Vulnerabilites related to bouncycastle - the_bouncy_castle_crypto_package_for_java
cve-2020-15522
Vulnerability from cvelistv5
Published
2021-05-20 11:20
Modified
2024-08-04 13:15
Severity ?
EPSS score ?
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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.bouncycastle.org/releasenotes.html | x_refsource_MISC | |
| https://github.com/bcgit/bc-java/wiki/CVE-2020-15522 | x_refsource_MISC | |
| https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522 | x_refsource_MISC | |
| https://security.netapp.com/advisory/ntap-20210622-0007/ | x_refsource_CONFIRM |
{ containers: { adp: [ { providerMetadata: { dateUpdated: "2024-08-04T13:15:20.863Z", orgId: "af854a3a-2127-422b-91ae-364da2661108", shortName: "CVE", }, references: [ { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://www.bouncycastle.org/releasenotes.html", }, { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522", }, { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522", }, { tags: [ "x_refsource_CONFIRM", "x_transferred", ], url: "https://security.netapp.com/advisory/ntap-20210622-0007/", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { product: "n/a", vendor: "n/a", versions: [ { status: "affected", version: "n/a", }, ], }, ], descriptions: [ { lang: "en", value: "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.", }, ], problemTypes: [ { descriptions: [ { description: "n/a", lang: "en", type: "text", }, ], }, ], providerMetadata: { dateUpdated: "2021-06-22T08:06:30", orgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca", shortName: "mitre", }, references: [ { tags: [ "x_refsource_MISC", ], url: "https://www.bouncycastle.org/releasenotes.html", }, { tags: [ "x_refsource_MISC", ], url: "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522", }, { tags: [ "x_refsource_MISC", ], url: "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522", }, { tags: [ "x_refsource_CONFIRM", ], url: "https://security.netapp.com/advisory/ntap-20210622-0007/", }, ], x_legacyV4Record: { CVE_data_meta: { ASSIGNER: "cve@mitre.org", ID: "CVE-2020-15522", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "n/a", version: { version_data: [ { version_value: "n/a", }, ], }, }, ], }, vendor_name: "n/a", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "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.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "n/a", }, ], }, ], }, references: { reference_data: [ { name: "https://www.bouncycastle.org/releasenotes.html", refsource: "MISC", url: "https://www.bouncycastle.org/releasenotes.html", }, { name: "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522", refsource: "MISC", url: "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522", }, { name: "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522", refsource: "MISC", url: "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522", }, { name: "https://security.netapp.com/advisory/ntap-20210622-0007/", refsource: "CONFIRM", url: "https://security.netapp.com/advisory/ntap-20210622-0007/", }, ], }, }, }, }, cveMetadata: { assignerOrgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca", assignerShortName: "mitre", cveId: "CVE-2020-15522", datePublished: "2021-05-20T11:20:18", dateReserved: "2020-07-04T00:00:00", dateUpdated: "2024-08-04T13:15:20.863Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", }
Vulnerability from fkie_nvd
Published
2021-05-20 12:15
Modified
2024-11-21 05:05
Severity ?
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.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522 | Third Party Advisory | |
| cve@mitre.org | https://github.com/bcgit/bc-java/wiki/CVE-2020-15522 | Third Party Advisory | |
| cve@mitre.org | https://security.netapp.com/advisory/ntap-20210622-0007/ | ||
| cve@mitre.org | https://www.bouncycastle.org/releasenotes.html | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/bcgit/bc-java/wiki/CVE-2020-15522 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://security.netapp.com/advisory/ntap-20210622-0007/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://www.bouncycastle.org/releasenotes.html | Release Notes, Vendor Advisory |
Impacted products
{ configurations: [ { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:a:bouncycastle:bc-csharp:*:*:*:*:*:*:*:*", matchCriteriaId: "E617E18C-5957-450B-A6F2-F3A5E8202D3F", versionEndExcluding: "1.8.7", vulnerable: true, }, { criteria: "cpe:2.3:a:bouncycastle:bouncy_castle_fips_.net_api:*:*:*:*:*:*:*:*", matchCriteriaId: "4A4C68F3-451F-46C7-932A-1D04828CB87B", versionEndExcluding: "1.0.1.1", vulnerable: true, }, { criteria: "cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-fips-java-api:*:*:*:*:*:*:*:*", matchCriteriaId: "51B90541-F4AC-43FF-A8F7-61012EB03377", versionEndExcluding: "1.0.1.2", vulnerable: true, }, { criteria: "cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-fips-java-api:*:*:*:*:*:*:*:*", matchCriteriaId: "2B951DBC-3F6D-4BA1-81C1-98852EF32760", versionEndExcluding: "1.0.2.1", versionStartIncluding: "1.0.2", vulnerable: true, }, { criteria: "cpe:2.3:a:bouncycastle:the_bouncy_castle_crypto_package_for_java:*:*:*:*:*:*:*:*", matchCriteriaId: "A7D7F6F7-8F74-41E0-9AFA-2FB26773DF69", versionEndExcluding: "1.66", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, ], cveTags: [], descriptions: [ { lang: "en", value: "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.", }, { lang: "es", value: "Bouncy Castle BC Java versiones anteriores a 1.66, BC C # .NET versiones anteriores a 1.8.7, BC-FJA versiones anteriores a 1.0.1.2, 1.0.2.1 y BC-FNA versiones anteriores a 1.0.1.1, presentan un problema de sincronización dentro de la biblioteca EC math que puede exponer información sobre la clave privada cuando un atacante es capaz de observar información de sincronización para la generación de múltiples firmas ECDSA deterministas", }, ], id: "CVE-2020-15522", lastModified: "2024-11-21T05:05:41.333", metrics: { cvssMetricV2: [ { acInsufInfo: false, baseSeverity: "MEDIUM", cvssData: { accessComplexity: "MEDIUM", accessVector: "NETWORK", authentication: "NONE", availabilityImpact: "NONE", baseScore: 4.3, confidentialityImpact: "PARTIAL", integrityImpact: "NONE", vectorString: "AV:N/AC:M/Au:N/C:P/I:N/A:N", version: "2.0", }, exploitabilityScore: 8.6, impactScore: 2.9, obtainAllPrivilege: false, obtainOtherPrivilege: false, obtainUserPrivilege: false, source: "nvd@nist.gov", type: "Primary", userInteractionRequired: false, }, ], cvssMetricV31: [ { cvssData: { attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "NONE", baseScore: 5.9, baseSeverity: "MEDIUM", confidentialityImpact: "HIGH", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", version: "3.1", }, exploitabilityScore: 2.2, impactScore: 3.6, source: "nvd@nist.gov", type: "Primary", }, ], }, published: "2021-05-20T12:15:08.003", references: [ { source: "cve@mitre.org", tags: [ "Third Party Advisory", ], url: "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522", }, { source: "cve@mitre.org", tags: [ "Third Party Advisory", ], url: "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522", }, { source: "cve@mitre.org", url: "https://security.netapp.com/advisory/ntap-20210622-0007/", }, { source: "cve@mitre.org", tags: [ "Release Notes", "Vendor Advisory", ], url: "https://www.bouncycastle.org/releasenotes.html", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", ], url: "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", ], url: "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522", }, { source: "af854a3a-2127-422b-91ae-364da2661108", url: "https://security.netapp.com/advisory/ntap-20210622-0007/", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Release Notes", "Vendor Advisory", ], url: "https://www.bouncycastle.org/releasenotes.html", }, ], sourceIdentifier: "cve@mitre.org", vulnStatus: "Modified", weaknesses: [ { description: [ { lang: "en", value: "CWE-362", }, ], source: "nvd@nist.gov", type: "Primary", }, ], }