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Medium 5.9
KMS request injection via unsanitized key vault and provider values in libmongocrypt
libmongocrypt builds requests to external key management services (AWS, Azure and GCP) by inserting values from key vault documents, KMS provider configuration and KMS responses into request lines, headers and signed request bodies without validating or encod…
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Medium 4.3
Unrecognized payload acceptance in explicit decryption in MongoDB libmongocrypt
The explicit decryption component of MongoDB libmongocrypt can return an unrecognized encrypted payload unchanged instead of returning a decryption error. An actor who can modify stored encrypted fields, such as a database writer, server, or network intermedi…
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Medium 6.5
Application denial of service via malformed KMS endpoint in MongoDB libmongocrypt
An integer underflow in the KMS endpoint-parsing logic of MongoDB libmongocrypt can cause an allocation failure that terminates the application process. This can occur when an authenticated user modifies a key document in the key vault collection, or when an …
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Medium 4.2
Authenticated KMS request forgery via CRLF injection in GCP key identifier strings
An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side…
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Medium 6.5
Persistent client crash loop via undersized FLE2 insert-update ciphertext in decryption path
Improper handling of an unexpected value size in the decryption path of a client-side encryption library can cause a failed internal check that terminates the process using the library. A party able to place a suitably formed encrypted value where an applicat…
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Medium 4.4
Cross-tenant database retargeting via dot/NUL injection in namespace strings in libmongocrypt
A missing input-validation issue in MongoDB libmongocrypt's automatic-encryption context setup allows a caller-supplied database identifier to be accepted without sanitization. The resulting impact is limited to incorrect schema selection, which may lead to l…