Error handling in IBM CICS TX Advanced



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41041
CWE-ID CWE-388
Exploitation vector Network
Public exploit N/A
Vulnerable software
 IBM CICS TX Advanced
Universal components / Libraries / Software for developers

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Error Handling

EUVDB-ID: #VU67029

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41041

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to Java versions 8 and 11 fail to throw the exception captured during bytecode verification when verification is triggered by a MethodHandle invocation. A remote attacker can invoke unverified methods using MethodHandles and bypass implemented security restrictions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM CICS TX Advanced: before 10.1.0.0 ifix11

CPE2.3 External links

http://www.ibm.com/support/pages/node/6827821


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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