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.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| bouncycastle | bc-csharp | 1.8.7 | - |
| bouncycastle | bouncy_castle_fips_.net_api | 1.0.1.1 | - |
| bouncycastle | fips_java_api |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
5
Affected Products
8
References
bouncycastle / bc-csharp
| 1.0.1.2 |
| - |
| bouncycastle | fips_java_api | 1.0.2 - 1.0.2.1 | - |
| bouncycastle | the_bouncy_castle_crypto_package_for_java | 1.66 | - |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability
Impact