CVE-2019-16129 json
Microchip CryptoAuthentication Library CryptoAuthLib prior to 20191122 has a Buffer Overflow (issue 2 of 2).
published 6y ago modified 4mo ago also EUVD-2019-6967
- cvss
- 6.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
Microchip CryptoAuthentication Library CryptoAuthLib prior to 20191122 has a Buffer Overflow (issue 2 of 2).
Patch / fix
- microchip cryptoauthlib 20191122
Is CVE-2019-16129 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- census-labs.com https://census-labs.com/news/2020/10/21/microchip-cryptoauthlib-atcab_genkey_base-buffer-overflow/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
census-labs.com
/news/2020/10/21/microchip-cryptoauthlib-atcab_genkey_base-buffer-overflow/
exploit, press/media-coverage, third-party-advisory
-
microchip.com
/design-centers/security-ics/cryptoauthentication
vendor-advisory
-
openwall.com
/lists/oss-security/2020/10/22/1
mailing-list, third-party-advisory
Sources
- CVE List CVE-2019-16129
- NVD CVE-2019-16129
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.