CVE-2019-16748
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability67. percentile1.2%
ProductWolfssl
PublishedSep 24, 2019
First seenSep 24, 2019
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wolfssl wolfssl | v ≤ 4.1.0 | — |
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