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
Show details on source website
To clipboard 

{
  "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"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.