#VU13433 Command injection in Cisco NX-OS - CVE-2018-0307

Vulnerability identifier: #VU13433

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-0307

CWE-ID: CWE-77

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco NX-OS
Operating systems & Components / Operating system

Vendor: Cisco Systems, Inc

Description

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

The vulnerability exists in the CLI of Cisco NX-OS Software due to insufficient input validation of command arguments. A local attacker can inject malicious command arguments into a vulnerable CLI command and execute arbitrary commands with root privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco NX-OS: All versions

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nx-os-cli-in...

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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.