複数の Bouncy Castle 製品における競合状態に関する脆弱性
| Title |
複数の Bouncy Castle 製品における競合状態に関する脆弱性
|
| Summary |
複数の Bouncy Castle 製品には、競合状態に関する脆弱性が存在します。
|
| Possible impacts |
情報を取得される可能性があります。 |
| Solution |
ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date |
July 4, 2020, midnight |
| Registration Date |
Oct. 14, 2021, 11:05 a.m. |
| Last Update |
Oct. 14, 2021, 11:05 a.m. |
|
CVSS3.0 : 警告
|
| Score |
5.9
|
| Vector |
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
|
CVSS2.0 : 警告
|
| Score |
4.3
|
| Vector |
AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected System
| 日立 |
|
Hitachi Ops Center Common Services (海外販売のみ)
|
| Bouncy Castle |
|
bc-csharp
|
|
Bouncy Castle Crypto package for Java
|
|
Bouncy Castle FIPS .NET API
|
|
Bouncy Castle FJA
|
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
| No |
Changed Details |
Date of change |
| 1 |
[2021年10月14日]
掲載 |
Oct. 14, 2021, 11:05 a.m. |
NVD Vulnerability Information
CVE-2020-15522
| Summary |
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.
|
| Publication Date |
May 20, 2021, 9:15 p.m. |
| Registration Date |
May 21, 2021, 10 a.m. |
| Last Update |
Nov. 21, 2024, 2:05 p.m. |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-fips-java-api:*:*:*:*:*:*:*:* |
|
|
|
1.0.1.2 |
| cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-fips-java-api:*:*:*:*:*:*:*:* |
1.0.2 |
|
|
1.0.2.1 |
| cpe:2.3:a:bouncycastle:bc-csharp:*:*:*:*:*:*:*:* |
|
|
|
1.8.7 |
| cpe:2.3:a:bouncycastle:bouncy_castle_fips_.net_api:*:*:*:*:*:*:*:* |
|
|
|
1.0.1.1 |
| cpe:2.3:a:bouncycastle:the_bouncy_castle_crypto_package_for_java:*:*:*:*:*:*:*:* |
|
|
|
1.66 |
Related information, measures and tools
Common Vulnerabilities List