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Debian Security Advisory DSA-2356-1                   security@debian.org
http://www.debian.org/security/                            Florian Weimer
December 01, 2011                      http://www.debian.org/security/faq
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Package        : openjdk-6
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : 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-2011-3560

Several vulnerabilities have been discovered in OpenJDK, an
implementation of the Java platform:

CVE-2011-3389
	The TLS implementation does not guard properly against certain
	chosen-plaintext attacks when block ciphers are used in CBC
	mode.

CVE-2011-3521
	The CORBA implementation contains a deserialization
	vulnerability in the IIOP implementation, allowing untrusted
	Java code (such as applets) to elevate its privileges.

CVE-2011-3544
	The Java scripting engine lacks necessary security manager
	checks, allowing untrusted Java code (such as applets) to
	elevate its privileges.

CVE-2011-3547
	The skip() method in java.io.InputStream uses a shared buffer,
	allowing untrusted Java code (such as applets) to access data
	that is skipped by other code.

CVE-2011-3548
	The java.awt.AWTKeyStroke class contains a flaw which allows
	untrusted Java code (such as applets) to elevate its
	privileges.

CVE-2011-3551
	The Java2D C code contains an integer overflow which results
	in a heap-based buffer overflow, potentially allowing
	untrusted Java code (such as applets) to elevate its
	privileges.

CVE-2011-3552
	Malicous Java code can use up an excessive amount of UDP
	ports, leading to a denial of service.

CVE-2011-3553
	JAX-WS enables stack traces for certain server responses by
	default, potentially leaking sensitive information.

CVE-2011-3554
	JAR files in pack200 format are not properly checked for
	errors, potentially leading to arbitrary code execution when
	unpacking crafted pack200 files.

CVE-2011-3556
	The RMI Registry server lacks access restrictions on certain
	methods, allowing a remote client to execute arbitary code.

CVE-2011-3557
	The RMI Registry server fails to properly restrict privileges
	of untrusted Java code, allowing RMI clients to elevate their
	privileges on the RMI Registry server.

CVE-2011-3560
	The com.sun.net.ssl.HttpsURLConnection class does not perform
	proper security manager checks in the setSSLSocketFactory()
	method, allowing untrusted Java code to bypass security policy
	restrictions.

For the stable distribution (squeeze), this problem has been fixed in
version 6b18-1.8.10-0+squeeze1.

For the testing distribution (wheezy) and the unstable distribution
(sid), this problem has been fixed in version 6b23~pre11-1.

We recommend that you upgrade your openjdk-6 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org