Command execution in Cisco Unified Computing System

1) Command injection

EUVDB-ID: #VU13231

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-2018-0338

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

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

The vulnerability exists in the role-based access-checking mechanisms of Cisco Unified Computing System (UCS) Software due to the affected software lacks proper input and validation checks for certain file systems. A local attacker can issue a specially crafted commands in the CLI and execute unwanted arbitrary commands.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco Unified Computing System: before 3.2.3a

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_unified_computing_system:*:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ucs-access

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.