CRLF injection in HTTP/1 request line via unvalidated method in Mint
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| elixir-mint | mint | unaffected |
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| elixir-mint | mint | unaffected |
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| Elixir-mint | Mint |
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| Elixir-mint | Mint |
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| Elixir-mint | Mint |
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| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-2pg6-44cx-c49v | mint has potential CRLF injection in its HTTP request line via unvalidated `method`/`target` |
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.167% probability within 30 days)
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| Metrics |
ssvc
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| Description | Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in elixir-mint Mint allows HTTP Request Splitting and HTTP Request Smuggling. In lib/mint/http1/request.ex, the encode_request_line/2 function splices the caller-supplied method and target arguments directly into the HTTP/1 request line without any character validation: [method, ?\s, target, " HTTP/1.1\r\n"]. An application that forwards attacker-controlled input as the HTTP method or target to Mint.HTTP.request/5 is therefore exposed to request-line CRLF injection: the attacker can terminate the request line early, inject arbitrary headers, and smuggle an entirely separate pipelined HTTP request onto the same TCP connection. Mint 1.7.0 introduced validate_request_target/2, which rejects CRLF and other control characters in the target by default and closes the path/query vector unless the caller opts out via skip_target_validation: true. The method field remains unvalidated, so the method-based injection is exploitable under the default Mint configuration on all versions. This issue affects mint: from 0.1.0 before 1.9.0. | |
| Title | CRLF injection in HTTP/1 request line via unvalidated method in Mint | |
| First Time appeared |
Elixir-mint
Elixir-mint mint |
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| Weaknesses | CWE-93 | |
| CPEs | cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Elixir-mint
Elixir-mint mint |
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| References |
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| Metrics |
cvssV4_0
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