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  • [SECURITY] [DSA 2246-1] mahara security update

    From Giuseppe Iuculano@1:229/2 to All on Sun May 29 14:10:02 2011
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2246-1 [email protected] http://www.debian.org/security/ Giuseppe Iuculano
    May 29, 2011 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : mahara
    Vulnerability : several vulnerabilities
    Problem type : remote
    Debian-specific: no
    CVE ID : CVE-2011-1402 CVE-2011-1403 CVE-2011-1404 CVE-2011-1405
    CVE-2011-1406


    Several vulnerabilities were discovered in mahara, an electronic portfolio, weblog, and resume builder. The following Common Vulnerabilities and
    Exposures project ids identify them:


    CVE-2011-1402

    It was discovered that previous versions of Mahara did not check user
    credentials before adding a secret URL to a view or suspending a user.


    CVE-2011-1403

    Due to a misconfiguration of the Pieform package in Mahara, the cross-site
    request forgery protection mechanism that Mahara relies on to harden its
    form was not working and was essentially disabled.
    This is a critical vulnerability which could allow attackers to trick other
    users (for example administrators) into performing malicious actions on
    behalf of the attacker. Most Mahara forms are vulnerable.


    CVE-2011-1404

    Many of the JSON structures returned by Mahara for its AJAX interactions
    included more information than what ought to be disclosed to the logged in
    user. New versions of Mahara limit this information to what is necessary for
    each page.


    CVE-2011-1405

    Previous versions of Mahara did not escape the contents of HTML emails sent
    to users. Depending on the filters enabled in one's mail reader, it could
    lead to cross-site scripting attacks.


    CVE-2011-1406

    It has been pointed out to us that if Mahara is configured (through its
    wwwroot variable) to use HTTPS, it will happily let users login via the HTTP
    version of the site if the web server is configured to serve content over
    both protocol. The new version of Mahara will, when the wwwroot points to an
    HTTPS URL, automatically redirect to HTTPS if it detects that it is being
    run over HTTP.

    We recommend that sites wanting to run Mahara over HTTPS make sure that
    their web server configuration does not allow the serving of content over
    HTTP and merely redirects to the secure version. We also suggest that site
    administrators consider adding the HSTS headers
    (http://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security) to their web
    server configuration.


    For the oldstable distribution (lenny), these problems have been fixed in version 1.0.4-4+lenny10.

    For the stable distribution (squeeze), these problems have been fixed in version 1.2.6-2+squeeze2.

    For the testing distribution (wheezy), these problems have been fixed in version 1.3.6-1.

    For the unstable distribution (sid), these problems have been fixed in
    version 1.3.6-1.

    We recommend that you upgrade your mahara 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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