aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/asn1/a_bitstr.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/asn1/a_bitstr.c')
-rw-r--r--crypto/asn1/a_bitstr.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/crypto/asn1/a_bitstr.c b/crypto/asn1/a_bitstr.c
index 34179960b87a..4117a67dc36f 100644
--- a/crypto/asn1/a_bitstr.c
+++ b/crypto/asn1/a_bitstr.c
@@ -136,11 +136,16 @@ ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a,
p= *pp;
i= *(p++);
+ if (i > 7)
+ {
+ i=ASN1_R_INVALID_BIT_STRING_BITS_LEFT;
+ goto err;
+ }
/* We do this to preserve the settings. If we modify
* the settings, via the _set_bit function, we will recalculate
* on output */
ret->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); /* clear */
- ret->flags|=(ASN1_STRING_FLAG_BITS_LEFT|(i&0x07)); /* set */
+ ret->flags|=(ASN1_STRING_FLAG_BITS_LEFT|i); /* set */
if (len-- > 1) /* using one because of the bits left byte */
{