diff options
| -rw-r--r-- | lib/util/asn1.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/util/asn1.c b/lib/util/asn1.c index 2a71f2f79d..21d4bd4308 100644 --- a/lib/util/asn1.c +++ b/lib/util/asn1.c @@ -221,10 +221,12 @@ bool ber_write_OID_String(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, const char *OID) char *newp; int i; + if (!isdigit(*p)) return false; v = strtoul(p, &newp, 10); if (newp[0] != '.') return false; p = newp + 1; + if (!isdigit(*p)) return false; v2 = strtoul(p, &newp, 10); if (newp[0] != '.') return false; p = newp + 1; @@ -237,9 +239,12 @@ bool ber_write_OID_String(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, const char *OID) i = 1; while (*p) { + if (!isdigit(*p)) return false; v = strtoul(p, &newp, 10); if (newp[0] == '.') { p = newp + 1; + /* check for empty last component */ + if (!*p) return false; } else if (newp[0] == '\0') { p = newp; } else { |