Improve asn1 keyword handling of a malformed asn1 state.

14 years ago · 0fd71c45c5
parent 9b437caaea
commit 0fd71c45c5
1 changed files with 1 additions and 1 deletions
--- a/src/detect-asn1.c
+++ b/src/detect-asn1.c
@ -165,7 +165,7 @@ int DetectAsn1Match(ThreadVars *t, DetectEngineThreadCtx *det_ctx, Packet *p,

    /* Ok, now we have all the data. Let's check the nodes */

-    if (ac->cur_frame > 0 || ac->asn1_stack[0]->id.ptr != NULL) {
+    if (ac->cur_frame > 0 || (ac->asn1_stack[0] != NULL && ac->asn1_stack[0]->id.ptr != NULL)) {
        /* We spect at least one node */
        uint16_t n_iter = 0;
        ret = 0;