Vulnerability identifier: #VU13438

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-2018-0302

CWE-ID: CWE-120

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco FXOS
Operating systems & Components / Operating system

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists in the CLI parser due to boundary error when incorrect input validation in the CLI parser subsystem. A local attacker can exceed the expected length of user input, trigger memory corruption and execute arbitrary code with root privileges.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco FXOS: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-fxos-ace

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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.