libudfread | branch: master | Petri Hintukainen <[email protected]> | Sat Jun 24 20:00:30 2017 +0300| [bc8f0d7d6e7b28ea13cab739a420876af2fd317f] | committer: Petri Hintukainen
decode_logical_volume(): fix OOB read (corrupt input) > http://git.videolan.org/gitweb.cgi/libudfread.git/?a=commit;h=bc8f0d7d6e7b28ea13cab739a420876af2fd317f --- src/ecma167.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/ecma167.c b/src/ecma167.c index 6c71158..9c07c08 100644 --- a/src/ecma167.c +++ b/src/ecma167.c @@ -150,6 +150,11 @@ void decode_logical_volume(const uint8_t *p, struct logical_volume_descriptor *l map_size = sizeof(lvd->partition_map_table); } + /* input size is one block (2048 bytes) */ + if (map_size > 2048 - 440) { + map_size = 2048 - 440; + } + memcpy(lvd->partition_map_table, p + 440, map_size); } _______________________________________________ libbluray-devel mailing list [email protected] https://mailman.videolan.org/listinfo/libbluray-devel
