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HistoryJun 16, 2018 - 9:46 p.m.

Security Bulletin: Multiple vulnerabilities in libxml2 affect IBM Security Identity Governance

2018-06-1621:46:32
www.ibm.com
11

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

Summary

Vulnerabilities in libxml2 that is used by IBM Security Identity Governance

Vulnerability Details

CVEID: CVE-2016-1762**
DESCRIPTION:** Apple Safari and Apple iOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error in libxml2. By persuading a victim to open a specially-crafted XML file, a remote attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111628 for the 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)

CVEID: CVE-2016-1833**
DESCRIPTION:** Apple Mac OS X and Apple IOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error in libxml2. By persuading a victim to open a specially crafted XML file, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113327 for the 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)

CVEID: CVE-2016-1834**
DESCRIPTION:** Apple Mac OS X and Apple IOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error in libxml2. By persuading a victim to open a specially crafted XML file, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113328 for the 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)

CVEID: CVE-2016-1835**
DESCRIPTION:** Apple Mac OS X and Apple IOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error in libxml2. By persuading a victim to open a specially crafted XML file, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113329 for the 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)

CVEID: CVE-2016-1836**
DESCRIPTION:** Apple Mac OS X and Apple IOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error in libxml2. By persuading a victim to open a specially crafted XML file, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113330 for the 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)

CVEID: CVE-2016-1837**
DESCRIPTION:** Apple Mac OS X and Apple IOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error in libxml2. By persuading a victim to open a specially crafted XML file, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113331 for the 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)

CVEID: CVE-2016-1838**
DESCRIPTION:** Apple Mac OS X and Apple IOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error in libxml2. By persuading a victim to open a specially crafted XML file, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113332 for the 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)

CVEID: 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 https://exchange.xforce.ibmcloud.com/vulnerabilities/113523 for the 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)

CVEID: 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 https://exchange.xforce.ibmcloud.com/vulnerabilities/113524 for the 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)

CVEID: CVE-2016-1839**
DESCRIPTION:** Apple Mac OS X and Apple IOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error in libxml2. By persuading a victim to open a specially crafted XML file, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113333 for the 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)

CVEID: CVE-2016-1840**
DESCRIPTION:** Apple Mac OS X and Apple IOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error in libxml2. By persuading a victim to open a specially crafted XML file, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113334 for the 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)

CVEID: 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 https://exchange.xforce.ibmcloud.com/vulnerabilities/111586 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-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 https://exchange.xforce.ibmcloud.com/vulnerabilities/112885 for the 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)

CVEID: 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 https://exchange.xforce.ibmcloud.com/vulnerabilities/113522 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)

Affected Products and Versions

IBM Security Identity Governance and Intelligence 5.2.1 Virtual Appliance

Remediation/Fixes

Product Name

| VRMF | APAR| Remediation/Fix
—|—|—|—
IBM Security Identity Governance and Intelligence| 5.2.1| None| 5.2.1.3-ISS-SIGI-IF0004

Workarounds and Mitigations

None

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

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