Improper authentication in Cisco UCS Director

1) Improper authentication

EUVDB-ID: #VU12059

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0238

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information and write arbitrary files on the target system.

The weakness exists in the role-based resource checking functionality due to improper user authentication checks. A remote attacker can log in to the UCS Director with a modified username and valid password, gain visibility into and perform actions against all virtual machines in the UCS Director end-user portal of the affected system.

Mitigation

Update to versions 6.6.0.0 or 6.5.0.3.

Vulnerable software versions

Cisco UCS Director: 6.5.0.0 - 6.5.0.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-uscd

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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