CVE-2019-16128 — Microchip CryptoAuthentication Library CryptoAuthLib prior to 20191122 has a Buf

Microchip CryptoAuthentication Library CryptoAuthLib prior to 20191122 has a Buffer Overflow (issue 1 of 2).

01What is this vulnerability?

Microchip CryptoAuthentication Library CryptoAuthLib prior to 20191122 has a Buffer Overflow (issue 1 of 2).

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-10-22T19:07:19.000Z
• Last modified: 2024-08-05T01:10:40.888Z

09References

• www.microchip.com — https://www.microchip.com/design-centers/security-ics/cryptoauthentication
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/10/22/1
• census-labs.com — https://census-labs.com/news/2020/10/21/microchip-cryptoauthlib-atcab_sign_base-…