# This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # # normal operation foo() { echo exportfunc ok 1 } export -f foo ${THIS_SH} -c foo unset -f foo foo-a () { echo exportfunc ok 2 } export -f foo-a ${THIS_SH} -c 'foo-a' # CVE-2014-6271 env -i BASH_FUNC_foo%%='() { echo cve6271 ok; } ; echo BAD' ${THIS_SH} -c foo 2>/dev/null # CVE-2014-7169 rm -f cve7169-bad env -i BASH_FUNC_X%%='() { (a)=>\' ${THIS_SH} -c cve7169-bad 2>/dev/null : < cve7169-bad rm -f cve7169-bad echo cve7169-bad2 > $TMPDIR/bar rm -f cve7169-bad2 eval 'X() { (a)>\' ; . ./bar 2>/dev/null : < cve7169-bad2 rm -f cve7169-bad2 $TMPDIR/bar # CVE-2014-7186 ${THIS_SH} ./exportfunc1.sub # CVE-2014-7187 ${THIS_SH} ./exportfunc2.sub # CVE-2014-6277 A100=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A1000=${A100} for (( i = 0; i < 999; i++ )) do A1000+=${A100} done env BASH_FUNC_foo%%="() { 000(){>0;}&000(){ 0;}<<0 0" ${THIS_SH} -c foo 2>/dev/null env BASH_FUNC_foo%%="() { 000(){>0;}&000(){ 0;}<<${A1000} 0" ${THIS_SH} -c foo 2>/dev/null ${THIS_SH} -c "f(){ x(){ _;}; x(){ _;}</dev/null unset A100 A1000 # CVE-2014-6278 env 'BASH_FUNC_FOO%%=() { 0;}>r[0${$(}0 {>"$(id >/dev/tty)"; }' ${THIS_SH} -c : 2>/dev/null rm -f HELLO_WORLD env BASH_FUNC_FOO%%='() { 0;}>r[0${$(}0 {>HELLO_WORLD; }' ${THIS_SH} -c : 2>/dev/null : < HELLO_WORLD env BASH_FUNC_x%%='() { _;}>_[$($())] { echo vuln;}' ${THIS_SH} -c : 2>/dev/null env -i BASH_FUNC_x%%='() { _; } >_[${ $() }] { id; }' ${THIS_SH} -c : 2>/dev/null env BASH_FUNC_x%%=$'() { _;}>_[$($())]\n{ echo vuln;}' ${THIS_SH} -c : 2>/dev/null eval 'x() { _;}>_[$($())] { echo vuln;}' 2>/dev/null eval 'foo() { _; } >_[${ $() }] ;{ echo eval ok; }' # other tests fixed in bash43-030 concerning function name transformation env $'BASH_FUNC_\nfoo%%=() { echo transform-1; }' ${THIS_SH} -c foo 2>/dev/null env $'BASH_FUNC_foo\n%%=() { echo transform-2; }' ${THIS_SH} -c foo 2>/dev/null env $'BASH_FUNC_ foo %%=() { echo transform-3; }' ${THIS_SH} -c foo 2>/dev/null unset -f foo env $'BASH_FUNC_#badname%%'=$'() { :; }\nfoo () { echo transform-4; } ' ${THIS_SH} -c 'foo' 2>/dev/null # tests of exported names ${THIS_SH} ./exportfunc3.sub