CVE-2024-32962
CriticalSummary
Biblioteka xml-crypto, używana do cyfrowych podpisów i szyfrowania w Node.js, ma domyślną konfigurację, która nie sprawdza autoryzacji podpisującego. W efekcie, złośliwy aktor może ponownie podpisać dokument XML i przejść przez domyślne kontrole walidacji, co prowadzi do zaufania do dowolnego certyfikatu dostarczonego w elemencie `<KeyInfo />` dokumentu.
Risk Assessment
Organizacja jest narażona na ataki, w których złośliwi aktorzy mogą fałszować weryfikację podpisu, co może prowadzić do nieautoryzowanego dostępu lub manipulacji danymi. Brak odpowiedniej walidacji certyfikatów może skutkować poważnymi lukami w bezpieczeństwie.
Recommendation
Zaleca się skonfigurowanie biblioteki xml-crypto w taki sposób, aby wymuszała dodatkowe kroki walidacyjne dla certyfikatów oraz unikała polegania na domyślnych ustawieniach. Należy również rozważyć aktualizację do najnowszej wersji biblioteki, jeśli dostępna.
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Original NVD description (English source)
xml-crypto is an xml digital signature and encryption library for Node.js. In affected versions the default configuration does not check authorization of the signer, it only checks the validity of the signature per section 3.2.2 of the w3 xmldsig-core-20080610 spec. As such, without additional validation steps, the default configuration allows a malicious actor to re-sign an XML document, place the certificate in a `<KeyInfo />` element, and pass `xml-crypto` default validation checks. As a result `xml-crypto` trusts by default any certificate provided via digitally signed XML document's `<KeyInfo />`. `xml-crypto` prefers to use any certificate provided via digitally signed XML document's `<KeyInfo />` even if library was configured to use specific certificate (`publicCert`) for signature verification purposes. An attacker can spoof signature verification by modifying XML document and replacing existing signature with signature generated with malicious private key (created by attacke

