Denial of service in IBM API Connect



Published: 2022-09-06
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-33194
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		IBM API Connect
Client/Desktop applications / Office applications

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU65693

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-33194

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop. A remote attacker can pass crafted ParseFragment  input to the application, consume all available system resources and cause denial of service conditions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM API Connect: 10.0.0 - 2018.4.1.16

CPE2.3 External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-api-connect-is-impacted-by-a-vulnerability-in-golang-cve-2021-33194/
http://www.ibm.com/support/pages/node/6483479

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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