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

Description

## Summary The following vulnerabilities in Libxml2 have been addressed by IBM Flex System Chassis Management Module (CMM). ## Vulnerability Details ** CVEID: **[CVE-2020-7595](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=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](<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](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=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](<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](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=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](<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 Subscribe to [My Notifications](< http://www-01.ibm.com/software/support/einfo.html>) to be notified of important product support alerts like this. ### References [Complete CVSS v3 Guide](<http://www.first.org/cvss/user-guide> "Link resides outside of ibm.com" ) [On-line Calculator v3](<http://www.first.org/cvss/calculator/3.0> "Link resides outside of ibm.com" ) Off ## Related Information [IBM Secure Engineering Web Portal](<http://www.ibm.com/security/secure-engineering/bulletins.html>) [IBM Product Security Incident Response Blog](<http://www.ibm.com/blogs/psirt>) [Lenovo Product Security Advisories](<https://support.lenovo.com/us/en/product_security/home> "Lenovo Product Security Advisories" ) ## 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](<https://www.ibm.com/support/pages/node/6610583#disclaimer>) 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 & Flex System"},"Component":"CMM","Platform":[{"code":"PF009","label":"Firmware"}],"Version":"All","Edition":""}]


Affected Software


CPE Name Name Version
ibm flex system chassis management module (cmm) 2PET

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