Remote code execution in Silver Peak Orchestrator (Apache Log4j component)

1) Code Injection

EUVDB-ID: #VU58816

Risk: Critical

CVSSv3.1: 9.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C]

CVE-ID: CVE-2021-44228

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes

Description

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

The vulnerability exists due to improper input validation when processing LDAP requests. A remote attacker can send a specially crafted request to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, we are aware of attackers exploiting the vulnerability in the wild.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

As part of mitigation vendor recommends disabling the lookup feature.

Vulnerable software versions

Silver Peak Orchestrator: All versions

External links

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-019.txt
http://www.arubanetworks.com/website/techdocs/sdwan/docs/advisories/media/security_advisory_notice_apache_log4j2_cve_2021_44228.pdf

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 device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.