Denial of service in Сisco Videoscape Distribution Suite for Television

1) Resource exhaustion

EUVDB-ID: #VU7670

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 - Resource exhaustion

Exploit availability: No

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

External links

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

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.