Denial of service in Cisco Wide Area Application Services - CVE-2017-6727

 

Denial of service in Cisco Wide Area Application Services - CVE-2017-6727

Published: July 6, 2017


Vulnerability identifier: #VU7340
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6727
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Wide Area Application Services

Detailed vulnerability description

The vulnerability allows a remote unauthenticated attacker to cause DoS condition.

The weakness exists in the Server Message Block (SMB) protocol of Cisco Wide Area Application Services (WAAS) due to incomplete input validation of an SMB Create Request packet. A remote attacker can sendi a specially crafted Create Request packet and cause the process to reload.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2017-6727

The vulnerability is addressed in the following versions:
6.3(0.167), 6.2(3c)5, 6.2(3.22).








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