ghsa-944j-8ch6-rf6x
Vulnerability from github
Published
2024-02-05 21:30
Modified
2024-02-05 22:41
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
m2crypto Bleichenbacher timing attack - incomplete fix for CVE-2020-25657
Details

A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "m2crypto"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.40.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-50781"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-208"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-05T22:41:57Z",
    "nvd_published_at": "2024-02-05T21:15:10Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.",
  "id": "GHSA-944j-8ch6-rf6x",
  "modified": "2024-02-05T22:41:57Z",
  "published": "2024-02-05T21:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-50781"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-50781"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254426"
    },
    {
      "type": "PACKAGE",
      "url": "https://gitlab.com/m2crypto/m2crypto"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/m2crypto/m2crypto/-/issues/342"
    }
  ],
  "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"
    }
  ],
  "summary": "m2crypto Bleichenbacher timing attack - incomplete fix for CVE-2020-25657"
}


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