CVE-2019-16748

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/24/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

wolfssl:wolfssl

Weaknesses (CWE)

CWE-125

References

https://github.com/wolfSSL/wolfssl/issues/2459(cve@mitre.org)

https://github.com/wolfSSL/wolfssl/issues/2459(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.