Security restrictions bypass in EMC Integrated Data Protection Appliance

1) Security restrictions bypass

EUVDB-ID: #VU15680

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:W/RC:C]

CVE-ID: CVE-2018-11062

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to unspecified flaw. A remote unauthenticated attacker with knowledge of the default credentials can gain unauthorized access to the system and perform unauthorized actions that may lead to further attacks.

Mitigation

Follow the steps below to remove the user accounts named "support" and "admin" from the impacted virtual machines in
the Integrated Data Protection Appliance:

 - Log in to Data Protection Advisor - Datastore Server Virtual Machine using an SSH client such as PuTTY, as root user
and execute the following commands:

 - Delete the user "support"

userdel support

 - Delete the user "admin"

userdel admin

 - Verify that the accounts are deleted. The following commands should display "no such user" as the output.

id support

id admin

Vulnerable software versions

EMC Integrated Data Protection Appliance: 2.0 - 2.2

External links

http://seclists.org/fulldisclosure/2018/Oct/53

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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