Security Bulletin: A vulnerability in patch affects PowerKVM

2018-07-0700:04:20

www.ibm.com

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

JSON

Summary

PowerKVM is affected by a vulnerability in GNU Patch. IBM has now addressed this vulnerability.

Vulnerability Details

CVEID: CVE-2018-1000156 DESCRIPTION: GNU Patch could allow a remote attacker to execute arbitrary code on the system, caused by an input validation error when processing patch files. An attacker could exploit this vulnerability using a patch file processed via the patch utility to execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/141283 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

PowerKVM 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 14.