CVE-2019-16748
Last modified
CVE-2019-16748 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wolfssl | Wolfssl | <= 4.1.0 |
References
- https://github.com/wolfSSL/wolfssl/issues/2459Third Party Advisory
- https://github.com/wolfSSL/wolfssl/issues/2459Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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