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  • [SECURITY] [DSA 2332-1] python-django security update

    From Thijs Kinkhorst@1:229/2 to All on Sat Oct 29 08:00:02 2011
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2332-1 [email protected] http://www.debian.org/security/ Thijs Kinkhorst October 29, 2011 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : python-django
    Vulnerability : several issues
    Problem type : remote
    Debian-specific: no
    CVE ID : CVE-2011-4136 CVE-2011-4137 CVE-2011-4138 CVE-2011-4139
    CVE-2011-4140
    Debian Bug : 641405

    Paul McMillan, Mozilla and the Django core team discovered several vulnerabilities in Django, a Python web framework:

    CVE-2011-4136

    When using memory-based sessions and caching, Django sessions are
    stored directly in the root namespace of the cache. When user data is
    stored in the same cache, a remote user may take over a session.

    CVE-2011-4137, CVE-2011-4138

    Django's field type URLfield by default checks supplied URL's by
    issuing a request to it, which doesn't time out. A Denial of Service
    is possible by supplying specially prepared URL's that keep the
    connection open indefinately or fill the Django's server memory.

    CVE-2011-4139

    Django used X-Forwarded-Host headers to construct full URL's. This
    header may not contain trusted input and could be used to poison the
    cache.

    CVE-2011-4140

    The CSRF protection mechanism in Django does not properly handle
    web-server configurations supporting arbitrary HTTP Host headers,
    which allows remote attackers to trigger unauthenticated forged
    requests.

    For the oldstable distribution (lenny), this problem has been fixed in
    version 1.0.2-1+lenny3.

    For the stable distribution (squeeze), this problem has been fixed in
    version 1.2.3-3+squeeze2.

    For the testing (wheezy) and unstable distribution (sid), this problem
    has been fixed in version 1.3.1-1.

    We recommend that you upgrade your python-django 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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