GSD-2013-7463

Vulnerability from gsd - Updated: 2013-10-01 00:00
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.
Aliases
Aliases
CVE-2013-7463
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{
  "GSD": {
    "alias": "CVE-2013-7463",
    "description": "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": "GSD-2013-7463"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "aescrypt",
            "purl": "pkg:gem/aescrypt"
          }
        }
      ],
      "aliases": [
        "CVE-2013-7463"
      ],
      "details": "The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the\nAESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to\ndefeat cryptographic protection mechanisms via a chosen plaintext attack.\n",
      "id": "GSD-2013-7463",
      "modified": "2013-10-01T00:00:00.000Z",
      "published": "2013-10-01T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://github.com/Gurpartap/aescrypt/issues/4"
        }
      ],
      "schema_version": "1.4.0",
      "summary": "Vulnerability in aescrypt because IV is not randomized"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2013-7463",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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      "data_type": "CVE",
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      "description": {
        "description_data": [
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            "lang": "eng",
            "value": "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."
          }
        ]
      },
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/Gurpartap/aescrypt/issues/4",
            "refsource": "MISC",
            "url": "https://github.com/Gurpartap/aescrypt/issues/4"
          },
          {
            "name": "98035",
            "refsource": "BID",
            "url": "http://www.securityfocus.com/bid/98035"
          }
        ]
      }
    },
    "github.com/rubysec/ruby-advisory-db": {
      "cve": "2013-7463",
      "date": "2013-10-01",
      "description": "The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the\nAESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to\ndefeat cryptographic protection mechanisms via a chosen plaintext attack.\n",
      "gem": "aescrypt",
      "title": "Vulnerability in aescrypt because IV is not randomized",
      "url": "https://github.com/Gurpartap/aescrypt/issues/4"
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "=1.0.0",
          "affected_versions": "Version 1.0.0",
          "credit": "Jens Finkhaeuser",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-330",
            "CWE-937"
          ],
          "date": "2017-04-28",
          "description": "`AESCrypt.encrypt` and `AESCrypt.decrypt` functions are not randomized with an Initialization Vector (IV), which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack.",
          "fixed_versions": [],
          "identifier": "CVE-2013-7463",
          "identifiers": [
            "CVE-2013-7463"
          ],
          "package_slug": "gem/aescrypt",
          "pubdate": "2017-04-19",
          "solution": "There is no solution for this vulnerability at the moment.",
          "title": "Encryption with no Initialization Vector",
          "urls": [
            "https://github.com/Gurpartap/aescrypt/issues/4"
          ],
          "uuid": "1aee5c89-5df9-42a8-a2fa-4790610a838d"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:aescrypt_project:aescrypt:*:*:*:*:*:ruby:*:*",
                "cpe_name": [],
                "versionEndIncluding": "1.0.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2013-7463"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-330"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/Gurpartap/aescrypt/issues/4",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://github.com/Gurpartap/aescrypt/issues/4"
            },
            {
              "name": "98035",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/98035"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": true,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2017-04-28T13:15Z",
      "publishedDate": "2017-04-19T17:59Z"
    }
  }
}



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