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Unhandled exception at 0x004edf60 in mirc.exe #53960 12/10/03 05:12 PM
Joined: Dec 2002 Posts: 9 A accessx OP Nutrimatic drinks dispenser
OP accessx Nutrimatic drinks dispenser A Joined: Dec 2002 Posts: 9	mIRC keeps crashing at random times...( while connected to a server ) "Unhandled exception at 0x004edf60 in mirc.exe: 0xC0000005: Access violation reading location 0x00000011." ---> 004EDF60 mov bl,byte ptr [eax] 004EDF62 test bl,bl 004EDF64 jne 004EDEB5 004EDF6A mov byte ptr [ebp],0 004EDF6E pop edi 004EDF6F pop esi I will reset my machine and try to find the cause... mIRC Version 6.11 Win Xp Pro Sp 1 P4 2.59ghz 512MB ram

Re: Unhandled exception at 0x004edf60 in mirc.exe #53961 12/10/03 08:09 PM
Joined: Jun 2003 Posts: 5,024 London, England M Mentality Hoopy frood
Mentality Hoopy frood M Joined: Jun 2003 Posts: 5,024 London, England	I doubt that's anything to do with mIRC directly, despite it specifying mirc.exe - I'm using v6.11 too on Win XP Pro SP1...and I've never had any problems thus far. Perhaps other programs are conflicting with it? Have you tried running mIRC on it's own without other programs running? And does this happen as soon as you start mIRC up, or after mIRC has been running for awhile..or is it just completely random? You may also like to run a virus scan just to be safe, I used to have Illegal Operations occuring with my mIRC a couple of years ago and I actually had a virus. Perhaps someone will, hopefully, understand all that Windows jargon :P Good luck. Regards, Mentality/Chris

Re: Unhandled exception at 0x004edf60 in mirc.exe #53962 12/10/03 09:41 PM
Joined: Jun 2003 Posts: 384 D DekuHaze Fjord artisan
DekuHaze Fjord artisan D Joined: Jun 2003 Posts: 384	This has all the classic hallmarks of a RAM problem. I suggest you find a program that can run a deep probe of your RAM

Re: Unhandled exception at 0x004edf60 in mirc.exe #53963 12/10/03 09:54 PM
Joined: Dec 2002 Posts: 9 A accessx OP Nutrimatic drinks dispenser
OP accessx Nutrimatic drinks dispenser A Joined: Dec 2002 Posts: 9	No ram problem.. using corisar xms pc3200 .. ram is good.. I'll keep a log to see what the last occured in mirc before it crashes (make sure it's not a remote vul).. The machine has been reset.... I'll try a fresh install too..

Re: Unhandled exception at 0x004edf60 in mirc.exe #53964 12/10/03 09:57 PM
Joined: Jun 2003 Posts: 384 D DekuHaze Fjord artisan
DekuHaze Fjord artisan D Joined: Jun 2003 Posts: 384	Ok, if you're certain

Re: Unhandled exception at 0x004edf60 in mirc.exe #53965 12/10/03 11:52 PM
Joined: Dec 2002 Posts: 9 A accessx OP Nutrimatic drinks dispenser
OP accessx Nutrimatic drinks dispenser A Joined: Dec 2002 Posts: 9	It's been confirmed.. a user can crash mIRC remotely... the author/others probably already know of this attack.. it's in the form of a DCC SEND.... /ignore -d * for now Last edited by accessx; 13/10/03 12:13 AM.

Re: Unhandled exception at 0x004edf60 in mirc.exe #53966 13/10/03 12:00 AM
Joined: Jan 2003 Posts: 150 Latvia, LV J J0ke Vogon poet
J0ke Vogon poet J Joined: Jan 2003 Posts: 150 Latvia, LV	Quote: mIRC keeps crashing at random times...( while connected to a server ) "Unhandled exception at 0x004edf60 in mirc.exe: 0xC0000005: Access violation reading location 0x00000011." same here... The instruction at "0x004edf60" refered memory at "0x00000011". The memory could not be "read". mIRC 6.11 WinXP PRO SP1+ C2.2/512 Go ahead, jump. 100,000 lemmings can't be wrong.

Re: Unhandled exception at 0x004edf60 in mirc.exe #53967 13/10/03 01:36 AM
Joined: Oct 2003 Posts: 2 R Rats_ Bowl of petunias
Rats_ Bowl of petunias R Joined: Oct 2003 Posts: 2	I've gotten the same error several times since installing v6.11 P4 1.3GHz 384MB RAM XP Professional SP1 mIRC 6.11 Last edited by Rats_; 13/10/03 01:43 AM.

Re: Unhandled exception at 0x004edf60 in mirc.exe #53968 13/10/03 01:59 AM
Joined: Dec 2002 Posts: 1,527 Florida,USA _ _D3m0n_ Hoopy frood
_D3m0n_ Hoopy frood _ Joined: Dec 2002 Posts: 1,527 Florida,USA	is this caused by the dcc exploit by anychance? D3m0nnet.com

Re: Unhandled exception at 0x004edf60 in mirc.exe #53969 13/10/03 03:01 AM
Joined: Oct 2003 Posts: 2 R Rats_ Bowl of petunias
Rats_ Bowl of petunias R Joined: Oct 2003 Posts: 2	I don't know, this has only been happening since I installed 6.11

Re: Unhandled exception at 0x004edf60 in mirc.exe #53970 13/10/03 04:05 AM
Joined: May 2003 Posts: 161 nowhere A Ashkrynt Vogon poet
Ashkrynt Vogon poet A Joined: May 2003 Posts: 161 nowhere	The exploit was only found yesterday...

Re: Unhandled exception at 0x004edf60 in mirc.exe #53971 13/10/03 05:54 AM
Joined: Oct 2003 Posts: 1 T TonyM Mostly harmless
TonyM Mostly harmless T Joined: Oct 2003 Posts: 1	This is an mIRC issue; a specially crafted DCC SEND will crash mIRC. It can be done remotely.

Re: Unhandled exception at 0x004edf60 in mirc.exe #53972 13/10/03 01:36 PM
Joined: Oct 2003 Posts: 1 Somewhere in the world J johnnybegood Mostly harmless
johnnybegood Mostly harmless J Joined: Oct 2003 Posts: 1 Somewhere in the world	me too it start to happen yesterday

Re: Unhandled exception at 0x004edf60 in mirc.exe #53973 13/10/03 02:08 PM
Joined: Dec 2002 Posts: 196 T trenzterra Vogon poet
trenzterra Vogon poet T Joined: Dec 2002 Posts: 196	It's a DCC exploit. trenzterra AustNet #trenzterra and #w Head Scripter @ http://trenzterra.uni.cc

Re: Unhandled exception at 0x004edf60 in mirc.exe #53974 13/10/03 07:34 PM
Joined: Oct 2003 Posts: 3,918 Montreal, QC, Canada A argv0 Hoopy frood
argv0 Hoopy frood A Joined: Oct 2003 Posts: 3,918 Montreal, QC, Canada	004EDF60 mov bl,byte ptr [eax] yep. EAX is -1 (or 0xFFFFFF) That's what's causing the crash on a system level. On the programming level, it's caused by the way mIRC handles spaces in filenames when it receives a DCC request. On the users level it's caused by someone exploiting you - argv[0] on EFnet #mIRC - "Life is a pointer to an integer without a cast"

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