Multiple vulnerabilities in IBM WebSphere Application Server Liberty

Published: 2022-11-29 | Updated: 2023-03-07

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-3171 CVE-2022-3509
CWE-ID	CWE-20
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) Input validation error

EUVDB-ID: #VU69293

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/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-2022-3171

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input containing multiple instances of non-repeated embedded messages with repeated or unknown fields. A remote attacker can cause objects to be converted back-n-forth between mutable and immutable forms, resulting in potentially long garbage collection pauses.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server Liberty: 21.0.0.2 - 22.0.0.12

CPE2.3

External links

https://www.ibm.com/blogs/psirt/security-bulletin-ibm-websphere-application-server-liberty-is-vulnerable-to-a-denial-of-service-due-to-google-protobuf-java-cve-2022-3171-cve-2022-3509/
https://www.ibm.com/support/pages/node/6841889

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU69670