Security Bulletin: OpenSource libXML2 Vulnerabilities affect Identity Insight 8.1

Summary

Identity Insight 8.1 product is affected by multiple libXML2 vulnerabilities (CVE-2015-7941 CVE-2015-7942 CVE-2015-8035 CVE-2015-8241 CVE-2015-8242 CVE-2015-1819 CVE-2015-5312 CVE-2015-7497 CVE-2015-7498 CVE-2015-7499 CVE-2015-7500 CVE-2015-8317).

Vulnerability Details

CVEID: CVE-2015-7941**
DESCRIPTION:** Libxml2 is vulnerable to a denial of service, caused by a heap-based buffer overflow in the xmlParseEntityDecl or xmlParseConditionalSections function. By using a specially-crafted XML data, a remote attacker could exploit this vulnerability to trigger an out-of-bounds read and cause the system to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108071 for the 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)

CVEID: CVE-2015-7942**
DESCRIPTION:** Libxml2 is vulnerable to a denial of service, caused by a heap-based buffer overflow in the xmlParseConditionalSections function. By using a specially-crafted XML data, a remote attacker could exploit this vulnerability to trigger an out-of-bounds read and cause the system to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108073 for the 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)

CVEID: CVE-2015-8035**
DESCRIPTION:** libxml2 is vulnerable to a denial of service, caused by an error when xz support is enabled. By using a specially-crafted xml file, an local attacker could exploit this vulnerability to cause the software to crash.
CVSS Base Score: 4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107845 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2015-8241**
DESCRIPTION:** libxml2 is vulnerable to a buffer overflow, caused by improper bounds checking by the XML parser in xmlNextChar. By using a malformed XML file, a local attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108169 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8242**
DESCRIPTION:** libxml2 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the HTML parser in push mode in xmlSAX2TextNode. By using a malformed XML file, a local attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108170 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-1819**
DESCRIPTION:** Libxml is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error in the xmlreader when processing XML data. A remote attacker could exploit this vulnerability to consume all available memory resources.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107272 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:L)

CVEID: CVE-2015-5312**
DESCRIPTION:** An unspecified error in Libxml2 related to an entity expansion flaw has an unknown impact and attack vector.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108319 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:L/A:N)

CVEID: CVE-2015-7497**
DESCRIPTION:** Libxml2 is vulnerable to a denial of service, caused by a heap-based buffer overflow in the xmlDictComputeFastQKey() function. A remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108320 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:L)

CVEID: CVE-2015-7498**
DESCRIPTION:** An unspecified error in Libxml2 related to the processing of entities after encoding conversion failures have occured has an unknown impact and attack vector.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108321 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:L/A:N)

CVEID: CVE-2015-7499**
DESCRIPTION:** An unspecified error in Libxml2 related to some parser errors has an unknown impact and attack vector.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108322 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:L/A:N)

CVEID: CVE-2015-7500**
DESCRIPTION:** Libxml2 is vulnerable to a denial of service, caused by a memory access error when handling invalid entity boundaries. A remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108323 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:L)

CVEID: CVE-2015-8317**
DESCRIPTION:** libxml2 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the xmlParseXMLDecl function. By using a malformed XML file, a local attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108316 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Identity Insight 8.1

Remediation/Fixes

Download and apply isii_8.1.0.4_ifix003 from Fix Central.

Workarounds and Mitigations

None