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Vulnerability of Check Point Security Gateway: memory leak via CIFS

Synthesis of the vulnerability 

An attacker can create a memory leak in the CIFS protocol analyser of Check Point Security Gateway, in order to trigger a denial of service.
Impacted products: SecurePlatform, CheckPoint Security Appliance, CheckPoint Security Gateway.
Severity of this bulletin: 2/4.
Creation date: 15/06/2015.
Références of this threat: sk106334, VIGILANCE-VUL-17127.

Description of the vulnerability 

The Check Point Security Gateway product offers an anti-virus service.

It may be configured to inspect the CIFS network traffic. However, the memory allocated in a function range_create() is never freed.

An attacker can therefore create a memory leak in the CIFS protocol analyzer of Check Point Security Gateway, in order to trigger a denial of service.
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This weakness bulletin impacts software or systems such as SecurePlatform, CheckPoint Security Appliance, CheckPoint Security Gateway.

Our Vigil@nce team determined that the severity of this computer weakness is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this vulnerability announce.

Solutions for this threat 

Check Point Security Gateway: patch for CIFS.
A patch applicable to the version R77.30 is available in information sources.
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