giomba
/
opensc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fixed invalid read 

fixes https://oss-fuzz.com/testcase-detail/5765246676631552
This commit is contained in:
Frank Morgner 2020-05-18 17:25:32 +02:00
parent 96a7eca99a
commit ed55fcd299
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/libopensc/pkcs15-gemsafeGPK.c
View File

@ -205,7 +205,7 @@ static int sc_pkcs15emu_gemsafeGPK_init(sc_pkcs15_card_t *p15card)
u8 sysrec[7];
int num_keyinfo = 0;
keyinfo kinfo[8]; /* will look for 8 keys */
keyinfo kinfo[9]; /* will look for 9 keys */
u8 modulus_buf[ 1 + 1024 / 8]; /* tag+modulus */
u8 *cp;
char buf[256];
@ -255,9 +255,9 @@ static int sc_pkcs15emu_gemsafeGPK_init(sc_pkcs15_card_t *p15card)
/* There may be more then one key in the directory. */
/* we need to find them so we can associate them with the */
/* the certificate. The files are 0007 to 000f */
/* the certificate. The files are 0007 to 000F */
for (i = 7; i < 16; i++) {
for (i = 0x7; i <= 0xF; i++) {
path.value[0] = 0x00;
path.value[1] = i;
path.len = 2;
@ -297,7 +297,7 @@ static int sc_pkcs15emu_gemsafeGPK_init(sc_pkcs15_card_t *p15card)
while (j--)
*cp++ = modulus_buf[j + 1];
num_keyinfo++;
}
}
/* Get the gemsafe data with the cert */
sc_format_path("3F000200004", &path);