FKIE_CVE-2017-20230

Vulnerability from fkie_nvd - Published: 2026-04-21 16:16 - Updated: 2026-04-22 17:36
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.
References
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patchPatch
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://github.com/Perl/perl5/issues/15831Issue Tracking
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://metacpan.org/release/RURBAN/Storable-3.05/changesRelease Notes
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.htmlThird Party Advisory
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/04/21/5Mailing List
Impacted products
Vendor Product Version
nwclark storable *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nwclark:storable:*:*:*:*:*:perl:*:*",
              "matchCriteriaId": "53358ECF-29FE-4B4F-8189-38E0B3034C22",
              "versionEndExcluding": "3.05",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Storable versions before 3.05 for Perl has a stack overflow.\n\nThe retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow."
    }
  ],
  "id": "CVE-2017-20230",
  "lastModified": "2026-04-22T17:36:04.653",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-04-21T16:16:18.077",
  "references": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/Perl/perl5/issues/15831"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Release Notes"
      ],
      "url": "https://metacpan.org/release/RURBAN/Storable-3.05/changes"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2026/04/21/5"
    }
  ],
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "type": "Secondary"
    }
  ]
}


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