ext hdr options process function in net/ipv6/uip6.c as a temporary workaround to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

CVE-2020-13984

Affected Products

Contiki

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2020-13984 · Security Note
• https://osv.dev/vulnerability/CVE-2020-13984 · Vendor Advisory
• https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 · Note
• https://t.me/cibsecurity/20562 · Telegram Post
• https://t.me/cibsecurity/20621 · Telegram Post
• https://t.me/cibsecurity/20582 · Telegram Post
• https://kb.cert.org/vuls/id/815128 · Note
• https://t.me/cibsecurity/20601 · Telegram Post
• https://t.me/cibsecurity/20641 · Telegram Post