Improper input validation in IBM SAN Volume Controller and Storwize Family

1) Improper input validation

EUVDB-ID: #VU14487

Risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2018-11776

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient input validation in cases where namespace value isn't set for a result defined in underlying xml configurations and in same time, its upper action(s) configurations have no or wildcard namespace, or when using url tag which doesn’t have value and action set and in same time, its upper action(s) configurations have no or wildcard namespace.

A remote unauthenticated attacker can compromise the affected system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SAN Volume Controller and Storwize Family: before 8.2.1.0

External links

http://www.ibm.com/support/pages/node/741137

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.