fast-uri vulnerable to scheme injection via an unescaped first-segment colon in suffix references
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| fast-uri | fast-uri | unaffected |
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| Fast-uri | Fast-uri |
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| Source | ID | Title |
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Github GHSA |
GHSA-333x-w4r6-6crp | fast-uri vulnerable to scheme injection via an unescaped first-segment colon in suffix references |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.302% probability within 30 days)
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ssvc
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| First Time appeared |
Fast-uri
Fast-uri fast-uri |
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| Vendors & Products |
Fast-uri
Fast-uri fast-uri |
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| Description | fast-uri is a dependency-free RFC 3986 URI parser and serializer for Node.js. In versions before 2.4.8, from 3.0.0 through 3.1.8, and from 4.0.0 through 4.2.2, when serialize(), normalize(), or resolve() are called with the non-default option reference set to suffix on a reference that has no authority, the emitted relative reference can contain a bare colon in its first path segment without escaping it, even though RFC 3986 forbids that because it makes the string reparse as an absolute URI with a scheme. An application that serializes or normalizes a relative reference with the suffix option and then treats the result as a URI can turn inert input into a live javascript, data, or vbscript URL, a cross-site scripting vector, and the equal() comparison can conflate a scheme-bearing reference with a relative one. Exposure is limited to applications using the non-default suffix reference option. The issue is fixed in fast-uri 2.4.8, 3.1.9, and 4.2.3, and users should upgrade to one of these versions or later. As a workaround, avoid the suffix reference option on untrusted input, or percent-encode a colon in the first path segment of the result before treating it as a URI. | |
| Title | fast-uri vulnerable to scheme injection via an unescaped first-segment colon in suffix references | |
| Weaknesses | CWE-116 CWE-41 CWE-79 |
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| References |
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| Metrics |
threat_severity
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cvssV3_1
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