Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 8693] Invalid memory read in P1 dissector

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Stig Bjørlykke changed bug 8693

What	Removed	Added
CC		stig@bjorlykke.org

Comment # 3 on bug 8693 from Stig Bjørlykke

(In reply to comment #1)
> Could someone with some knowledge of this dissector
> (or ASN.1 dissectors) have a look?

This patch is not correct.

MTAName is used in a InternalTraceInformationElement, which uses the
"doing_address" functions, and setting "address_item = NULL" will terminate the
address gathering.

Does this patch work for you? 

--- asn1/p1/p1.cnf    (revision 49782)
+++ asn1/p1/p1.cnf    (working copy)
@@ -1156,6 +1156,7 @@
 #.FN_BODY InternalTraceInformationElement

     doing_address = TRUE;
+    address_item = NULL;

     %(DEFAULT_BODY)s

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