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[Bug libc/20616] Limit crypt rounds to avoid denial of service
- From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Mon, 30 Jan 2017 13:40:56 +0000
- Subject: [Bug libc/20616] Limit crypt rounds to avoid denial of service
- Auto-submitted: auto-generated
- References: <bug-20616-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=20616
Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
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CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I think this change is reasonable, the only details I am not sure is which
ROUNDS_MAX would the most suitable, mainly on slower CPUs. On ARMv7 Cortex-A15
using 9999999 rounds it took about 20s, which is high but still manageable.
Can you send this patch upstream?
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