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Cisco Wide Area Application Services Server Message Block Protocol Module Denial of Service Vulnerability

Cisco-SA-20150514-CVE-2015-0730 · Medium · Published · Updated

A vulnerability in the Server Message Block Protocol (SMB) module of Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause a reload of the SMB module. The vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a crafted SMB Negotiate Protocol Request packet with an invalid field to a targeted device. A successful exploit could allow the attacker to cause a reload of the SMB module on the device, resulting in a partial denial of service (DoS) condition. Cisco has confirmed the vulnerability; however, software updates are not available. To exploit this vulnerability, an attacker may need access to trusted, internal networks to send a crafted SMB Negotiate Protocol Request packet to the device. This access requirement may limit the possibility of a successful exploit. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.

Workarounds

Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only trusted users to have network access.

Administrators can help protect affected systems from external attacks by using a solid firewall strategy.

Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

Administrators are advised to monitor affected systems.

CVEsCVE-2015-0730
Cisco Bug IDsCSCuv41501
CVSS ScoreBase 5.0
Base 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P/E:F/RL:U/RC:C
Product Names From Source
Cisco Wide Area Application Services (WAAS)

Related Products

Product CVE Evidence
Cisco Wide Area Application Services (WAAS) CVE-2015-0730 Cisco OpenVuln
Cisco Wide Area Application Services Software CVE-2015-0730 Cisco OpenVuln