Security Bulletin
Summary
IBM Cloud Pak for Security v 1.5 and 1.4 are vulnerable to cookie spoofing due to a vulnerability found in the DBusServer. A new release addresses the issue.
Vulnerability Details
CVEID: CVE-2019-12749
DESCRIPTION: D-Bus could allow a remote attacker to bypass security restrictions, caused by symlink mishandling in the reference implementation of DBUS_COOKIE_SHA1 in the libdbus library. By manipulating a ~/.dbus-keyrings symlink, an attacker could exploit this vulnerability to bypass DBUS_COOKIE_SHA1 authentication to allow a DBusServer with a different uid to read and write in arbitrary locations.
CVSS Base score: 9.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/162386 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| Cloud Pak for Security (CP4S) | 1.5.0.0 |
| Cloud Pak for Security (CP4S) | 1.4.0.0 |
Remediation/Fixes
Upgrade to CP4S 1.6.0.0 at https://cloud.ibm.com/catalog/content/ibm-cp-security-b25bd169-0fbd-4cf3-a8ea-0067316158a4-global or following https://www.ibm.com/support/knowledgecenter/en/SSTDPP_1.6.0/platform/docs/security-pak/upgrading.html
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
18 Feb 2021: 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
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Document Information
Modified date:
23 February 2021
UID
ibm16416765