Articles / Ubuntu: New OpenJDK package…

Ubuntu: New OpenJDK packages fix security vulnerabilities

Deepak Bhole discovered a flaw in the Same Origin Policy (SOP) implementation in the IcedTea web browser plugin. This could allow a remote attacker to open connections to certain hosts that should not be permitted. Juliano Rizzo and Thai Duong discovered that the block-wise AES encryption algorithm block-wise as used in TLS/SSL was vulnerable to a chosen-plaintext attack. This could allow a remote attacker to view confidential data. It was discovered that a type confusion flaw existed in the in the Internet Inter-Orb Protocol (IIOP) deserialization code. A remote attacker could use this to cause an untrusted application or applet to execute arbitrary code by deserializing malicious input.

It was discovered that the Java scripting engine did not perform SecurityManager checks. This could allow a remote attacker to cause an untrusted application or applet to execute arbitrary code with the full privileges of the JVM. It was discovered that the InputStream class used a global buffer to store input bytes skipped. An attacker could possibly use this to gain access to sensitive information. It was discovered that a vulnerability existed in the AWTKeyStroke class. A remote attacker could cause an untrusted application or applet to execute arbitrary code.

It was discovered that an integer overflow vulnerability existed in the TransformHelper class in the Java2D implementation. A remote attacker could use this cause a denial of service via an application or applet crash or possibly execute arbitrary code. It was discovered that the default number of available UDP sockets for applications running under SecurityManager restrictions was set too high. A remote attacker could use this with a malicious application or applet exhaust the number of available UDP sockets to cause a denial of service for other applets or applications running within the same JVM. It was discovered that Java API for XML Web Services (JAX-WS) could incorrectly expose a stack trace. A remote attacker could potentially use this to gain access to sensitive information.

It was discovered that the unpacker for pack200 JAR files did not sufficiently check for errors. An attacker could cause a denial of service or possibly execute arbitrary code through a specially crafted pack200 JAR file. It was discovered that the RMI registration implementation did not properly restrict privileges of remotely executed code. A remote attacker could use this to execute code with elevated privileges. It was discovered that the HotSpot VM could be made to crash, allowing an attacker to cause a denial of service or possibly leak sensitive information.

It was discovered that the HttpsURLConnection class did not properly perform SecurityManager checks in certain situations. This could allow a remote attacker to bypass restrictions on HTTPS connections.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1263-1
November 16, 2011

icedtea-web, openjdk-6, openjdk-6b18 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

Multiple OpenJDK 6 and IcedTea-Web vulnerabilities have been fixed.

Software Description:
- icedtea-web: A web browser plugin to execute Java applets
- openjdk-6: Open Source Java implementation
- openjdk-6b18: Open Source Java implementation

Details:

Deepak Bhole discovered a flaw in the Same Origin Policy (SOP)
implementation in the IcedTea web browser plugin. This could allow a
remote attacker to open connections to certain hosts that should
not be permitted. (CVE-2011-3377)

Juliano Rizzo and Thai Duong discovered that the block-wise AES
encryption algorithm block-wise as used in TLS/SSL was vulnerable to
a chosen-plaintext attack. This could allow a remote attacker to view
confidential data. (CVE-2011-3389)

It was discovered that a type confusion flaw existed in the in
the Internet Inter-Orb Protocol (IIOP) deserialization code. A
remote attacker could use this to cause an untrusted application
or applet to execute arbitrary code by deserializing malicious
input. (CVE-2011-3521)

It was discovered that the Java scripting engine did not perform
SecurityManager checks. This could allow a remote attacker to cause
an untrusted application or applet to execute arbitrary code with
the full privileges of the JVM. (CVE-2011-3544)

It was discovered that the InputStream class used a global buffer to
store input bytes skipped. An attacker could possibly use this to gain
access to sensitive information. (CVE-2011-3547)

It was discovered that a vulnerability existed in the AWTKeyStroke
class. A remote attacker could cause an untrusted application or applet
to execute arbitrary code. (CVE-2011-3548)

It was discovered that an integer overflow vulnerability existed
in the TransformHelper class in the Java2D implementation. A remote
attacker could use this cause a denial of service via an application
or applet crash or possibly execute arbitrary code. (CVE-2011-3551)

It was discovered that the default number of available UDP sockets for
applications running under SecurityManager restrictions was set too
high. A remote attacker could use this with a malicious application or
applet exhaust the number of available UDP sockets to cause a denial
of service for other applets or applications running within the same
JVM. (CVE-2011-3552)

It was discovered that Java API for XML Web Services (JAX-WS) could
incorrectly expose a stack trace. A remote attacker could potentially
use this to gain access to sensitive information. (CVE-2011-3553)

It was discovered that the unpacker for pack200 JAR files did not
sufficiently check for errors. An attacker could cause a denial of
service or possibly execute arbitrary code through a specially crafted
pack200 JAR file. (CVE-2011-3554)

It was discovered that the RMI registration implementation did not
properly restrict privileges of remotely executed code. A remote
attacker could use this to execute code with elevated privileges.
(CVE-2011-3556, CVE-2011-3557)

It was discovered that the HotSpot VM could be made to crash, allowing
an attacker to cause a denial of service or possibly leak sensitive
information. (CVE-2011-3558)

It was discovered that the HttpsURLConnection class did not
properly perform SecurityManager checks in certain situations. This
could allow a remote attacker to bypass restrictions on HTTPS
connections. (CVE-2011-3560)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.10:
 icedtea-6-jre-cacao             6b23~pre11-0ubuntu1.11.10
 icedtea-6-jre-jamvm             6b23~pre11-0ubuntu1.11.10
 icedtea-netx                    1.1.3-1ubuntu1.1
 icedtea-plugin                  1.1.3-1ubuntu1.1
 openjdk-6-jre                   6b23~pre11-0ubuntu1.11.10
 openjdk-6-jre-headless          6b23~pre11-0ubuntu1.11.10
 openjdk-6-jre-lib               6b23~pre11-0ubuntu1.11.10
 openjdk-6-jre-zero              6b23~pre11-0ubuntu1.11.10

Ubuntu 11.04:
 icedtea-6-jre-cacao             6b22-1.10.4-0ubuntu1~11.04.1
 icedtea-6-jre-jamvm             6b22-1.10.4-0ubuntu1~11.04.1
 icedtea-netx                    1.1.1-0ubuntu1~11.04.2
 icedtea-plugin                  1.1.1-0ubuntu1~11.04.2
 openjdk-6-jre                   6b22-1.10.4-0ubuntu1~11.04.1
 openjdk-6-jre-headless          6b22-1.10.4-0ubuntu1~11.04.1
 openjdk-6-jre-lib               6b22-1.10.4-0ubuntu1~11.04.1
 openjdk-6-jre-zero              6b22-1.10.4-0ubuntu1~11.04.1

Ubuntu 10.10:
 icedtea-6-jre-cacao             6b20-1.9.10-0ubuntu1~10.10.2
 openjdk-6-demo                  6b20-1.9.10-0ubuntu1~10.10.2
 openjdk-6-jdk                   6b20-1.9.10-0ubuntu1~10.10.2
 openjdk-6-jre                   6b20-1.9.10-0ubuntu1~10.10.2
 openjdk-6-jre-headless          6b20-1.9.10-0ubuntu1~10.10.2
 openjdk-6-jre-lib               6b20-1.9.10-0ubuntu1~10.10.2
 openjdk-6-jre-zero              6b20-1.9.10-0ubuntu1~10.10.2

Ubuntu 10.04 LTS:
 icedtea-6-jre-cacao             6b20-1.9.10-0ubuntu1~10.04.2
 icedtea6-plugin                 6b20-1.9.10-0ubuntu1~10.04.2
 openjdk-6-demo                  6b20-1.9.10-0ubuntu1~10.04.2
 openjdk-6-jre                   6b20-1.9.10-0ubuntu1~10.04.2
 openjdk-6-jre-headless          6b20-1.9.10-0ubuntu1~10.04.2
 openjdk-6-jre-lib               6b20-1.9.10-0ubuntu1~10.04.2
 openjdk-6-jre-zero              6b20-1.9.10-0ubuntu1~10.04.2

After a standard system update you need to restart any Java applications
or applets to make all the necessary changes.

References:
 http://www.ubuntu.com/usn/usn-1263-1
 CVE-2011-3377, CVE-2011-3389, CVE-2011-3521, CVE-2011-3544,
 CVE-2011-3547, CVE-2011-3548, CVE-2011-3551, CVE-2011-3552,
 CVE-2011-3553, CVE-2011-3554, CVE-2011-3556, CVE-2011-3557,
 CVE-2011-3558, CVE-2011-3560

Package Information:
 https://launchpad.net/ubuntu/+source/icedtea-web/1.1.3-1ubuntu1.1
 https://launchpad.net/ubuntu/+source/openjdk-6/6b23~pre11-0ubuntu1.11.10
 https://launchpad.net/ubuntu/+source/icedtea-web/1.1.1-0ubuntu1~11.04.2
 https://launchpad.net/ubuntu/+source/openjdk-6/6b22-1.10.4-0ubuntu1~11.04.1
 https://launchpad.net/ubuntu/+source/openjdk-6b18/6b18-1.8.10-0ubuntu1~11.04.1
 https://launchpad.net/ubuntu/+source/openjdk-6/6b20-1.9.10-0ubuntu1~10.10.2
 https://launchpad.net/ubuntu/+source/openjdk-6b18/6b18-1.8.10-0ubuntu1~10.10.2
 https://launchpad.net/ubuntu/+source/openjdk-6/6b20-1.9.10-0ubuntu1~10.04.2
 https://launchpad.net/ubuntu/+source/openjdk-6b18/6b18-1.8.10-0ubuntu1~10.04.2
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