github - ghsa-xpfq-7j72-x4px

ghsa-xpfq-7j72-x4px

Vulnerability from github

Published

2025-04-13 00:30

Modified

2025-09-05 15:31

Severity ?

4.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

Crypt::CBC versions between 1.21 and 3.04 for Perl may use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.

This issue affects operating systems where "/dev/urandom'" is unavailable. In that case, Crypt::CBC will fallback to use the insecure rand() function.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-2814"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-329",
      "CWE-338"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-13T00:15:14Z",
    "severity": "MODERATE"
  },
  "details": "Crypt::CBC versions between 1.21 and 3.04 for Perl may use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.\n\nThis issue affects operating systems where \"/dev/urandom\u0027\" is unavailable.\u00a0 In that case, Crypt::CBC will fallback to use the insecure rand() function.",
  "id": "GHSA-xpfq-7j72-x4px",
  "modified": "2025-09-05T15:31:06Z",
  "published": "2025-04-13T00:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2814"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lstein/Lib-Crypt-CBC/commit/37111f7cd894bcec46156ba7f40a49c126ebf535.patch"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/dist/Crypt-CBC/source/lib/Crypt/CBC.pm#L777"
    },
    {
      "type": "WEB",
      "url": "https://perldoc.perl.org/functions/rand"
    },
    {
      "type": "WEB",
      "url": "https://security.metacpan.org/docs/guides/random-data-for-security.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-2814 (GCVE-0-2025-2814)

Vulnerability from cvelistv5

Published

2025-04-12 23:41

Modified

2025-09-05 13:21

Severity ?

4.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
CWE-329 - Generation of Predictable IV with CBC Mode
CWE-331 - Insufficient Entropy

Summary

Crypt::CBC versions between 1.21 and 3.05 for Perl may use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions. This issue affects operating systems where "/dev/urandom'" is unavailable. In that case, Crypt::CBC will fallback to use the insecure rand() function.

References

▼	URL	Tags
	https://perldoc.perl.org/functions/rand
	https://metacpan.org/dist/Crypt-CBC/source/lib/Crypt/CBC.pm#L777
	https://security.metacpan.org/docs/guides/random-data-for-security.html
	https://github.com/lstein/Lib-Crypt-CBC/commit/37111f7cd894bcec46156ba7f40a49c126ebf535.patch	patch

Impacted products

	Vendor	Product	Version
	LDS	Crypt::CBC	Version: 1.21 <

Show details on NVD website

JSON

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    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "LOW",
              "baseScore": 4,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-2814",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-14T18:21:53.532777Z",
                "version": "2.0.3"
              },
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            }
          }
        ],
        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-338",
                "description": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)",
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                "type": "CWE"
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-14T18:22:27.371Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "Crypt-CBC",
          "product": "Crypt::CBC",
          "programFiles": [
            "lib/Crypt/CBC.pm"
          ],
          "repo": "https://github.com/lstein/Lib-Crypt-CBC",
          "vendor": "LDS",
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              "lessThanOrEqual": "3.05",
              "status": "affected",
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      "credits": [
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          "type": "finder",
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          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2025-09-05T13:21:32.700Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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      "references": [
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          "url": "https://perldoc.perl.org/functions/rand"
        },
        {
          "url": "https://metacpan.org/dist/Crypt-CBC/source/lib/Crypt/CBC.pm#L777"
        },
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          "url": "https://security.metacpan.org/docs/guides/random-data-for-security.html"
        },
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          "url": "https://github.com/lstein/Lib-Crypt-CBC/commit/37111f7cd894bcec46156ba7f40a49c126ebf535.patch"
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              "value": "Users should update to a fixed version, or apply the patch provided in the references section, or use a patched version provided by their OS distribution"
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        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
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  "cveMetadata": {
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    "cveId": "CVE-2025-2814",
    "datePublished": "2025-04-12T23:41:48.511Z",
    "dateReserved": "2025-03-26T13:51:26.476Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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