File: 2446.txt

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Rule:  

--
Sid:
2446

--
Summary:
This event is generated when an attempt is made to exploit a known
vulnerability in multiple versions of Internet Security Systems software.

--
Impact:
Serious. Execution of arbitrary code is possible leading to unauthorized 
access to the affected host. Denial of Service (DoS).

--
Detailed Information:
A vulnerability exists in the way that multiple ISS products parse ICQ
messages. This can lead to execution of arbitrary code on hosts using
the affected products.

Due to insufficient bounds checking when ISS products parse protocol
fields in ICQ SRV_META_USER data, a buffer overflow condition can be
exploited to give an attacker the opportunity to execute arbitrary code
and gain unauthorized administrative access to the host.

It is possible that this condition can be exploited without the need for
an established and valid ICQ session. The attacker could create packets
originating from a host on port 4000 and send specially crafted data to 
exploit the condition.

--
Affected Systems:
	RealSecure Network 7.0, XPU 22.11 and prior
	RealSecure Server Sensor 7.0 XPU 22.11 and prior
	RealSecure Server Sensor 6.5 for Windows SR 3.10 and prior
	Proventia A Series XPU 22.11 and prior
	Proventia G Series XPU 22.11 and prior
	Proventia M Series XPU 1.9 and prior
	RealSecure Desktop 7.0 ebl and prior
	RealSecure Desktop 3.6 ecf and prior
	RealSecure Guard 3.6 ecf and prior
	RealSecure Sentry 3.6 ecf and prior
	BlackICE Agent for Server 3.6 ecf and prior
	BlackICE PC Protection 3.6 ccf and prior
	BlackICE Server Protection 3.6 ccf and prior

--
Attack Scenarios:
An attacker may send specially crafted packets to a vulnerable system to
cause the overflow condition to occur.

--
Ease of Attack:
Simple.

--
False Positives:
None known.

--
False Negatives:
None known.

--
Corrective Action:
Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches

--
Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

-- 
Additional References:


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