From 1996b79f376b459bb964a6344ca5f264e7d6e2ec Mon Sep 17 00:00:00 2001 From: Douglas Bagnall Date: Thu, 11 Feb 2021 17:05:14 +1300 Subject: [PATCH] CVE-2020-27840: pytests:segfault: add ldb.Dn validate test ldb.Dn.validate wraps ldb_dn_explode. BUG: https://bugzilla.samba.org/show_bug.cgi?id=14595 Signed-off-by: Douglas Bagnall Reviewed-by: Andrew Bartlett --- python/samba/tests/segfault.py | 6 ++++++ selftest/knownfail.d/python-segfaults | 1 + 2 files changed, 7 insertions(+) diff --git a/python/samba/tests/segfault.py b/python/samba/tests/segfault.py index c6e17ed6ead..cf450a4a1aa 100644 --- a/python/samba/tests/segfault.py +++ b/python/samba/tests/segfault.py @@ -184,3 +184,9 @@ class SegfaultTests(samba.tests.TestCase): def test_dcerpc_idl_inline_arrays(self): """Inline arrays were incorrectly handled.""" dnsserver.DNS_RPC_SERVER_INFO_DOTNET().pExtensions + + @segfault_detector + def test_ldb_dn_explode_crash(self): + for i in range(106, 550, 5): + dn = ldb.Dn(ldb.Ldb(), "a=b%s,c= " % (' ' * i)) + dn.validate() diff --git a/selftest/knownfail.d/python-segfaults b/selftest/knownfail.d/python-segfaults index 1be0566dcb1..524f7dd013b 100644 --- a/selftest/knownfail.d/python-segfaults +++ b/selftest/knownfail.d/python-segfaults @@ -1 +1,2 @@ samba.tests.segfault.samba.tests.segfault.SegfaultTests.test_net_replicate_init__3 +samba.tests.segfault.samba.tests.segfault.SegfaultTests.test_ldb_dn_explode_crash -- 2.47.3