ghsa-hmq6-3hm7-3h78
Vulnerability from github
Published
2025-02-12 00:32
Modified
2025-02-13 00:33
Details

In hostapd 2.10 and earlier, the PKEX code remains active even after a successful PKEX association. An attacker that successfully bootstrapped public keys with another entity using PKEX in the past, will be able to subvert a future bootstrapping by passively observing public keys, re-using the encrypting element Qi and subtracting it from the captured message M (X = M - Qi). This will result in the public ephemeral key X; the only element required to subvert the PKEX association.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2022-37660"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-323"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-11T23:15:08Z",
    "severity": "MODERATE"
  },
  "details": "In hostapd 2.10 and earlier, the PKEX code remains active even after a successful PKEX association. An attacker that successfully bootstrapped public keys with another entity using PKEX in the past, will be able to subvert a future bootstrapping by passively observing public keys, re-using the encrypting element Qi and subtracting it from the captured message M (X = M - Qi). This will result in the public ephemeral key X; the only element required to subvert the PKEX association.",
  "id": "GHSA-hmq6-3hm7-3h78",
  "modified": "2025-02-13T00:33:02Z",
  "published": "2025-02-12T00:32:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-37660"
    },
    {
      "type": "WEB",
      "url": "https://link.springer.com/article/10.1007/s10207-025-00988-3"
    },
    {
      "type": "WEB",
      "url": "https://w1.fi/cgit/hostap/commit/?id=15af83cf1846870873a011ed4d714732f01cd2e4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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