mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-26 00:45:41 +01:00
Move a buffer size test before the first relevant read
This commit is contained in:
parent
80aa3b8d65
commit
fe60132305
@ -574,6 +574,9 @@ static int x509_get_crt_ext( unsigned char **p,
|
||||
end_ext_data = *p + len;
|
||||
|
||||
/* Get extension ID */
|
||||
if( ( end - *p ) < 1 )
|
||||
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS +
|
||||
MBEDTLS_ERR_ASN1_OUT_OF_DATA );
|
||||
extn_oid.tag = **p;
|
||||
|
||||
if( ( ret = mbedtls_asn1_get_tag( p, end, &extn_oid.len, MBEDTLS_ASN1_OID ) ) != 0 )
|
||||
@ -582,10 +585,6 @@ static int x509_get_crt_ext( unsigned char **p,
|
||||
extn_oid.p = *p;
|
||||
*p += extn_oid.len;
|
||||
|
||||
if( ( end - *p ) < 1 )
|
||||
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS +
|
||||
MBEDTLS_ERR_ASN1_OUT_OF_DATA );
|
||||
|
||||
/* Get optional critical */
|
||||
if( ( ret = mbedtls_asn1_get_bool( p, end_ext_data, &is_critical ) ) != 0 &&
|
||||
( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) )
|
||||
|
Loading…
Reference in New Issue
Block a user