IBM RackSwitch Networking products have addressed the following vulnerabilities in libxml2.
IBM RackSwitch Networking products have addressed the following vulnerabilities in libxml2.
Vulnerability Details:
CVE-ID: CVE-2016-3627
Description: libxml2 is vulnerable to a denial of service, caused by an error in the xmlStringGetNodeList() function when parsing xml files while in recover mode. An attacker could exploit this vulnerability to exhaust the stack and cause a segmentation fault.
CVSS Base Score: 5.3
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/111586> for 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:L)
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-2016-2073
Description: libxml2 is vulnerable to a heap-based buffer overflow, caused by an out-of-bounds read in the htmlParseNameComplex() function. 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/110307> 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-2016-3705
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-2016-4449
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)
CVE-ID: CVE-2016-4483
Description: libxml2 is vulnerable to a denial of service, caused by an out-of-bounds read when parsing a specially crafted XML file if recover mode is used. By persuading a victim to open a specially crafted XML 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/114279> for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C)
Product | Affected Version |
---|---|
IBM RackSwitch G8264CS | 7.8.14.0 |
IBM RackSwitch G8052 | 7.9.17.0 |
IBM RackSwitch G8052 | 7.11.7.0 |
IBM RackSwitch G8124/G8124-E | 7.9.17.0 |
IBM RackSwitch G8124/G8124-E | 7.11.7.0 |
IBM RackSwitch G8264 | 7.9.17.0 |
IBM RackSwitch G8264 | 7.11.7.0 |
IBM RackSwitch G8264T | 7.9.17.0 |
IBM RackSwitch G8316 | 7.9.17.0 |
IBM RackSwitch G8332 | 7.7.23.0 |
Firmware fix versions are available on Fix Central:
<http://www.ibm.com/support/fixcentral/>.
Product | Fix Version |
---|---|
IBM RackSwitch G8264CS (G8264CS-7.8.15.0.zip) | 7.8.15.0 |
IBM RackSwitch G8052 (G8052-7.9.18.0.zip) | 7.9.18.0 |
IBM RackSwitch G8052 (G8052-7.11.8.0.zip) | 7.11.8.0 |
IBM RackSwitch G8124/G8124-E (G8124_G8124E-7.9.18.0.zip) | 7.9.18.0 |
IBM RackSwitch G8124/G8124-E (G8124_G8124E-7.11.8.0.zip) | 7.11.8.0 |
IBM RackSwitch G8264 (G8264-7.9.18.0.zip) | 7.9.18.0 |
IBM RackSwitch G8264 (G8264-7.11.8.0.zip) | 7.11.8.0 |
IBM RackSwitch G8264T (G8264T-7.9.18.0.zip) | 7.9.18.0 |
IBM RackSwitch G8316 (G8316-7.9.18.0.zip) | 7.9.18.0 |
IBM RackSwitch G8332 (G8332-7.7.24.0.zip) | 7.7.24.0 |
You should verify applying this fix does not cause any compatibility issues.
None
Related Information:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Lenovo Product Security Advisories
Acknowledgement
None.
Change History
13 September 2016: Original Copy Published
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.