==========================================================================
Ubuntu Security Notice USN-2706-1
August 06, 2015
openjdk-6 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in OpenJDK 6.
Software Description:
– openjdk-6: Open Source Java implementation
Details:
Several vulnerabilities were discovered in the OpenJDK JRE related to
information disclosure, data integrity, and availability. An attacker
could exploit these to cause a denial of service or expose sensitive
data over the network. (CVE-2015-2590, CVE-2015-2628, CVE-2015-4731,
CVE-2015-4732, CVE-2015-4733, CVE-2015-4760, CVE-2015-4748)
Several vulnerabilities were discovered in the cryptographic components
of the OpenJDK JRE. An attacker could exploit these to expose sensitive
data over the network. (CVE-2015-2601, CVE-2015-2808, CVE-2015-4000,
CVE-2015-2625, CVE-2015-2613)
As a security improvement, this update modifies OpenJDK behavior to
disable RC4 TLS/SSL cipher suites by default.
As a security improvement, this update modifies OpenJDK behavior to
reject DH key sizes below 768 bits by default, preventing a possible
downgrade attack.
Several vulnerabilities were discovered in the OpenJDK JRE related
to information disclosure. An attacker could exploit these to expose
sensitive data over the network. (CVE-2015-2621, CVE-2015-2632)
A vulnerability was discovered with how the JNDI component of the
OpenJDK JRE handles DNS resolutions. A remote attacker could exploit
this to cause a denial of service. (CVE-2015-4749)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
icedtea-6-jre-cacao 6b36-1.13.8-0ubuntu1~12.04
icedtea-6-jre-jamvm 6b36-1.13.8-0ubuntu1~12.04
openjdk-6-jdk 6b36-1.13.8-0ubuntu1~12.04
openjdk-6-jre 6b36-1.13.8-0ubuntu1~12.04
openjdk-6-jre-headless 6b36-1.13.8-0ubuntu1~12.04
openjdk-6-jre-lib 6b36-1.13.8-0ubuntu1~12.04
openjdk-6-jre-zero 6b36-1.13.8-0ubuntu1~12.04
openjdk-6-source 6b36-1.13.8-0ubuntu1~12.04
This update uses a new upstream release, which includes additional
bug fixes. 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-2706-1
CVE-2015-2590, CVE-2015-2601, CVE-2015-2621, CVE-2015-2625,
CVE-2015-2628, CVE-2015-2632, CVE-2015-2808, CVE-2015-4000,
CVE-2015-4731, CVE-2015-4732, CVE-2015-4733, CVE-2015-4748,
CVE-2015-4749, CVE-2015-4760
Package Information:
https://launchpad.net/ubuntu/+source/openjdk-6/6b36-1.13.8-0ubuntu1~12.04
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1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=rpyW
—–END PGP SIGNATURE—–
—
