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  • [gentoo-announce] [ GLSA 202101-14 ] Mozilla Thunderbird: Remote code e

    From Aaron Bauman@21:1/5 to All on Fri Jan 22 17:40:01 2021
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    Gentoo Linux Security Advisory GLSA 202101-14
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    https://security.gentoo.org/
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    Severity: Normal
    Title: Mozilla Thunderbird: Remote code execution
    Date: January 22, 2021
    Bugs: #765088
    ID: 202101-14

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    Synopsis
    ========

    Multiple vulnerabilities have been found in Mozilla Thunderbird, the
    worst of which could result in the arbitrary execution of code.

    Background
    ==========

    Mozilla Thunderbird is a popular open-source email client from the
    Mozilla project.

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

    -------------------------------------------------------------------
    Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
    1 mail-client/thunderbird < 78.6.1 >= 78.6.1
    2 mail-client/thunderbird-bin
    < 78.6.1 >= 78.6.1
    -------------------------------------------------------------------
    2 affected packages

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

    A use-after-free bug was discovered in Mozilla Thunderbird handling of
    SCTP.

    Impact
    ======

    A remote attacker could possibly execute arbitrary code with the
    privileges of the process or cause a Denial of Service condition.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All Mozilla Thunderbird users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=mail-client/thunderbird-78.6.1"

    All Mozilla Thunderbird binary users should upgrade to the latest
    version:

    # emerge --sync
    # emerge --ask --oneshot -v ">=mail-client/thunderbird-bin-78.6.1"

    References
    ==========

    [ 1 ] CVE-2020-16044
    https://nvd.nist.gov/vuln/detail/CVE-2020-16044
    [ 2 ] MFSA-2021-02
    https://www.mozilla.org/en-US/security/advisories/mfsa2021-02/

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

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

    https://security.gentoo.org/glsa/202101-14

    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 2021 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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