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    RedHat: RHSA-2020-4080:01 Important: firefox security and bug fix update

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    An update for firefox is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: firefox security and bug fix update
    Advisory ID:       RHSA-2020:4080-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4080
    Issue date:        2020-09-29
    CVE Names:         CVE-2020-12422 CVE-2020-12424 CVE-2020-12425 
                       CVE-2020-15648 CVE-2020-15653 CVE-2020-15654 
                       CVE-2020-15656 CVE-2020-15658 CVE-2020-15673 
                       CVE-2020-15676 CVE-2020-15677 CVE-2020-15678 
    =====================================================================
    
    1. Summary:
    
    An update for firefox is now available for Red Hat Enterprise Linux 7.
    
    Red Hat Product Security has rated this update as having a security impact
    of Important. A Common Vulnerability Scoring System (CVSS) base score,
    which gives a detailed severity rating, is available for each vulnerability
    from the CVE link(s) in the References section.
    
    2. Relevant releases/architectures:
    
    Red Hat Enterprise Linux Client (v. 7) - x86_64
    Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
    Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
    Red Hat Enterprise Linux Server Optional (v. 7) - x86_64
    Red Hat Enterprise Linux Workstation (v. 7) - x86_64
    Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
    
    3. Description:
    
    Mozilla Firefox is an open-source web browser, designed for standards
    compliance, performance, and portability.
    
    This update upgrades Firefox to version 78.3.0 ESR.
    
    Security Fix(es):
    
    * Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3
    (CVE-2020-15673)
    
    * Mozilla: Integer overflow in nsJPEGEncoder::emptyOutputBuffer
    (CVE-2020-12422)
    
    * Mozilla: X-Frame-Options bypass using object or embed tags
    (CVE-2020-15648)
    
    * Mozilla: Bypassing iframe sandbox when allowing popups (CVE-2020-15653)
    
    * Mozilla: Type confusion for special arguments in IonMonkey
    (CVE-2020-15656)
    
    * Mozilla: XSS when pasting attacker-controlled data into a contenteditable
    element (CVE-2020-15676)
    
    * Mozilla: Download origin spoofing via redirect (CVE-2020-15677)
    
    * Mozilla: When recursing through layers while scrolling, an iterator may
    have become invalid, resulting in a potential use-after-free scenario
    (CVE-2020-15678)
    
    * Mozilla: WebRTC permission prompt could have been bypassed by a
    compromised content process (CVE-2020-12424)
    
    * Mozilla: Out of bound read in Date.parse() (CVE-2020-12425)
    
    * Mozilla: Custom cursor can overlay user interface (CVE-2020-15654)
    
    * Mozilla: Overriding file type when saving to disk (CVE-2020-15658)
    
    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE
    page(s) listed in the References section.
    
    Bug Fix(es):
    
    * Warnings displayed when removing Firefox package (BZ#1868842)
    
    4. Solution:
    
    For details on how to apply this update, which includes the changes
    described in this advisory, refer to:
    
    https://access.redhat.com/articles/11258
    
    After installing the update, Firefox must be restarted for the changes to
    take effect.
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1861645 - CVE-2020-15653 Mozilla: Bypassing iframe sandbox when allowing popups
    1861646 - CVE-2020-15656 Mozilla: Type confusion for special arguments in IonMonkey
    1861647 - CVE-2020-15658 Mozilla: Overriding file type when saving to disk
    1861649 - CVE-2020-15654 Mozilla: Custom cursor can overlay user interface
    1868842 - Warnings displayed when removing Firefox package [rhel-7.9.z]
    1872537 - CVE-2020-15648 Mozilla: X-Frame-Options bypass using object or embed tags
    1872538 - CVE-2020-12422 Mozilla: Integer overflow in nsJPEGEncoder::emptyOutputBuffer
    1872539 - CVE-2020-12424 Mozilla: WebRTC permission prompt could have been bypassed by a compromised content process
    1872540 - CVE-2020-12425 Mozilla: Out of bound read in Date.parse()
    1881664 - CVE-2020-15677 Mozilla: Download origin spoofing via redirect
    1881665 - CVE-2020-15676 Mozilla: XSS when pasting attacker-controlled data into a contenteditable element
    1881666 - CVE-2020-15678 Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario
    1881667 - CVE-2020-15673 Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3
    
    6. Package List:
    
    Red Hat Enterprise Linux Client (v. 7):
    
    Source:
    firefox-78.3.0-1.el7_9.src.rpm
    
    x86_64:
    firefox-78.3.0-1.el7_9.x86_64.rpm
    firefox-debuginfo-78.3.0-1.el7_9.x86_64.rpm
    
    Red Hat Enterprise Linux Client Optional (v. 7):
    
    x86_64:
    firefox-78.3.0-1.el7_9.i686.rpm
    
    Red Hat Enterprise Linux Server (v. 7):
    
    Source:
    firefox-78.3.0-1.el7_9.src.rpm
    
    ppc64:
    firefox-78.3.0-1.el7_9.ppc64.rpm
    firefox-debuginfo-78.3.0-1.el7_9.ppc64.rpm
    
    ppc64le:
    firefox-78.3.0-1.el7_9.ppc64le.rpm
    firefox-debuginfo-78.3.0-1.el7_9.ppc64le.rpm
    
    s390x:
    firefox-78.3.0-1.el7_9.s390x.rpm
    firefox-debuginfo-78.3.0-1.el7_9.s390x.rpm
    
    x86_64:
    firefox-78.3.0-1.el7_9.x86_64.rpm
    firefox-debuginfo-78.3.0-1.el7_9.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional (v. 7):
    
    x86_64:
    firefox-78.3.0-1.el7_9.i686.rpm
    
    Red Hat Enterprise Linux Workstation (v. 7):
    
    Source:
    firefox-78.3.0-1.el7_9.src.rpm
    
    x86_64:
    firefox-78.3.0-1.el7_9.x86_64.rpm
    firefox-debuginfo-78.3.0-1.el7_9.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation Optional (v. 7):
    
    x86_64:
    firefox-78.3.0-1.el7_9.i686.rpm
    
    These packages are GPG signed by Red Hat for security.  Our key and
    details on how to verify the signature are available from
    https://access.redhat.com/security/team/key/
    
    7. References:
    
    https://access.redhat.com/security/cve/CVE-2020-12422
    https://access.redhat.com/security/cve/CVE-2020-12424
    https://access.redhat.com/security/cve/CVE-2020-12425
    https://access.redhat.com/security/cve/CVE-2020-15648
    https://access.redhat.com/security/cve/CVE-2020-15653
    https://access.redhat.com/security/cve/CVE-2020-15654
    https://access.redhat.com/security/cve/CVE-2020-15656
    https://access.redhat.com/security/cve/CVE-2020-15658
    https://access.redhat.com/security/cve/CVE-2020-15673
    https://access.redhat.com/security/cve/CVE-2020-15676
    https://access.redhat.com/security/cve/CVE-2020-15677
    https://access.redhat.com/security/cve/CVE-2020-15678
    https://access.redhat.com/security/updates/classification/#important
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2020 Red Hat, Inc.
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