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| author | iive <iive@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2007-07-06 23:22:51 +0000 |
|---|---|---|
| committer | iive <iive@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2007-07-06 23:22:51 +0000 |
| commit | fd11b253b9d1e6dea4c7d5e818d35ad291e7545e (patch) | |
| tree | d9b491cc230a26af2fdd84610edb48dd246e2337 /libdvdcss | |
| parent | 71385409830459000759d50d041fc04893238837 (diff) | |
| download | mpv-fd11b253b9d1e6dea4c7d5e818d35ad291e7545e.tar.bz2 mpv-fd11b253b9d1e6dea4c7d5e818d35ad291e7545e.tar.xz | |
Fix crash on some DVDs
sprintf(tmp,"%.02x",(char)0xef); would print "ffffffef" instead of "ef",
in this case this leads to local array buffer overflow and hard to trace stack corruption.
The quick, easy & durty solution is to use (unsigned char) or (uint8_t)
Fixes Bugzilla 860 & 845
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23728 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libdvdcss')
| -rw-r--r-- | libdvdcss/libdvdcss.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libdvdcss/libdvdcss.c b/libdvdcss/libdvdcss.c index dcc777de70..90795d2b36 100644 --- a/libdvdcss/libdvdcss.c +++ b/libdvdcss/libdvdcss.c @@ -404,7 +404,8 @@ LIBDVDCSS_EXPORT dvdcss_t dvdcss_open ( char *psz_target ) uint8_t p_sector[DVDCSS_BLOCK_SIZE]; char psz_debug[PATH_MAX + 30]; char psz_key[1 + KEY_SIZE * 2 + 1]; - char *psz_title, *psz_serial; + char *psz_title; + uint8_t *psz_serial; int i; /* We read sector 0. If it starts with 0x000001ba (BE), we are @@ -462,7 +463,7 @@ LIBDVDCSS_EXPORT dvdcss_t dvdcss_open ( char *psz_target ) } /* Get the date + serial */ - psz_serial = (char *)p_sector + 813; + psz_serial = p_sector + 813; psz_serial[16] = '\0'; /* Check that all characters are digits, otherwise convert. */ |