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  • [SECURITY] [DSA 2322-1] bugzilla security update

    From Jonathan Wiltshire@1:229/2 to All on Mon Oct 10 18:20:01 2011
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2322-1 [email protected] http://www.debian.org/security/ Jonathan Wiltshire October 10, 2011 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : bugzilla
    Vulnerability : several
    Problem type : remote
    Debian-specific: no
    CVE ID : CVE-201-2979 CVE-2010-4567 CVE-2010-4568 CVE-2010-4572
    CVE-2011-0046 CVE-2011-0048 CVE-2011-2379 CVE-2011-2380
    CVE-2011-2381 CVE-2011-2978

    Several vulnerabilities were discovered in Bugzilla, a web-based bug
    tracking system.

    CVE-2010-4572

    By inserting particular strings into certain URLs, it was
    possible to inject both headers and content to any
    browser.

    CVE-2010-4567, CVE-2011-0048

    Bugzilla has a "URL" field that can contain several types
    of URL, including "javascript:" and "data:" URLs. However,
    it does not make "javascript:" and "data:" URLs into
    clickable links, to protect against cross-site scripting
    attacks or other attacks. It was possible to bypass this
    protection by adding spaces into the URL in places that
    Bugzilla did not expect them. Also, "javascript:" and
    "data:" links were *always* shown as clickable to
    logged-out users.

    CVE-2010-4568

    It was possible for a user to gain unauthorized access to
    any Bugzilla account in a very short amount of time (short
    enough that the attack is highly effective).

    CVE-2011-0046

    Various pages were vulnerable to Cross-Site Request
    Forgery attacks. Most of these issues are not as serious
    as previous CSRF vulnerabilities.

    CVE-2011-2978

    When a user changes his email address, Bugzilla trusts
    a user-modifiable field for obtaining the current e-mail
    address to send a confirmation message to. If an attacker
    has access to the session of another user (for example,
    if that user left their browser window open in a public
    place), the attacker could alter this field to cause
    the email-change notification to go to their own address.
    This means that the user would not be notified that his
    account had its email address changed by the attacker.

    CVE-2011-2381

    For flagmails only, attachment descriptions with a newline
    in them could lead to the injection of crafted headers in
    email notifications when an attachment flag is edited.

    CVE-2011-2379

    Bugzilla uses an alternate host for attachments when
    viewing them in raw format to prevent cross-site scripting
    attacks. This alternate host is now also used when viewing
    patches in "Raw Unified" mode because Internet Explorer 8
    and older, and Safari before 5.0.6 do content sniffing,
    which could lead to the execution of malicious code.

    CVE-2011-2380 CVE-201-2979

    Normally, a group name is confidential and is only visible
    to members of the group, and to non-members if the group
    is used in bugs. By crafting the URL when creating or
    editing a bug, it was possible to guess if a group existed
    or not, even for groups which weren't used in bugs and so
    which were supposed to remain confidential.

    For the oldstable distribution (lenny), it has not been practical to
    backport patches to fix these bugs. Users of bugzilla on lenny are
    strongly advised to upgrade to the version in the squeeze distribution.

    For the stable distribution (squeeze), these problems have been fixed in version 3.6.2.0-4.4.

    For the testing distribution (wheezy) and the unstable distribution (sid),
    the bugzilla packages have been removed.

    We recommend that you upgrade your bugzilla 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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