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CVE-2020-10704: lib util asn1: Check parse tree depth
authorGary Lockyer <gary@catalyst.net.nz>
Wed, 8 Apr 2020 03:30:52 +0000 (15:30 +1200)
committerKarolin Seeger <kseeger@samba.org>
Wed, 22 Apr 2020 10:50:42 +0000 (12:50 +0200)
commit16da9c6e3d87d11e358441804dc7ff842eb5a9e7
treee9ab8d42d59c7d597a3fc8854a37d796b676ac6ctree | snapshot
parent74986c179ea66d1cefda3ff6bb6338b618da451fcommit | diff
CVE-2020-10704: lib util asn1: Check parse tree depth

Check the current depth of the parse tree and reject the input if the
depth exceeds that passed to asn1_init

Credit to OSS-Fuzz

REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20454
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14334

Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
lib/util/asn1.c diff | blob | blame | history
selftest/knownfail.d/ldap_message [deleted file] blob | blame | history
Mirror of https://github.com/samba-team/samba.git