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
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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

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

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

External links

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

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35517

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 TAR 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

External links

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



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