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Security Bulletin: IBM Flex System Chassis Management Module (CMM) is affected by vulnerabilities in Libxml2

Security Bulletin


Summary

The following vulnerabilities in Libxml2 have been addressed by IBM Flex System Chassis Management Module (CMM).

Vulnerability Details

CVEID:   CVE-2020-7595
DESCRIPTION:   The Gnome Project Libxml2 is vulnerable to a denial of service, caused by an error in xmlStringLenDecodeEntities in parser.c. An attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175333 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2019-20388
DESCRIPTION:   GNOME libxml2 could allow a remote attacker to obtain sensitive information, caused by a xmlSchemaValidateStream memory leak in xmlSchemaPreRun in xmlschemas.c. By persuading a victim to open a specially crafted file, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175539 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

CVEID:   CVE-2019-19956
DESCRIPTION:   libxml2 is vulnerable to a denial of service, caused by a memory leak in xmlParseBalancedChunkMemoryRecover in parser.c. By persuading a victim to open a specially crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/173518 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Flex System Chassis Management Module (CMM)2PET

Remediation/Fixes

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

Affected Product(s)Version(s)

IBM Flex System Chassis Management Module (CMM)

(ibm_fw_cmm_2pet22a-2.5.20a_anyos_noarch)

2pet22a-2.5.20a

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

Change History

15 Mar 2021: Initial Publication

*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.

Document Location

Worldwide

[{"Business Unit":{"code":"BU050","label":"BU NOT IDENTIFIED"},"Product":{"code":"SSWLYD","label":"PureFlex System \u0026 Flex System"},"Component":"CMM","Platform":[{"code":"PF009","label":"Firmware"}],"Version":"All","Edition":""}]

Document Information

Modified date:
15 March 2021

Initial Publish date:
15 March 2021

UID

ibm16430225