VDB
CVE-2020-15522
CVE-2020-15522
PUBLISHED
Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.
EPSS 0.40% · 61.3th percentile
Risk Scores
EPSS Score
0.40%
61.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | bouncycastle | 1.57-1, 1.59-1, 0 |
| Ubuntu:20.04:LTS | bouncycastle | 0, 1.61-1 |
| Ubuntu:16.04:LTS | bouncycastle | 1.49+dfsg-3ubuntu1, 1.51-4ubuntu1, 0 |
Exploit Intelligence
- CVE-2022-32250.yara (github-yara)
- CVE-2022-32250.yara (github-yara)
- CVE-2022-32250.yara (github-yara)
- CVE-2022-32250.yara (github-yara)
- CVE-2022-32250.yara (github-yara)
- CVE-2022-32250.yara (github-yara)
- CVE-2022-32250.yara (github-yara)
Timeline
- May 20, 2021 CVE Published
- May 21, 2021 EPSS Score
- Jul 23, 2021 EPSS Score
- Sep 23, 2021 EPSS Score
- Nov 23, 2021 EPSS Score
- Jan 24, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 26, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 27, 2022 EPSS Score
- Jul 28, 2022 EPSS Score
- Sep 28, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-15522 third-party-advisory
- https://github.com/bcgit/bc-java/wiki/CVE-2020-15522 third-party-advisory
- https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522 third-party-advisory
- https://www.bouncycastle.org/releasenotes.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-15522 third-party-advisory