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path: root/main/openssl/crypto/asn1/a_bitstr.c
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Diffstat (limited to 'main/openssl/crypto/asn1/a_bitstr.c')
-rw-r--r--main/openssl/crypto/asn1/a_bitstr.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/main/openssl/crypto/asn1/a_bitstr.c b/main/openssl/crypto/asn1/a_bitstr.c
index 34179960..4117a67d 100644
--- a/main/openssl/crypto/asn1/a_bitstr.c
+++ b/main/openssl/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 */
{