x and BladeCenter systems have addressed the following vulnerabilities in libxml2.
Summary
IBM Integrated Management Module II (IMM2) for System x, Flex
and BladeCenter systems have addressed the following
vulnerabilities in libxml2.
Vulnerability Details:
CVE-ID: CVE-2015-8806
Description: libxml2 is vulnerable to a denial
of service, caused by a heap-buffer overread in dict.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: 4.3
CVSS Temporal Score: See http://exchange.xforce.ibmcloud.com/vulnerabilities/110613
for 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)
CVE-ID: CVE-2016-3705
Description: libxml2 is vulnerable to a
stack-based buffer overflow, caused by an out-of-bounds read of
xmlParserEntityCheck() and xmlParseAttValueComplex() functions in
parser.c. By persuading a victim to open a specially crafted XML
file, a remote attacker could overflow a buffer and execute
arbitrary code on the system or cause the application to crash.
CVSS Base Score: 6.3
CVSS Temporal Score: See http://exchange.xforce.ibmcloud.com/vulnerabilities/112885
for 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)
CVE-ID: CVE-2016-4447
Description: libxml2 is vulnerable to a denial
of service, caused by a heap-based buffer overflow. By persuading a
victim to open a specially crafted XML file, a remote attacker
could overflow a buffer and cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See http://exchange.xforce.ibmcloud.com/vulnerabilities/113522
for 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)
CVE-ID: CVE-2016-4448
Description: libxml2 could allow a remote
attacker to execute arbitrary code on the system, caused by a
format string error. By using a specially crafted html file
containing malicious format specifiers, a remote attacker could
exploit this vulnerability to execute arbitrary code on the system
or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See http://exchange.xforce.ibmcloud.com/vulnerabilities/113523
for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVE-ID: CVE-2016-4449
Description: libxml2 could allow a remote
attacker to obtain sensitive information, caused by a XML external
entity (XXE) error when processing XML data by the XML parser. A
remote attacker could exploit this vulnerability to obtain
sensitive information.
CVSS Base Score: 7.5
CVSS Temporal Score: See http://exchange.xforce.ibmcloud.com/vulnerabilities/113524
for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
| Product |
Affected Version |
| IBM Integrated Management Module II (IMM2) for
System x and Flex Systems |
1AOO |
| IBM Integrated Management Module II (IMM2) for
BladeCenter Systems |
1AOO |
Remediation/Fixes:
Firmware fix versions are available on Fix Central:
http://www.ibm.com/support/fixcentral/.
| Product |
Fix Version |
IBM Integrated Management Module II (IMM2) for
System x and Flex Systems
ibm_fw_imm2_1aoo74f-5.80_anyos_noarch |
1AOO74F-5.80 |
IBM Integrated Management Module II (IMM2) for
BladeCenter Systems
ibm_fw_imm2_1aoo74f-5.80_bc-anyos_noarch |
1AOO74F-5.80 |
You should verify applying this fix does not cause any
compatibility issues.
Workaround(s) & Mitigation(s):
None
References:
Related Information:
IBM
Secure Engineering Web Portal
IBM Product Security
Incident Response Blog
Lenovo
Product Security Advisories
Acknowledgement
None
Change History
05 October 2016: Original Copy 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
According to the Forum of Incident Response and Security Teams
(FIRST), the Common Vulnerability Scoring System (CVSS) is an
"industry open standard designed to convey vulnerability severity
and help to determine urgency and priority of response." IBM
PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND,
INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE
IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
References
On
*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.
BladeCenter:Operating system independent / None
System x:Operating system independent / None
PureFlex System and Flex System:Operating system independent / None
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