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  • [SECURITY] [DSA 2399-1] php5 security update

    From Thijs Kinkhorst@1:229/2 to All on Tue Jan 31 08:30:01 2012
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2399-1 [email protected] http://www.debian.org/security/ Thijs Kinkhorst January 31, 2012 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : php5
    Vulnerability : several
    Problem type : remote
    Debian-specific: no
    CVE ID : CVE-2011-1938 CVE-2011-2483 CVE-2011-4566 CVE-2011-4885
    CVE-2012-0057

    Several vulnerabilities have been discovered in PHP, the web scripting language. The Common Vulnerabilities and Exposures project identifies
    the following issues:

    CVE-2011-1938

    The UNIX socket handling allowed attackers to trigger a buffer overflow
    via a long path name.

    CVE-2011-2483

    The crypt_blowfish function did not properly handle 8-bit characters,
    which made it easier for attackers to determine a cleartext password
    by using knowledge of a password hash.

    CVE-2011-4566

    When used on 32 bit platforms, the exif extension could be used to
    trigger an integer overflow in the exif_process_IFD_TAG function
    when processing a JPEG file.

    CVE-2011-4885

    It was possible to trigger hash collisions predictably when parsing
    form parameters, which allows remote attackers to cause a denial of
    service by sending many crafted parameters.

    CVE-2012-0057

    When applying a crafted XSLT transform, an attacker could write files
    to arbitrary places in the filesystem.

    NOTE: the fix for CVE-2011-2483 required changing the behaviour of this function: it is now incompatible with some old (wrongly) generated hashes
    for passwords containing 8-bit characters. See the package NEWS entry
    for details. This change has not been applied to the Lenny version of PHP.


    For the oldstable distribution (lenny), these problems have been fixed
    in version 5.2.6.dfsg.1-1+lenny14.

    For the stable distribution (squeeze), these problems have been fixed
    in version 5.3.3-7+squeeze5.

    For the testing distribution (wheezy) and unstable distribution (sid),
    these problems have been fixed in version 5.3.9-1.

    We recommend that you upgrade your php5 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: [email protected]
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