https://sourceware.org/bugzilla/show_bug.cgi?id=21320
Bug ID: 21320
Summary: eu-elflint: heap-based buffer overflow in check_group
(elflint.c)
Product: elfutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: tools
Assignee: unassigned at sourceware dot org
Reporter: ago at gentoo dot org
CC: elfutils-devel at sourceware dot org
Target Milestone: ---
Created attachment 9952
--> https://sourceware.org/bugzilla/attachment.cgi?id=9952&action=edit
stacktrace
On elfutils-0.168:
# eu-elflint -d $FILE
READ of size 4 at 0x60200000efd0 thread T0
#0 0x41a39e in check_group
/tmp/portage/dev-libs/elfutils-0.168/work/elfutils-0.168/src/elflint.c:2664
Compiled with: gcc-6.3.0
Reproducer:
https://github.com/asarubbo/poc/blob/master/00247-elfutils-heapoverflow-check_group
Stacktrace attached.
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