Security implications of debugging features
Siddhesh Poyarekar
siddhesh@gotplt.org
Mon Jul 12 10:45:32 GMT 2021
On 7/12/21 4:11 PM, Florian Weimer wrote:
> * Siddhesh Poyarekar:
>
>> OK, then how about just the first paragraph for now? I was trying to
>> write for a future where we have a way to, say, administratively
>> disable the debugging features but I guess we could add that in later.
>>
>> ~~~~~~~~~~
>> Debugging features
>>
>> glibc comes with a number of debugging features that allow developers
>> to isolate root causes of problems. Bugs in debugging features that
>> are enabled by explicitly compiling applications or glibc to use them
>> are not considered security vulnerabilities and will be treated as
>> regular bugs. Examples of such features are mcheck and mtrace, which
>> allow debugging and tracing of glibc malloc functions.
>> ~~~~~~~~~~
>
> It still needs to mention AT_SECURE, I think.
Could you suggest text that you think should get added to cover this?
Thanks,
Siddhesh
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