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GHSA-8RJR-6QQ5-PJ9P

Vulnerability from github – Published: 2022-05-14 00:59 – Updated: 2024-10-21 21:53
VLAI
Summary
Python RSA allows attackers to spoof signatures
Details

The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack.

Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "rsa"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2016-1494"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-347"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-28T20:46:52Z",
    "nvd_published_at": "2016-01-13T15:59:00Z",
    "severity": "MODERATE"
  },
  "details": "The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack.",
  "id": "GHSA-8rjr-6qq5-pj9p",
  "modified": "2024-10-21T21:53:43Z",
  "published": "2022-05-14T00:59:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-1494"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sybrenstuvel/python-rsa/commit/ab5d21c3b554f926d51ff3ad9c794bcf32e95b3c"
    },
    {
      "type": "WEB",
      "url": "https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff"
    },
    {
      "type": "WEB",
      "url": "https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/rsa/PYSEC-2016-10.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sybrenstuvel/python-rsa"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20210123020914/http://www.securityfocus.com/bid/79829"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/05/1"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/05/3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Python RSA allows attackers to spoof signatures"
}



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