GHSA-5G4R-2QHX-VQFM

Vulnerability from github – Published: 2022-06-06 21:22 – Updated: 2022-06-06 21:22
VLAI?
Summary
Use of Uninitialized Variable in trilogy
Details

Impact

When authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory.

Patches

Users of the trilogy gem should upgrade to version 2.1.1

Workarounds

This issue can be avoided by only connecting to trusted servers.

Acknowledgements

We would like to thank Sergei Volokitin for reporting this vulnerability

For more information

If you have any questions or comments about this advisory: * Open an issue in trilogy

Severity ?
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "trilogy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-31026"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-908"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-06T21:22:05Z",
    "nvd_published_at": "2022-06-09T13:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nWhen authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory.\n\n### Patches\n\nUsers of the trilogy gem should upgrade to version 2.1.1\n\n### Workarounds\n\nThis issue can be avoided by only connecting to trusted servers.\n\n### Acknowledgements \n\nWe would like to thank Sergei Volokitin for reporting this vulnerability\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [trilogy](https://github.com/github/trilogy)\n",
  "id": "GHSA-5g4r-2qhx-vqfm",
  "modified": "2022-06-06T21:22:05Z",
  "published": "2022-06-06T21:22:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/github/trilogy/security/advisories/GHSA-5g4r-2qhx-vqfm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31026"
    },
    {
      "type": "WEB",
      "url": "https://github.com/github/trilogy/commit/6bed62789eaf119902b0fe247d2a91d56c31a962"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/github/trilogy"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/trilogy/CVE-2022-31026.yml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Use of Uninitialized Variable in trilogy"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.