Vulnerability identifier: #VU13939

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0351

CWE-ID: CWE-77

Exploitation vector: Local

Exploit availability: No

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

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local attacker to execute arbitrary commands on the target system.

The vulnerability exists in the command-line tcpdump utility in the Cisco SD-WAN Solution due to insufficient input validation. A local attacker can submit malicious input to the tcpdump utility, inject and execute arbitrary commands with root privileges.

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-coinj

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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