Security Bulletin
Summary
PowerKVM is affected by a vulnerability in yum-utils. IBM has now addressed this vulnerability.
Vulnerability Details
CVEID: CVE-2018-10897
DESCRIPTION: reposync could allow a remote attacker to traverse directories on the system, caused by the improper sanitation of paths in remote repository configuration files. By persuading a victim to open a specially crafted file, an attacker could exploit this vulnerability using path traversal to overwrite critical system files and compromise the system.
CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/147685 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Affected Products and Versions
PowerKVM v3.1
Remediation/Fixes
Customers can update PowerKVM systems by using "yum update".
Fix images are made available via Fix Central. See https://ibm.biz/BdHggw. This issue is addressed starting with v3.1.0.2 update 15.
Workarounds and Mitigations
none
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References
Change History
19 August 2018 - 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:
26 September 2018
UID
ibm10728307