Vulnerability-Lookup

GHSA-4C4W-3Q45-HP9J

Vulnerability from github – Published: 2017-10-24 18:33 – Updated: 2023-01-25 22:56

Summary

Aescrypt does not sufficiently use random values

Details

The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the AESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack.

Severity

7.5 (High)


                  
                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "aescrypt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2013-7463"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-330"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T20:58:06Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the AESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack.",
  "id": "GHSA-4c4w-3q45-hp9j",
  "modified": "2023-01-25T22:56:46Z",
  "published": "2017-10-24T18:33:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-7463"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Gurpartap/aescrypt/issues/4"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Gurpartap/aescrypt"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/aescrypt/CVE-2013-7463.yml"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20200227173428/http://www.securityfocus.com/bid/98035"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Aescrypt does not sufficiently use random values"
}

CVE-2013-7463 (GCVE-0-2013-7463)

Vulnerability from cvelistv5 – Published: 2017-04-19 17:00 – Updated: 2024-08-06 18:09

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2338 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/Gurpartap/aescrypt/issues/4	x_refsource_MISC
http://www.securityfocus.com/bid/98035	vdb-entryx_refsource_BID

Date Public

2017-04-19 00:00

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          "dateUpdated": "2024-08-06T18:09:16.643Z",
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              "x_transferred"
            ],
            "url": "https://github.com/Gurpartap/aescrypt/issues/4"
          },
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            "tags": [
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            ],
            "url": "http://www.securityfocus.com/bid/98035"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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      "providerMetadata": {
        "dateUpdated": "2017-04-27T09:57:01.000Z",
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        },
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          "tags": [
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            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/98035"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2013-7463",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
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        "problemtype": {
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        "references": {
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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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.

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