The name length limit check in x509_name_ex_d2i() includes
the containing structure as well as the actual X509_NAME. This will
cause large CRLs to be rejected.
Fix by limiting the length passed to ASN1_item_ex_d2i() which will
then return an error if the passed X509_NAME exceeds the length.
RT#4531
Reviewed-by: Rich Salz <rsalz@openssl.org>
int i, j, ret;
STACK_OF(X509_NAME_ENTRY) *entries;
X509_NAME_ENTRY *entry;
- if (len > X509_NAME_MAX) {
- ASN1err(ASN1_F_X509_NAME_EX_D2I, ASN1_R_TOO_LONG);
- return 0;
- }
+ if (len > X509_NAME_MAX)
+ len = X509_NAME_MAX;
q = p;
/* Get internal representation of Name */