what you don't know can hurt you

Oracle Java Font Processing Glyph Element Memory Corruption

Oracle Java Font Processing Glyph Element Memory Corruption
Posted Oct 25, 2012
Authored by Matthieu Bonetti, VUPEN | Site vupen.com

The VUPEN Vulnerability Research Team has discovered a critical vulnerability in Oracle Java. Versions JRE / JDK 7u7 and below are affected. The vulnerability is caused by a memory corruption error within the "t2k.dll" component when processing certain glyph elements within a Font file, which could be exploited by remote attackers to compromise a vulnerable system via a specially crafted web page.

tags | advisory, java, remote, web
MD5 | eb5681c8f67ee20467f1ef395d71bcef

Oracle Java Font Processing Glyph Element Memory Corruption

Change Mirror Download
VUPEN Security Research - Oracle Java Font Processing Glyph Element
Memory Corruption Vulnerability

Website : http://www.vupen.com

Twitter : http://twitter.com/vupen


I. BACKGROUND
---------------------

Java is a programming language and computing platform released by Sun
Microsystems (now Oracle). It is the underlying technology that powers
state-of-the-art programs including utilities, games, and business
applications.


II. DESCRIPTION
---------------------

VUPEN Vulnerability Research Team discovered a critical vulnerability
in Oracle Java.

The vulnerability is caused by a memory corruption error within the
"t2k.dll"
component when processing certain glyph elements within a Font file,
which could be exploited by remote attackers to compromise a vulnerable
system via a specially crafted web page.

CVSS Score: 10 (AV:N/AC:L/Au:N/C:C/I:C/A:C)


III. AFFECTED PRODUCTS
---------------------------

Oracle Java JRE 7u7 and prior
Oracle Java JDK 7u7 and prior


IV. Binary Analysis & Exploits/PoCs
---------------------------------------

In-depth technical analysis of the vulnerability and a fully functional
remote code execution exploit or PoC are available through the VUPEN BAE
(Binary Analysis & Exploits) portal:

http://www.vupen.com/english/services/ba-index.php

VUPEN Binary Analysis & Exploits Service provides private exploits and
in-depth technical analysis of the most significant public vulnerabilities
based on disassembly, reverse engineering, protocol analysis, and code
audit.

The service allows governments and major corporations to evaluate risks, and
protect infrastructures and assets against new threats. The service also
allows security vendors (IPS, IDS, AntiVirus) to supplement their internal
research efforts and quickly develop both vulnerability-based and
exploit-based signatures to proactively protect their customers from attacks
and emerging threats.


V. VUPEN Threat Protection Program
-----------------------------------

Governments and major corporations which are members of the VUPEN Threat
Protection Program (TPP) have been proactively alerted about the
vulnerability
when it was discovered by VUPEN in advance of its public disclosure, and
have received a detailed attack detection guidance to protect national and
critical infrastructures against potential 0-day attacks exploiting this
vulnerability:

http://www.vupen.com/english/services/tpp-index.php


VI. SOLUTION
----------------

Upgrade to Oracle Java 7u9 or later


VII. CREDIT
--------------

This vulnerability was discovered by Matthieu Bonetti of VUPEN Security


VIII. ABOUT VUPEN Security
---------------------------

VUPEN is the leadering provider of advanced vulnerability research for
defensive and offensive cyber security. VUPEN solutions enable corporations
and governments to measure and manage risks, eliminate vulnerabilities
before they can be exploited, and protect critical infrastructures and
assets against known and unknown vulnerabilities.

VUPEN has been recognized as "Company of the Year 2011 in the Vulnerability
Research Market" by Frost & Sullivan.

VUPEN solutions include:

* VUPEN Binary Analysis & Exploits Service (BAE) :
http://www.vupen.com/english/services/ba-index.php

* VUPEN Threat Protection Program (TPP) :
http://www.vupen.com/english/services/tpp-index.php


IX. REFERENCES
----------------------
--
Chaouki Bekrar - VUPEN
CEO & Head of Research
Email: bekrar@vupen.com
Phone: +33 434 883 580
Fax: +33 434 883 581
http://www.vupen.com
http://twitter.com/vupen
http://www.oracle.com/technetwork/topics/security/javacpuoct2012-1515924.html
http://www.vupen.com/english/research.php


X. DISCLOSURE TIMELINE
-----------------------------

2012-09-26 - Vulnerability Discovered by VUPEN
2012-10-16 - Public disclosure

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

July 2019

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jul 1st
    34 Files
  • 2
    Jul 2nd
    15 Files
  • 3
    Jul 3rd
    9 Files
  • 4
    Jul 4th
    8 Files
  • 5
    Jul 5th
    2 Files
  • 6
    Jul 6th
    3 Files
  • 7
    Jul 7th
    1 Files
  • 8
    Jul 8th
    15 Files
  • 9
    Jul 9th
    15 Files
  • 10
    Jul 10th
    20 Files
  • 11
    Jul 11th
    17 Files
  • 12
    Jul 12th
    15 Files
  • 13
    Jul 13th
    2 Files
  • 14
    Jul 14th
    1 Files
  • 15
    Jul 15th
    20 Files
  • 16
    Jul 16th
    0 Files
  • 17
    Jul 17th
    0 Files
  • 18
    Jul 18th
    0 Files
  • 19
    Jul 19th
    0 Files
  • 20
    Jul 20th
    0 Files
  • 21
    Jul 21st
    0 Files
  • 22
    Jul 22nd
    0 Files
  • 23
    Jul 23rd
    0 Files
  • 24
    Jul 24th
    0 Files
  • 25
    Jul 25th
    0 Files
  • 26
    Jul 26th
    0 Files
  • 27
    Jul 27th
    0 Files
  • 28
    Jul 28th
    0 Files
  • 29
    Jul 29th
    0 Files
  • 30
    Jul 30th
    0 Files
  • 31
    Jul 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2019 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close