Denial of service in IBM Tivoli Network Manager IP Edition

1) Input validation error

EUVDB-ID: #VU51939

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-2021-22696

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 improper validation of "request_uri" parameter by the OAuth 2 authorization service. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Tivoli Network Manager (ITNM): before 4.2.0.13

External links

http://www.ibm.com/blogs/psirt/security-bulletin-apache-cxf-publicly-disclosed-vulnerability-2/
http://www.ibm.com/support/pages/node/6483061

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.