undici vulnerable to TLS certificate validation bypass via dropped connect options in BalancedPool
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| undici | undici | unaffected |
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Configuration 1 [-]
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No data.
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| Undici | Undici |
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| Source | ID | Title |
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Github GHSA |
GHSA-w293-vg96-wgc3 | undici vulnerable to TLS certificate validation bypass via dropped connect options in BalancedPool |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.188% probability within 30 days)
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Nodejs
Nodejs undici |
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| CPEs | cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:* | |
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Nodejs
Nodejs undici |
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threat_severity
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threat_severity
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| First Time appeared |
Undici
Undici undici |
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| Vendors & Products |
Undici
Undici undici |
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ssvc
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| Description | undici's BalancedPool constructor passes its entire options object through an internal deep-clone that serializes and reparses the value as JSON. Because JSON cannot represent functions, any function-valued TLS option, such as a caller-supplied checkServerIdentity callback or a custom connector inside the connect option, is silently discarded before it reaches the TLS layer. As a result a peer whose certificate the application's custom checkServerIdentity was written to reject, but which still passes Node's default hostname and chain checks, is accepted when reached through BalancedPool. The Client, Pool, and Agent dispatchers are not affected because they extract the connect and tls options before cloning. This affects undici versions from 7.24.1 up to 7.29.1 and from 8.0.0 up to 8.10.2, and only when the application supplies a function-valued connect or tls option to BalancedPool. Users should upgrade to undici 7.29.1 or 8.10.2. | |
| Title | undici vulnerable to TLS certificate validation bypass via dropped connect options in BalancedPool | |
| Weaknesses | CWE-295 | |
| References |
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| Metrics |
cvssV3_1
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