VDB
CVE-2020-15309
CVE-2020-15309
PUBLISHED
An issue was discovered in wolfSSL before 4.5.0, when single precision is not employed. Local attackers can conduct a cache-timing attack against public key operations. These attackers may already have obtained sensitive information if the affected system has been used for private key operations (e.g., signing with a private key).
EPSS 0.10% · 27.8th percentile
Risk Scores
EPSS Score
0.10%
27.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | wolfssl | 0, 3.4.8+dfsg-1 |
| Ubuntu:20.04:LTS | wolfssl | 4.1.0+dfsg-2, 4.2.0+dfsg-1, 4.2.0+dfsg-2 |
| Ubuntu:18.04:LTS | wolfssl | 3.10.2+dfsg-2, 3.12.2+dfsg-1, 3.13.0+dfsg-1 |
Exploit Intelligence
Timeline
- Aug 21, 2020 CVE Published
- Oct 28, 2020 CVE Updated
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-15309 third-party-advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-15309 third-party-advisory