Vulnerability identifier: #VU7670

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6745

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Videoscape Distribution Suite for Television
Client/Desktop applications / Multimedia software

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the cache server within Cisco Videoscape Distribution Suite (VDS) for Television due to excessive mapped connections exhausting the allotted resources within the system. A remote attacker can send large amounts of inbound traffic, trigger resources exhaustion and cause the system to reload.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
The vulnerability is addressed in the following versions: cde-04.7(0.1), cde-04.6(1.2), cde-04.5(101.5), cde-04.5(0.85), cde-04.3(101.13), cde-04.3(101.10), ccdss-04.7(0.1), ccdss-04.6(1.2), ccdss-04.5(101.5), ccdss-04.5(0.85), ccdss-04.3(101.13), ccdss-04.3(101.10), ccdms-04.7(0.1), ccdms-04.6(1.2), ccdms-04.5(101.5), ccdms-04.5(0.85), ccdms-04.3(101.13), ccdms-04.3(101.10).

Vulnerable software versions

Videoscape Distribution Suite for Television: 3.2.5 ES1

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-vds

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.