Security restrictions bypass in IBM Watson Assistant for IBM Cloud Pak for Data

1) Security restrictions bypass

EUVDB-ID: #VU16954

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1320

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to bypass security restrictions.

The vulnerability exists due to unspecified flaw. A remote attacker can bypass SASL negotiation isComplete validation in the org.apache.thrift.transport.TSaslTransport class. An assert used to determine if the SASL handshake had successfully completed could be disabled in production settings making the validation incomplete.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Watson Assistant for IBM Cloud Pak for Data: before 5.0.1

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/7162596

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.