Vulnerability identifier: #VU13941

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0346

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco SD-WAN
Client/Desktop applications / Virtualization software

Vendor: Cisco Systems, Inc

Description

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

The vulnerability exists in the Zero Touch Provisioning service of the Cisco SD-WAN Solution due to buffer overflow when handling certain values in packets that are sent to the Zero Touch Provisioning service. A remote attacker can send malicious packets to the affected software for processing, trigger memory corruption and cause the affected device to reload.

Mitigation
Update to version 18.3.0.

Vulnerable software versions

Cisco SD-WAN: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-sdwan-dos

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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.