PT-2020-9794 · Microchip · Cryptoauthlib

George Poulios · Published 2020-10-22 · Updated 2020-10-30 · CVE-2019-16129

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Microchip CryptoAuthentication Library CryptoAuthLib versions prior to 20191122

Description The issue is related to a buffer overflow in the CryptoAuthentication Library.

Recommendations For versions prior to 20191122, update to a version released after 20191122 to resolve the issue.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2019-16129

Affected Products

Cryptoauthlib

References · 5

• 🔥 https://census-labs.com/news/2020/10/21/microchip-cryptoauthlib-atcab_genkey_base-buffer-overflow · Exploit
• https://osv.dev/vulnerability/CVE-2019-16129 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-16129 · Security Note
• https://microchip.com/design-centers/security-ics/cryptoauthentication · Vendor Advisory
• http://openwall.com/lists/oss-security/2020/10/22/1 · Note