Security Bulletin
Summary
PowerKVM is affected by a vulnerability in the GNU C Library (glibc). IBM has now addressed this vulnerability.
Vulnerability Details
CVEID: CVE-2017-1000366
DESCRIPTION: Glibc could allow a local attacker to execute arbitrary code on the system, caused by a vulnerability that allows specially crafted LD_LIBRARY_PATH values to manipulate the heap/stack. By using specially-crafted crafted LD_LIBRARY_PATH values, an attacker could exploit this vulnerability to trigger a stack memory allocation flaw and execute arbitrary code on the system.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/127452 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
PowerKVM 2.1 and 3.1
Remediation/Fixes
Customers can update PowerKVM systems by using "yum update".
Fix images are made available via Fix Central. For version 3.1, see https://ibm.biz/BdHggw. This issue is addressed starting with v3.1.0.2 update 8.
For version 2.1, see https://ibm.biz/BdEnT8. This issue is addressed starting with PowerKVM 2.1.1.3-65 update 17. Customers running v2.1 are, in any case, encouraged to upgrade to v3.1.
For v2.1 systems currently running fix levels of PowerKVM prior to 2.1.1, please see http://download4.boulder.ibm.com/sar/CMA/OSA/05e4c/0/README for prerequisite fixes and instructions.
Workarounds and Mitigations
none
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References
Change History
21 June 2017 - Initial Version
*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.
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Document Information
Modified date:
17 June 2018
UID
isg3T1025464