PT-2020-14994 · Altran Intelligent Systems · Picotcp

Published 2020-12-11 · Updated 2020-12-14 · CVE-2020-17445

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 picoTCP version 1.7.0

Description An issue in the code for processing IPv6 destination options does not check for a valid length of the destination options header, resulting in an Out-of-Bounds Read. Depending on the memory protection mechanism, this may cause Denial-of-Service in the pico ipv6 process destopt() function in pico ipv6.c.

Recommendations For picoTCP version 1.7.0, consider disabling the pico ipv6 process destopt() function until a patch is available to prevent potential Denial-of-Service attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2020-17445

Affected Products

Picotcp

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-17445 · Security Note
• https://osv.dev/vulnerability/CVE-2020-17445 · Vendor Advisory
• https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 · Note
• https://kb.cert.org/vuls/id/815128 · Note
• https://t.me/cvenotify/7068 · Telegram Post