CVE-2019-18840
- State
- Published
- Severity
- 7.5 High
- Published
- Nov 9, 2019
- Updated
- Aug 5, 2024
- Reserved
- Nov 9, 2019
Description
In wolfSSL 4.1.0 through 4.2.0c, there are missing sanity checks of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer overflow inside the DecodedCert structure in GetName in wolfcrypt/src/asn.c because the domain name location index is mishandled. Because a pointer is overwritten, there is an invalid free.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 7.5 High | CVSS:3.0/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N | mitre |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
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