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This commit is contained in:
David Tomaschik
2025-09-09 10:25:59 -07:00
parent dea3f289c2
commit f2faccd93f
5 changed files with 68 additions and 21 deletions
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14
bin/checksec.sh
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@@ -835,14 +835,14 @@ case "$1" in
fi
cd /proc
N=$2
if [ -d $N ] ; then
if [ -d "$N" ] ; then
# read permissions?
if [ ! -r $N/exe ] ; then
if [ ! -r "$N/exe" ] ; then
if !(root_privs) ; then
printf "\033[31mNo read permissions for '/proc/$N/exe' (run as root).\033[m\n\n"
printf "\033[31mNo read permissions for '/proc/%s/exe' (run as root).\033[m\n\n" "$N"
exit 1
fi
if [ ! `readlink $N/exe` ] ; then
if [ ! "$(readlink "$N/exe")" ] ; then
printf "\033[31mPermission denied. Requested process ID belongs to a kernel thread.\033[m\n\n"
exit 1
fi
@@ -860,9 +860,9 @@ case "$1" in
printf "\033[31mError: libc not found.\033[m\n\n"
exit 1
fi
printf "* Process name (PID) : %s (%d)\n" `head -1 $N/status | cut -b 7-` $N
FS_chk_func_libc=( $(readelf -s $FS_libc | grep _chk@@ | awk '{ print $8 }' | cut -c 3- | sed -e 's/_chk@.*//') )
FS_functions=( $(readelf -s $2/exe | awk '{ print $8 }' | sed 's/_*//' | sed -e 's/@.*//') )
printf "* Process name (PID) : %s (%d)\n" "$(head -1 "$N/status" | cut -b 7-)" "$N"
FS_chk_func_libc=( $(readelf -s "$FS_libc" | grep _chk@@ | awk '{ print $8 }' | cut -c 3- | sed -e 's/_chk@.*//') )
FS_functions=( $(readelf -s "$2/exe" | awk '{ print $8 }' | sed 's/_*//' | sed -e 's/@.*//') )
FS_libc_check
FS_binary_check