Security Bulletin
Summary
Multiple Vulnerabilities in GnuTLS affects IBM Watson Studio Local
Vulnerability Details
CVEID: CVE-2018-10844
DESCRIPTION: It was found that the GnuTLS implementation of HMAC-SHA-256 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data using crafted packets.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/148731 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
CVEID: CVE-2018-10845
DESCRIPTION: It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/148730 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
CVEID: CVE-2018-10846
DESCRIPTION: A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/148725 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Watson Studio - Local | 1.2.3 |
Remediation/Fixes
| Product | VRMF | Remediation/First Fix |
| IBM Watson Studio Local | 2.1 | https://www.ibm.com/software/passportadvantage/pao_customer.html |
| IBM Cloud Pak for Data | 2.5 | https://www.ibm.com/software/passportadvantage/pao_customer.html |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
08 Dec 2019: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
Was this topic helpful?
Document Information
Modified date:
18 December 2019
UID
ibm11138468