GSD-2020-15522

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
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.
Aliases
Aliases
CVE-2020-15522
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-15522",
    "description": "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.",
    "id": "GSD-2020-15522",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-15522.html",
      "https://access.redhat.com/errata/RHSA-2021:5134",
      "https://access.redhat.com/errata/RHSA-2021:2755",
      "https://access.redhat.com/errata/RHSA-2021:1401",
      "https://access.redhat.com/errata/RHSA-2022:1013",
      "https://access.redhat.com/errata/RHSA-2022:1029"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-15522"
      ],
      "details": "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.",
      "id": "GSD-2020-15522",
      "modified": "2023-12-13T01:21:43.947443Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "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": {
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                          "version_value": "n/a"
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            "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": {
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            "refsource": "MISC",
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          {
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          },
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          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20210622-0007/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20210622-0007/"
          }
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    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,1.0.2]",
          "affected_versions": "All versions up to 1.0.2",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-362",
            "CWE-937"
          ],
          "date": "2021-08-13",
          "description": "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.",
          "fixed_versions": [
            "1.0.2.1"
          ],
          "identifier": "CVE-2020-15522",
          "identifiers": [
            "GHSA-6xx3-rg99-gc3p",
            "CVE-2020-15522"
          ],
          "not_impacted": "All versions after 1.0.2",
          "package_slug": "maven/org.bouncycastle/bc-fips",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to version 1.0.2.1 or above.",
          "title": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-15522",
            "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522",
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            "https://github.com/advisories/GHSA-6xx3-rg99-gc3p"
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          "uuid": "92256c79-6b98-45b1-bd38-9359cc3c739f"
        },
        {
          "affected_range": "(,1.66)",
          "affected_versions": "All versions before 1.66",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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            "CWE-362",
            "CWE-937"
          ],
          "date": "2021-08-13",
          "description": "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.",
          "fixed_versions": [
            "1.66"
          ],
          "identifier": "CVE-2020-15522",
          "identifiers": [
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            "CVE-2020-15522"
          ],
          "not_impacted": "All versions starting from 1.66",
          "package_slug": "maven/org.bouncycastle/bcprov-ext-jdk15on",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to version 1.66 or above.",
          "title": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-15522",
            "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522",
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            "https://github.com/advisories/GHSA-6xx3-rg99-gc3p"
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          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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          "date": "2021-08-13",
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          "fixed_versions": [
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          ],
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          ],
          "not_impacted": "All versions starting from 1.66",
          "package_slug": "maven/org.bouncycastle/bcprov-ext-jdk16",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to version 1.66 or above.",
          "title": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-15522",
            "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522",
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            "https://github.com/advisories/GHSA-6xx3-rg99-gc3p"
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          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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            "CWE-937"
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          ],
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            "GHSA-6xx3-rg99-gc3p",
            "CVE-2020-15522"
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          "package_slug": "maven/org.bouncycastle/bcprov-jdk14",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to version 1.66 or above.",
          "title": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-15522",
            "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522",
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            "https://github.com/advisories/GHSA-6xx3-rg99-gc3p"
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        },
        {
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          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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            "CWE-937"
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          "description": "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.",
          "fixed_versions": [
            "1.66"
          ],
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          "identifiers": [
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            "CVE-2020-15522"
          ],
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          "package_slug": "maven/org.bouncycastle/bcprov-jdk15",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to version 1.66 or above.",
          "title": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-15522",
            "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522",
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          "fixed_versions": [
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            "GHSA-6xx3-rg99-gc3p",
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          "package_slug": "maven/org.bouncycastle/bcprov-jdk15on",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to version 1.66 or above.",
          "title": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
          "urls": [
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            "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522",
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            "https://security.netapp.com/advisory/ntap-20210622-0007/",
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            "https://github.com/advisories/GHSA-6xx3-rg99-gc3p"
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        {
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          "affected_versions": "All versions before 1.66",
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          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
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            "CWE-362",
            "CWE-937"
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          "date": "2021-08-13",
          "description": "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.",
          "fixed_versions": [
            "1.66"
          ],
          "identifier": "CVE-2020-15522",
          "identifiers": [
            "GHSA-6xx3-rg99-gc3p",
            "CVE-2020-15522"
          ],
          "not_impacted": "All versions starting from 1.66",
          "package_slug": "maven/org.bouncycastle/bcprov-jdk15to18",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to version 1.66 or above.",
          "title": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-15522",
            "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522",
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            "https://github.com/advisories/GHSA-6xx3-rg99-gc3p"
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        },
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          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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          "description": "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.",
          "fixed_versions": [
            "1.66"
          ],
          "identifier": "CVE-2020-15522",
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            "CVE-2020-15522"
          ],
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          "package_slug": "maven/org.bouncycastle/bcprov-jdk16",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to version 1.66 or above.",
          "title": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
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            "https://nvd.nist.gov/vuln/detail/CVE-2020-15522",
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          "uuid": "250ddc00-f5cd-4637-be2e-df7624ce78ac"
        },
        {
          "affected_range": "(,1.8.7)",
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          "package_slug": "nuget/BouncyCastle",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to version 1.8.7 or above.",
          "title": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
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            "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522",
            "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522",
            "https://security.netapp.com/advisory/ntap-20210622-0007/",
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        }
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              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522"
            },
            {
              "name": "https://www.bouncycastle.org/releasenotes.html",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://www.bouncycastle.org/releasenotes.html"
            },
            {
              "name": "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210622-0007/",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://security.netapp.com/advisory/ntap-20210622-0007/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2021-06-22T09:15Z",
      "publishedDate": "2021-05-20T12:15Z"
    }
  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.