[SECURITY] [DSA 2356-1] openjdk-6 security update

[Florian Weimer <fw@xxxxxxxxxxxxx>]

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Debian Security Advisory DSA-2356-1                   security@xxxxxxxxxx
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@xxxxxxxxxxxxxxxx
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