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Security Bulletin: IBM Flex System Chassis Management Module (CMM) is affected by vulnerabilties in dhcp (CVE-2018-5732, CVE-2018-5733)

Created by Barb Foss on
Published URL:
https://www.ibm.com/support/pages/node/718661
718661

Security Bulletin


Summary

IBM Flex System Chassis Management Module (CMM) has addressed the following vulnerabilities in dhcp.

Vulnerability Details

CVEID: CVE-2018-5733
DESCRIPTION: ISC DHCP is vulnerable to a denial of service. By sending an overly large amount of packets, a remote attacker could overflow a reference counter and cause dhcpd to crash.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/139614 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

 

CVEID: CVE-2018-5732
DESCRIPTION: ISC DHCP is vulnerable to a denial of service, caused by a buffer overflow in dhclient. By sending a specially crafted response, a remote attacker could overflow a buffer and possibly execute arbitrary code on the system or cause the server to crash.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/139613 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Product

Affected Version

IBM Flex System Chassis Management Module (CMM)

2PET

Remediation/Fixes

Firmware fix versions are available on Fix Central:  http://www.ibm.com/support/fixcentral/

 

Product

Fix Version

IBM Flex System Chassis Management Module (CMM)
(ibm_fw_cmm_2pet16c-2.5.12c_anyos_noarch)

2pet16c-2.5.12c

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Lenovo Product Security Advisories

Change History

26 July 2018: Original version published

*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 July 2018

UID

ibm10718661

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