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  • [gentoo-announce] [ GLSA 202008-10 ] Chromium, Google Chrome: Heap buff

    From Sam James@21:1/5 to All on Tue Aug 25 15:00:02 2020
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    Gentoo Linux Security Advisory GLSA 202008-10
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    https://security.gentoo.org/
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    Severity: Normal
    Title: Chromium, Google Chrome: Heap buffer overflow
    Date: August 25, 2020
    Bugs: #737942
    ID: 202008-10

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    Synopsis
    ========


    A vulnerablity has been found in Chromium and Google Chrome that could
    allow a remote attacker to execute arbitrary code.

    Background
    ==========


    Chromium is an open-source browser project that aims to build a safer,
    faster, and more stable way for all users to experience the web.

    Google Chrome is one fast, simple, and secure browser for all your
    devices.

    Affected packages
    =================

    -------------------------------------------------------------------
    Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
    1 www-client/chromium < 84.0.4147.135 >= 84.0.4147.135
    2 www-client/google-chrome
    < 84.0.4147.135 >= 84.0.4147.135
    -------------------------------------------------------------------
    2 affected packages

    Description
    ===========

    A buffer overflow has been discovered in Chromium and Google Chrome's SwiftShader component.

    Impact
    ======

    A remote attacker, by enticing a user to visit a specially crafted
    website, could execute arbitrary code with the privileges of the
    process.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All Chromium users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot -v ">=www-client/chromium-84.0.4147.135"

    All Google Chrome users should upgrade to the latest version:

    # emerge --sync
    # emerge -a --oneshot -v ">=www-client/google-chrome-84.0.4147.135"

    References
    ==========

    [ 1 ] CVE-2020-6556
    https://nvd.nist.gov/vuln/detail/CVE-2020-6556
    [ 2 ] Upstream advisory
    https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_18.html

    Availability
    ============

    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:

    https://security.gentoo.org/glsa/202008-10

    Concerns?
    =========

    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users' machines is of utmost
    importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

    License
    =======

    Copyright 2020 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).

    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.

    https://creativecommons.org/licenses/by-sa/2.5


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