joi: quadratic-time split in `string().email({ multiple: true })` allows denial of service
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| hapijs | joi | affected |
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| @hapi | joi | affected |
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| Source | ID | Title |
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Github GHSA |
GHSA-4528-x5fx-h6hg | joi: quadratic-time split in `string().email({ multiple: true })` allows denial of service |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.467% probability within 30 days)
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ssvc
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| First Time appeared |
Hapijs
Hapijs joi |
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Hapijs
Hapijs joi |
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threat_severity
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threat_severity
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| Description | joi is a schema description language and data validator for JavaScript. From 17.1.1 until 17.13.9 and 18.3.1, the Joi.string().email({ multiple: true }) rule uses a separator regular expression whose leading whitespace quantifier is retried at every position in a long whitespace run that contains no separator, causing quadratic work during String.prototype.split. The behavior applies to the default separator and every custom separator. Applications that validate attacker-controlled values with the multiple option and no effective prior length limit can have the Node.js event loop blocked for seconds by one request, preventing other work. A .max() rule is not sufficient when abortEarly: false allows the email rule to run after the maximum-length check fails. This vulnerability is fixed in versions 17.13.9 and 18.3.1. | |
| Title | joi: quadratic-time split in `string().email({ multiple: true })` allows denial of service | |
| Weaknesses | CWE-1333 | |
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| Metrics |
cvssV3_1
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