GHSA-6xx3-rg99-gc3p
Timing based private key exposure in Bouncy Castle
At a glance
- Published
- Updated
- CVE
- CVE-2020-15522
- CVSS_V3
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Description
Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.2.1, BC before 1.66, 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.
Affected packages
| Package | Versions |
|---|---|
| Maven · org.bouncycastle:bc-fips | introduced 0, fixed 1.0.2.1 |
| Maven · org.bouncycastle:bcprov-ext-jdk15on | introduced 0, fixed 1.66 |
| Maven · org.bouncycastle:bcprov-ext-jdk16 | introduced 0, fixed 1.66 |
| Maven · org.bouncycastle:bcprov-jdk14 | introduced 0, fixed 1.66 |
| Maven · org.bouncycastle:bcprov-jdk15 | introduced 0, fixed 1.66 |
| Maven · org.bouncycastle:bcprov-jdk15on | introduced 0, fixed 1.66 |
| Maven · org.bouncycastle:bcprov-jdk15to18 | introduced 0, fixed 1.66 |
| Maven · org.bouncycastle:bcprov-jdk16 | introduced 0, fixed 1.66 |
| NuGet · BouncyCastle | introduced 0, fixed 1.8.7 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-15522 ADVISORY
- https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522 WEB
- https://github.com/bcgit/bc-java/wiki/CVE-2020-15522 WEB
- https://security.netapp.com/advisory/ntap-20210622-0007 WEB
- https://www.bouncycastle.org/releasenotes.html WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |