{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-13939",
        "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "state": "PUBLISHED",
        "assignerShortName": "CPANSec",
        "dateReserved": "2025-03-26T14:18:41.024Z",
        "datePublished": "2025-03-28T02:05:01.416Z",
        "dateUpdated": "2025-03-28T14:08:55.354Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://cpan.org/modules",
                    "defaultStatus": "unaffected",
                    "packageName": "String-Compare-ConstantTime",
                    "product": "String::Compare::ConstantTime",
                    "programFiles": [
                        "ConstantTime.xs"
                    ],
                    "programRoutines": [
                        {
                            "name": "equals()"
                        }
                    ],
                    "repo": "https://github.com/hoytech/String-Compare-ConstantTime",
                    "vendor": "FRACTAL",
                    "versions": [
                        {
                            "lessThanOrEqual": "0.321",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Robert Rothenberg"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "String::Compare::ConstantTime for Perl through 0.321 is vulnerable to timing attacks that allow an attacker to guess the length of a secret string.<br><br>As stated in the documentation: \"If the lengths of the strings are different, because equals returns false right away the size of the secret string may be leaked (but not its contents).\"<br><br>This is similar to&nbsp;CVE-2020-36829<br><br><br>"
                        }
                    ],
                    "value": "String::Compare::ConstantTime for Perl through 0.321 is vulnerable to timing attacks that allow an attacker to guess the length of a secret string.\n\nAs stated in the documentation: \"If the lengths of the strings are different, because equals returns false right away the size of the secret string may be leaked (but not its contents).\"\n\nThis is similar to CVE-2020-36829"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-208",
                            "description": "CWE-208 Observable Timing Discrepancy",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
                "shortName": "CPANSec",
                "dateUpdated": "2025-03-28T02:05:01.416Z"
            },
            "references": [
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://metacpan.org/release/FRACTAL/String-Compare-ConstantTime-0.321/view/lib/String/Compare/ConstantTime.pm#TIMING-SIDE-CHANNEL"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "String::Compare::ConstantTime for Perl through 0.321 is vulnerable to timing attacks that allow an attacker to guess the length of a secret string",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.5,
                            "attackVector": "NETWORK",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-03-28T14:08:00.787015Z",
                                "id": "CVE-2024-13939",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-03-28T14:08:55.354Z"
                }
            }
        ]
    }
}