gsd-2020-25658
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.
Aliases
Aliases
CVE-2020-25658


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-25658",
    "description": "It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.",
    "id": "GSD-2020-25658",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-25658.html",
      "https://access.redhat.com/errata/RHSA-2021:0637",
      "https://access.redhat.com/errata/RHSA-2020:5634",
      "https://advisories.mageia.org/CVE-2020-25658.html",
      "https://access.redhat.com/errata/RHSA-2022:1716"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-25658"
      ],
      "details": "It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.",
      "id": "GSD-2020-25658",
      "modified": "2023-12-13T01:21:57.166572Z",
      "schema_version": "1.4.0"
    }
  },
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                    "version": {
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                        {
                          "version_affected": "=",
                          "version_value": "after 3.0 (inclusive)"
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                      ]
                    }
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                ]
              },
              "vendor_name": "Sybren A. St\u00fcvel"
            }
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      "impact": {
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            "attackComplexity": "LOW",
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            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
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          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25658",
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          },
          {
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      }
    },
    "gitlab.com": {
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          "affected_versions": "All versions starting from 2.1 before 4.7",
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          "cwe_ids": [
            "CWE-1035",
            "CWE-327",
            "CWE-937"
          ],
          "date": "2021-09-25",
          "description": "It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.",
          "fixed_versions": [
            "4.7"
          ],
          "identifier": "CVE-2020-25658",
          "identifiers": [
            "CVE-2020-25658"
          ],
          "not_impacted": "All versions before 2.1, all versions starting from 4.7",
          "package_slug": "pypi/rsa",
          "pubdate": "2020-11-12",
          "solution": "Upgrade to version 4.7 or above.",
          "title": "Use of a Broken or Risky Cryptographic Algorithm",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-25658",
            "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25658",
            "https://github.com/sybrenstuvel/python-rsa/issues/165"
          ],
          "uuid": "460c371d-552b-4287-8a6d-f8138d851ceb"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
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            "children": [],
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      "cve": {
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            }
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        "problemtype": {
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              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25658",
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      },
      "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",
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          "exploitabilityScore": 2.2,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-02-12T23:40Z",
      "publishedDate": "2020-11-12T14:15Z"
    }
  }
}


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