Security Bulletin: Vulnerabilities in PHP affect PowerKVM

Summary

PowerKVM is affected by vulnerabilities in PHP (libgd). IBM has now addressed these vulnerabilities.

Vulnerability Details

CVEID: CVE-2016-10168**
DESCRIPTION:** libgd could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in gd_io.c. By persuading a victim to open a specially-crafted image file, a remote attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 6.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/122526&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:L/I:L/A:L)

CVEID: CVE-2016-10167**
DESCRIPTION:** libgd is vulnerable to a denial of service, caused by a flaw in the gdImageCreateFromGd2Ctx() function. By persuading a victim to open a specially-crafted image file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 4.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/122525&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:N/I:N/A:L)

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 12.

Workarounds and Mitigations

none