Multiple vulnerabilities in WebSphere Application Server Liberty

Published: 2022-09-22

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-36090 CVE-2021-35517
CWE-ID	CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	IBM WebSphere Application Server Liberty Server applications / Application servers
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU54853

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-36090

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when processing ZIP archives. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server Liberty: 17.0.0.3 - 21.0.0.9

CPE2.3

External links

https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-in-apache-commons-compress-affect-websphere-application-server-liberty-cve-2021-33517-cve-2021-36090/
https://www.ibm.com/support/pages/node/6489683

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?

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

2) Resource exhaustion

EUVDB-ID: #VU54852