Out-of-bounds Read Affecting wolfssl package, versions <4.2.0+dfsg-1
Threat Intelligence
EPSS
0.15% (52nd
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-WOLFSSL-469051
- published 25 Sep 2019
- disclosed 24 Sep 2019
Introduced: 24 Sep 2019
CVE-2019-16748 Open this link in a new tabHow to fix?
Upgrade Debian:unstable wolfssl to version 4.2.0+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wolfssl package and not the wolfssl package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
In wolfSSL through 4.1.0, there is a missing sanity check of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer over-read in CheckCertSignature_ex in wolfcrypt/src/asn.c.
CVSS Scores
version 3.1