GHSA-3494-CFWF-56HW

Vulnerability from github – Published: 2024-04-28 00:30 – Updated: 2024-11-04 21:24
VLAI?
Summary
mdanter/ecc affected by timing vulnerability in cryptographic side-channels
Details

phpecc, as used in all versions of mdanter/ecc, as well as paragonie/ecc before 2.0.1, has a branch-based timing leak in Point addition. (This Composer package is also known as phpecc/phpecc on GitHub, previously known as the Matyas Danter ECC library.)

Paragon Initiative Enterprises hard-forked phpecc/phpecc and discovered the issue in the original code, then released v2.0.1 which fixes the vulnerability. The upstream code is no longer maintained and remains vulnerable for all versions.

Severity ?
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "paragonie/ecc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "mdanter/ecc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-33851"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2024-05-10T21:49:12Z",
    "nvd_published_at": "2024-04-27T22:15:08Z",
    "severity": "MODERATE"
  },
  "details": "phpecc, as used in **all versions** of mdanter/ecc, as well as paragonie/ecc before 2.0.1, has a branch-based timing leak in Point addition. (This Composer package is also known as phpecc/phpecc on GitHub, previously known as the Matyas Danter ECC library.)\n\nParagon Initiative Enterprises [hard-forked phpecc/phpecc](https://github.com/phpecc/phpecc/issues/289) and discovered the issue in the original code, then released v2.0.1 which fixes the vulnerability. [The upstream code](https://github.com/phpecc/phpecc) is no longer maintained and remains vulnerable for all versions.",
  "id": "GHSA-3494-cfwf-56hw",
  "modified": "2024-11-04T21:24:44Z",
  "published": "2024-04-28T00:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-33851"
    },
    {
      "type": "WEB",
      "url": "https://github.com/phpecc/phpecc/issues/289"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/mdanter/ecc/CVE-2024-33851.yaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/paragonie/phpecc/releases/tag/v2.0.0"
    },
    {
      "type": "WEB",
      "url": "https://github.com/paragonie/phpecc/releases/tag/v2.0.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "mdanter/ecc affected by timing vulnerability in cryptographic side-channels"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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