Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/38098?format=api",
    "vulnerability_id": "VCID-5npf-xayn-6qfa",
    "summary": "Non-Constant Time String Comparison\ncsrf-lite uses `===`, a fail first string comparison, instead of a time constant string comparison. This enables an attacker being able to calculate minuscule differences in CSRF tokens, essentially enabling them to guess the token one character at a time Each check increases the variable `tempCheck` by one. If a malicious user is able to see what `tempCheck` is at each run (how long it takes to do a check), then they can see when it increases. This increase indicates that the character they just put in for `csrfTokenCompare` is the correct one.",
    "aliases": [
        {
            "alias": "GMS-2016-30"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/52663?format=api",
            "purl": "pkg:npm/csrf-lite@0.1.2",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/csrf-lite@0.1.2"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/52662?format=api",
            "purl": "pkg:npm/csrf-lite@0.1.1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-5npf-xayn-6qfa"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/csrf-lite@0.1.1"
        }
    ],
    "references": [
        {
            "reference_url": "https://github.com/isaacs/csrf-lite/pull/1",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://github.com/isaacs/csrf-lite/pull/1"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 1035,
            "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."
        },
        {
            "cwe_id": 937,
            "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."
        }
    ],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-5npf-xayn-6qfa"
}