IBM Watson Assistant for IBM Cloud Pak for Data update for libssh

1) Improper Authentication

EUVDB-ID: #VU75740

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-2283

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error within the pki_verify_data_signature() function in pki_crypto.c. The pki_key_check_hash_compatible() function can return SSH_OK value if memory allocation error happens later in the function. The  A remote attacker can bypass authentication process and gain unauthorized access to the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Watson Assistant for IBM Cloud Pak for Data: before 4.7.4

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_watson_assistant_for_ibm_cloud_pak_for_data:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7091592

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.