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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
commit | 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 (patch) | |
tree | 314a15dd1aa103da13bdc83ba1d2105a290bc5ba /tests/exportfunc.tests | |
parent | Initial commit. (diff) | |
download | bash-upstream/5.0.tar.xz bash-upstream/5.0.zip |
Adding upstream version 5.0.upstream/5.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tests/exportfunc.tests | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tests/exportfunc.tests b/tests/exportfunc.tests new file mode 100644 index 0000000..f5ef54f --- /dev/null +++ b/tests/exportfunc.tests @@ -0,0 +1,71 @@ +# 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 + +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;}<<`perl -e '{print "A"x100000}'` 0" ${THIS_SH} -c foo 2>/dev/null +${THIS_SH} -c "f(){ x(){ _;}; x(){ _;}<<a;}" 2>/dev/null + +# 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 |