How to fix: IPA BINARY CODE ANALYSIS in iOS swift

I am unable to identify the APIs such as _sscanf and others in my codebase.

It’s hard to offer concrete advice without knowing more about how this security audit tool works. However, I suspect it’s just looking at the symbols being imported by your Mach-O images (executables, frameworks, and dynamic libraries). If so, the first step is to identify which Mach-O is importing the symbol you’re concerned about. You can do that with nm.

Once you’ve found the right Mach-O image, the next step depends on how that image is built:

• If you’re building this Mach-O image yourself, use the techniques described in Using a Link Map to Track Down a Symbol’s Origin to work out where it’s coming from.

• If you’re using a dynamic library or framework built by some other developer, discuss this with the library’s vendor.

With regards that second point, one potential issue here is the Swift runtime libraries, when the vendor is Apple. There’s very little point contacting Apple about our libraries calling, say, malloc. So, if you track this down to an Apple library, my advice is that you discuss that finding with your security audit tool’s vendor.

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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