Observable discrepancy in IBM CICS TX Standard
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-33850 |
| CWE-ID | CWE-203 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
IBM CICS TX Standard Universal components / Libraries / Software for developers |
| Vendor | IBM Corporation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Observable discrepancy
EUVDB-ID: #VU82583
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-33850
CWE-ID:
CWE-203 - Observable discrepancy
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to timing-based side channel in the RSA Decryption implementation. A remote attacker can send an overly large number of trial messages for decryption and gain unauthorized access to sensitive information on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsIBM CICS TX Standard: before 11.1.0.0 ifix12
External linkshttp://www.ibm.com/support/pages/node/7022413
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.
