Security Bulletin: A vulnerability in yum-utils affects PowerKVM

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&gt; 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&gt;. This issue is addressed starting with v3.1.0.2 update 15.

Workarounds and Mitigations

none