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Packet Storm Advisory 2013-0917-1 - Oracle Java ShortComponentRaster.verify()

Packet Storm Advisory 2013-0917-1 - Oracle Java ShortComponentRaster.verify()
Posted Sep 17, 2013
Site packetstormsecurity.com

The ShortComponentRaster.verify() method in Oracle Java versions prior to 7u25 is vulnerable to a memory corruption vulnerability that allows bypassing of "dataOffsets[]" boundary checks when the "numDataElements" field is 0. This vulnerability allows for remote code execution. User interaction is required for this exploit in that the target must visit a malicious page or open a malicious file. This finding was purchased through the Packet Storm Bug Bounty program.

tags | advisory, java, remote, code execution, bug bounty, packet storm
systems | windows
SHA-256 | 9b46afd762236e62d711f0fada9c9de29c69547da21046abe1e2ed3b09781fcc

Packet Storm Advisory 2013-0917-1 - Oracle Java ShortComponentRaster.verify()

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

+------------------------------------------------------------------------------+
| Packet Storm Advisory 2013-0917-1 |
| http://packetstormsecurity.com/ |
+------------------------------------------------------------------------------+
| Title: Oracle Java ShortComponentRaster.verify() Memory Corruption |
+--------------------+---------------------------------------------------------+
| Release Date | 2013/09/17 |
| Advisory Contact | Packet Storm (advisories@packetstormsecurity.com) |
| Researcher | Name Withheld |
+--------------------+---------------------------------------------------------+
| System Affected | Oracle Java |
| Versions Affected | Prior to 7u25 |
| Vendor Patched | 2013/06/18 |
| Classification | 0-day |
+--------------------+---------------------------------------------------------+

+----------+
| OVERVIEW |
+----------+

The release of this advisory provides exploitation details in relation to a
known patched vulnerability in Oracle Java. These details were obtained
through the Packet Storm Bug Bounty program and are being released to the
community.

+------------------------------------------------------------------------------+

+---------+
| DETAILS |
+---------+

The ShortComponentRaster.verify() method in Oracle Java versions prior to 7u25
is vulnerable to a memory corruption vulnerability that allows bypassing of
"dataOffsets[]" boundary checks when the "numDataElements" field is 0. This
vulnerability allows for remote code execution. User interaction is required
for this exploit in that the target must visit a malicious page or open a
malicious file.

+------------------------------------------------------------------------------+

+------------------+
| PROOF OF CONCEPT |
+------------------+

The full exploit code that pops calc.exe is available here:

http://packetstormsecurity.com/files/123263/

+------------------------------------------------------------------------------+

+---------------+
| RELATED LINKS |
+---------------+

http://www.oracle.com/technetwork/java/javase/7u25-relnotes-1955741.html

+------------------------------------------------------------------------------+


+----------------+
| SHAMELESS PLUG |
+----------------+

The Packet Storm Bug Bounty program gives researchers the ability to profit
from their discoveries. You can get paid thousands of dollars for one day
and zero day exploits. Get involved by contacting us at
getpaid@packetstormsecurity.com or visit the bug bounty page at:

http://packetstormsecurity.com/bugbounty/


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