IBM WebSphere Application Server Liberty update for Apache Commons Compress

1) Improper Handling of Length Parameter Inconsistency

EUVDB-ID: #VU108024

Risk: High

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:Amber]

CVE-ID: CVE-2021-33517

CWE-ID: CWE-130 - Improper Handling of Length Parameter Inconsistency

Exploit availability: No

Description

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

The vulnerability exists because during reading a specially crafted TAR archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. A remote attacker can trigger the vulnerability and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server Liberty: 17.0.0.0 - 21.0.0.9

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server_liberty:17.0.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server_liberty:17.0.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/6556922

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.