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.

Impacted products
Name purl
rsa pkg:pypi/rsa
Aliases


To clipboard 

{
  "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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