[OpenWrt-Devel] MIPS stack security and other problems
dave at taht.net
Tue Dec 18 13:08:09 EST 2018
Going back to my ancient cerowrt box, the stack space is actively being
relocated on this version, but marked executable...
7f8d4000-7f8f5000 rwxp 00000000 00:00 0 [stack]
7fff7000-7fff8000 r-xp 00000000 00:00 0 [vdso]
but there doesn't appear to be a vfp area on this ancient version of
... so it it appears to me that the paper is correct - two mips
"bugfixes" arrived at almost exactly the same time. The first, fixed
executable stacks and heaps, which already did ASLR, the second added an
executable vfpu area in a fixed location. Sigh.
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