GHSA-HGGM-JPG3-V476

Vulnerability from github – Published: 2020-10-27 20:33 – Updated: 2024-11-18 16:26
VLAI?
Summary
RSA decryption vulnerable to Bleichenbacher timing vulnerability
Details

RSA decryption was vulnerable to Bleichenbacher timing vulnerabilities, which would impact people using RSA decryption in online scenarios. This is fixed in cryptography 3.2.

Severity ?
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "cryptography"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-25659"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-385"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-10-27T20:32:44Z",
    "nvd_published_at": "2021-01-11T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "RSA decryption was vulnerable to Bleichenbacher timing vulnerabilities, which would impact people using RSA decryption in online scenarios. This is fixed in cryptography 3.2. ",
  "id": "GHSA-hggm-jpg3-v476",
  "modified": "2024-11-18T16:26:10Z",
  "published": "2020-10-27T20:33:13Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pyca/cryptography/security/advisories/GHSA-hggm-jpg3-v476"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25659"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pyca/cryptography/pull/5507"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pyca/cryptography/commit/58494b41d6ecb0f56b7c5f05d5f5e3ca0320d494"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-hggm-jpg3-v476"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pyca/cryptography"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/cryptography/PYSEC-2021-62.yaml"
    },
    {
      "type": "WEB",
      "url": "https://pypi.org/project/cryptography"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "RSA decryption vulnerable to Bleichenbacher timing vulnerability"
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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