ghsa-xrx6-fmxq-rjj2
Vulnerability from github
Published
2021-04-30 17:35
Modified
2024-10-26 22:33
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
Summary
Timing attacks in python-rsa
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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "rsa"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.1"
            },
            {
              "fixed": "4.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-25658"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327",
      "CWE-385"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-04-20T17:11:41Z",
    "nvd_published_at": "2020-11-12T14:15:00Z",
    "severity": "HIGH"
  },
  "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": "GHSA-xrx6-fmxq-rjj2",
  "modified": "2024-10-26T22:33:21Z",
  "published": "2021-04-30T17:35:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25658"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sybrenstuvel/python-rsa/issues/165"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sybrenstuvel/python-rsa/commit/dae8ce0d85478e16f2368b2341632775313d41ed"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2020-25658"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1889972"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25658"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-xrx6-fmxq-rjj2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/rsa/PYSEC-2020-100.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sybrenstuvel/python-rsa"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2022:1716"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2021:0637"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SAF67KDGSOHLVFTRDOHNEAFDRSSYIWA"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APF364QJ2IYLPDNVFBOEJ24QP2WLVLJP"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QY4PJWTYSOV7ZEYZVMYIF6XRU73CY6O7"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2SAF67KDGSOHLVFTRDOHNEAFDRSSYIWA"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/APF364QJ2IYLPDNVFBOEJ24QP2WLVLJP"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QY4PJWTYSOV7ZEYZVMYIF6XRU73CY6O7"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2020:5634"
    }
  ],
  "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": "Timing attacks in python-rsa"
}


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