pysec-2020-100
Vulnerability from pysec
Published
2020-11-12 14:15
Modified
2021-11-11 23:07
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.




{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "rsa",
        "purl": "pkg:pypi/rsa"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.1"
            },
            {
              "fixed": "4.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0",
        "3.0.1",
        "3.1",
        "3.1.1",
        "3.1.2",
        "3.1.3",
        "3.1.4",
        "3.2",
        "3.2.1",
        "3.2.2",
        "3.2.3",
        "3.3",
        "3.4",
        "3.4.1",
        "3.4.2",
        "4.0",
        "4.1",
        "4.1.1",
        "4.2",
        "4.3",
        "4.4",
        "4.4.1",
        "4.5",
        "4.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2020-25658",
    "GHSA-xrx6-fmxq-rjj2"
  ],
  "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": "PYSEC-2020-100",
  "modified": "2021-11-11T23:07:45.968611Z",
  "published": "2020-11-12T14:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25658"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/sybrenstuvel/python-rsa/issues/165"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-xrx6-fmxq-rjj2"
    }
  ]
}


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