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Vulnerability Alert

Oracle Java SE Java Sandbox Remote Security Bypass Vulnerability

 
Threat Type:CWE-264: Permissions, Privileges, and Access Control
IntelliShield ID:26159
Version:4
First Published:2012 June 15 13:52 GMT
Last Published:2013 April 02 13:17 GMT
Port: Not available
CVE:CVE-2012-1723
BugTraq ID:53960
Urgency:Possible use
Credibility:Confirmed
Severity:Moderate Damage
CVSS Base:9.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:7.7
 
Version Summary:HP has released a security bulletin and updated software to address the Oracle Java SE Java sandbox remote security bypass vulnerability.
 
 
Description
Oracle Java SE contains a vulnerability that could allow an unauthenticated, remote attacker to bypass security restrictions and execute arbitrary code on a targeted system.

The vulnerability is due to improper processing of certain user-supplied files. An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to open a malicious Java applet. If successful, the attacker could execute arbitrary code on the system with the privileges of the user.

Functional code that exploits this vulnerability is available as part of the Metasploit framework.

Oracle has confirmed the vulnerability and released software updates.
 
Warning Indicators
The following Oracle products are vulnerable:

  • JDK and JRE 7 Update 4 and earlier
  • JDK and JRE 6 Update 32 and earlier
  • JDK and JRE 5.0 Update 35 and earlier
  • SDK and JRE 1.4.2_37 and earlier
 
IntelliShield Analysis
To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.

A successful exploit could allow the attacker to execute arbitrary code with the privileges of the user.  If the user holds elevated privileges, code execution could allow the attacker to cause a complete system compromise.
 
Vendor Announcements
Oracle has released a security advisory at the following link: Oracle Java SE Critical Patch Update Advisory - June 2012

Apple has released a security advisory at the following link: HT5319

HP has released security bulletin c03441075 at the following link: HPSBUX02805 SSRT100919

Red Hat has released security advisories at the following links: RHSA-2012:0729, RHSA-2012:0730, RHSA-2012:0734, RHSA-2012:1019, and RHSA-2012:1009
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to bypass security restrictions and execute arbitrary code on a targeted system with the privileges of the user.
 
Technical Information
The vulnerability is in a field lookup code of the HotSpot Java Virtual Machine (JVM). The affected component could fail to perform checks on accessibility rules on static or nonstatic variable mismatch.

An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to open a Java applet that contains malicious class files. When processing the applet, the JVM may improperly check the classes, allowing the attacker to bypass sandbox security restrictions and execute arbitrary code on the system in a privileged security context.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Users are advised not to open unsolicited e-mail attachments. Users should verify that attachments are safe before opening them.

Administrators are advised to monitor affected systems.
 
Patches/Software
Oracle has released patches for registered users at the following link: Oracle

Apple has released updated software at the following links:
Java for Mac OS X 10.6 Update 9
Java for OS X Lion 2012-004

CentOS packages can be updated using the up2date or yum command.

HP has released updated software at the following links:
HP-UX B.11.11, B.11.23
JDK and JRE v6.0.15 or subsequent

HP-UX B.11.23, B.11.31
JDK and JRE v6.0.15 or subsequent

HP-UX B.11.23, B.11.31
JDK and JRE v7.0.02 or subsequent
Red Hat packages can be updated using the up2date or yum command.
 
Alert History
 

Version 3, August 7, 2012, 3:27 PM: Functional code that demonstrates an exploit of the Oracle Java SE Java sandbox remote security bypass vulnerability is publicly available.

Version 2, June 25, 2012, 2:55 PM:
Red Hat has released additional security advisories and updated packages to address the Oracle Java SE Java sandbox remote security bypass vulnerability.

Version 1, June 15, 2012, 8:52 AM: Oracle Java SE contains a vulnerability that could allow an unauthenticated, remote attacker to bypass security restrictions and execute arbitrary code.  Updates are available.



Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
Sun Microsystems, Inc.Java Development Kit (JDK) 5.0.0 Base, Update 1, Update 2, Update 3, Update 4, Update 5, Update 6, Update 7, Update 8, Update 9, Update 10, Update 11, Update 12, Update 13, Update 14, Update 15, Update 16, Update 17, Update 18, Update 19, Update 20, Update 21, Update 22, Update 23, Update 24, Update 25, Update 26, Update 27, Update 28, Update 29, Update 30, Update 31, Update 32, Update 33, Update 34, Update 35 | 6.0.0 Base, Update 1, Update 2, Update 3, Update 4, Update 5, Update 6, Update 7, Update 8, Update 9, Update 10, Update 11, Update 12, Update 13, Update 14, Update 15, Update 16, Update 17, Update 18, Update 19, Update 20, Update 21, Update 22, Update 23, Update 24, Update 25, Update 26, Update 27, Update 28, Update 29, Update 30, Update 31, Update 32 | 7.0.0 Base, Update 1, Update 2, Update 3, Update 4
Sun Microsystems, Inc.Java Runtime Environment (JRE) 1.4.2 Base, _01, _02, _03, _04, _05, _06, _07, _08, _09, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37 | 5.0.0 Base, Update 1, Update 2, Update 3, Update 4, Update 5, Update 6, Update 7, Update 8, Update 9, Update 10, Update 11, Update 12, Update 13, Update 14, Update 15, Update 16, Update 17, Update 18, Update 19, Update 20, Update 21, Update 22, Update 23, Update 24, Update 25, Update 26, Update 27, Update 28, Update 29, Update 30, Update 31, Update 32, Update 33, Update 34, Update 35 | 6.0 Base, Update 1, Update 2, Update 3, Update 4, Update 5, Update 6, Update 7, Update 10, Update 11, Update 12, Update 13, Update 14, Update 15, Update 16, Update 17, Update 18, Update 19, Update 20, Update 21, Update 22, Update 23, Update 24, Update 25, Update 26, Update 27, Update 28, Update 29, Update 30, Update 31, Update 32 | 7.0 Base, Update 1, Update 2, Update 3, Update 4
Sun Microsystems, Inc.Java Software Development Kit (SDK) 1.4.2 Base, _01, _02, _03, _04, _05, _06, _07, _08, _09, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37

Associated Products:
AppleMac OS X 10.6 Intel, PPC | 10.6.1 Intel, PPC | 10.6.2 Base | 10.6.3 Base | 10.6.4 Base | 10.6.5 Base | 10.6.6 Base | 10.6.7 Base | 10.6.8 Base | 10.7 Base | 10.7.1 Base | 10.7.2 Base | 10.7.3 Base | 10.7.4 Base
AppleMac OS X Server 10.6 Intel, PPC | 10.6.1 Intel, PPC | 10.6.2 Base | 10.6.3 Base | 10.6.4 Base | 10.6.5 Base | 10.6.6 Base | 10.6.7 Base | 10.6.8 Base | 10.7 Base | 10.7.1 Base | 10.7.2 Base | 10.7.3 Base | 10.7.4 Base
CentOS ProjectCentOS 5 .0 i386, .0 x86_64, .1 i386, .1 x86_64, .2 i386, .2 x86_64, .3 i386, .3 x86_64, .4 i386, .4 x86_64, .5 i386, .5 x86_64 | 6 .0 i386, .0 x86_64, .1 i386, .1 x86_64, .2 i386, .2 x86_64
HPHP Java Development Kit (JDK) 6.0 .01, .02, .03, .04, .05, .06, .07, .08, .09, .10, .11, .12, .13, .14 | 7.0 Base
HPHP Java Runtime Environment (JRE) 6.0 .01, .02, .03, .04, .05, .06, .07, .08, .09, .10, .11, .12, .13, .14 | 7.0 Base
HPHP-UX 11.11/11i Base | 11.23 Base | 11.31 Base
Red Hat, Inc.Red Hat Enterprise Linux 5 IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Server AUS 6.2 IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Desktop 5 IA-32, x86_64 | 6 IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Desktop Supplementary 5.0 IA-32, x86-64 | 6 IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux HPC Node 6 x86_64
Red Hat, Inc.Red Hat Enterprise Linux HPC Node Supplementary 6 x86_64
Red Hat, Inc.Red Hat Enterprise Linux Server 6 IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Server EUS 6.2.z IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Server Supplementary 6 IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Server Supplementary EUS 6.2.z IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Workstation 6 IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Workstation Supplementary 6 IA-32, x86_64
Red Hat, Inc.RHEL Supplementary 5 IA-32, x86_64




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