Command Injection in IBM WebSphere Application Server

1) Command Injection

EUVDB-ID: #VU24938

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-4163

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary commands on the system.

The vulnerability exists due to improper input validation. A remote administrator can send a specially crafted file name which would be misinterpreted as jsp content and execute arbitrary commands.

Mitigation

Vendor recommends to install the following updates:

• For V9.0.0.0 through 9.0.5.2:

Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH20785
--OR--
Apply Fix Pack 9.0.5.3 or later (targeted availability 1Q2020).

• For V8.5.0.0 through 8.5.5.16:

Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH20785
--OR--
Apply Fix Pack 8.5.5.17 or later (targeted availability 1Q2020).

• For V8.0.0.0 through 8.0.0.15:

Upgrade to 8.0.0.15 and then apply Interim Fix PH20785
 

Vulnerable software versions

IBM WebSphere Application Server: 7.0 - 9.0

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server:7.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server:8.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server:8.5:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server:9.0:*:*:*:*:*:*:*

External links

https://exchange.xforce.ibmcloud.com/vulnerabilities/174397
https://www.ibm.com/support/pages/node/1288786

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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