Insufficient entropy in IBM Cloud Pak for Data



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-4238
CWE-ID CWE-331
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Cloud Pak for Data
Client/Desktop applications / Other client software

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insufficient Entropy

EUVDB-ID: #VU71686

Risk: Low

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

CVE-ID: CVE-2021-4238

CWE-ID: CWE-331 - Insufficient Entropy

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient entropy when generating alphanumeric strings within RandomAlphaNumeric and CryptoRandomAlphaNumeric functions, which always return strings containing at least one digit from 0 to 9. A remote attacker can launch brute-force attacks and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cloud Pak for Data: before 4.8.5

CPE2.3
External links

http://www.ibm.com/support/pages/node/7164234


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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