Vulnerability identifier: #VU13933

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0342

CWE-ID: CWE-120

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 gain elevated privileges on the target system.

The vulnerability exists in the configuration and monitoring service of the Cisco SD-WAN Solution due to buffer overflow when handling user-supplied input. A local attacker can send malicious data to the vDaemon listening service, trigger memory corruption and cause the vDaemon listening service to reload or execute arbitrary code with root privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Update to version 18.3.0.

Vulnerable software versions

Cisco SD-WAN: All versions

---

External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-sd-wan-bo

---

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.