Untrusted data fed into `Data.init(base32Encoded:)` can result in exposing server memory and/or crash
### Impact A bug in the `Data.init(base32Encoded:)` function opens up the potential for exposing server memory and/or crashing the server (Denial of Service) for applications where untrusted data can end up in said function. Vapor does not currently use this function itself so this only impact applications that use the impacted function directly or through other dependencies. ### Patches This issue has been patched in 4.47.2. ### Workarounds Use an alternative to Vapor's built-in `Data.init(base32Encoded:)`. ### For more information If you have any questions or comments about this advisory: * Open an issue in [Vapor](https://github.com/vapor/vapor) * Ask in [Discord](http://vapor.team)
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-32742US | critical9.1 | — | ||
Vapor is a web framework for Swift. In versions 4.47.1 and prior, bug in the `Data.init(base32Encoded:)` function opens up the potential for exposing server memory and/or crashing… | ||||
references
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