Backdoor in SolarWinds Orion Platform

1) Embedded malicious code (backdoor)

EUVDB-ID: #VU48956

Risk: Critical

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: N/A

CWE-ID: CWE-506 - Embedded Malicious Code

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to the application.

The vulnerability exists due to presence of embedded malicious functionality in the application code (aka backdoor) that allows a remote attacker to gain unauthorized access to the application.

According to SolarWinds, Orion Platform software builds for versions 2019.4 HF 5 through 2020.2.1 are affected.

Note, this vulnerability is being actively exploited in the wild in a supply chain attack and is dubbed SUNBURST.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Orion Platform: 2019.4 HF 5 - 2020.2.1

CPE2.3

• cpe:2.3:a:solarwinds:orion_platform:2019.4 HF 5:*:*:*:*:*:*:
• cpe:2.3:a:solarwinds:orion_platform:2020.2 HF 1:*:*:*:*:*:*:
• cpe:2.3:a:solarwinds:orion_platform:2020.2:*:*:*:*:*:*:

External links

http://www.solarwinds.com/securityadvisory

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?

Yes. This vulnerability is being exploited in the wild.