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Security Bulletin: Vulnerabilities in Mozilla Firefox Network Security Services affect PowerKVM (CVE-2016-1978,CVE-2016-1979)

Security Bulletin


Summary

PowerKVM is affected by vulnerabilities in Mozilla Firefox Network Security Services (NSS). These vulnerabilities are now fixed.

Vulnerability Details

CVEID: CVE-2016-1978
DESCRIPTION:
Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in ssl3_HandleECDHServerKeyExchange. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111321 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)

CVEID: CVE-2016-1979
DESCRIPTION:
Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free when processing DER encoded keys in the Network Security Services (NSS) libraries. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111365 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 2.1 and 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 for 3.1.0.1 update 2 or later.

For version 2.1, see PowerKVM 2.1.1.3-65. Update 9 at https://ibm.biz/BdEnT8 and all later 2.1.1 service updates. 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.

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References

Off

Change History

9 May 2016 - 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

isg3T1023778