ArchLinux: 202002-5: firefox: multiple issues

    Date13 Feb 2020
    161
    Posted ByLinuxSecurity Advisories
    The package firefox before version 73.0-1 is vulnerable to multiple issues including arbitrary code execution and cross-site scripting.
    Arch Linux Security Advisory ASA-202002-5
    =========================================
    
    Severity: Critical
    Date    : 2020-02-11
    CVE-ID  : CVE-2020-6796 CVE-2020-6798 CVE-2020-6800 CVE-2020-6801
    Package : firefox
    Type    : multiple issues
    Remote  : Yes
    Link    : https://security.archlinux.org/AVG-1096
    
    Summary
    =======
    
    The package firefox before version 73.0-1 is vulnerable to multiple
    issues including arbitrary code execution and cross-site scripting.
    
    Resolution
    ==========
    
    Upgrade to 73.0-1.
    
    # pacman -Syu "firefox>=73.0-1"
    
    The problems have been fixed upstream in version 73.0.
    
    Workaround
    ==========
    
    None.
    
    Description
    ===========
    
    - CVE-2020-6796 (arbitrary code execution)
    
    A missing bounds check on shared memory read in the parent process has
    been found in Firefox before 73.0. A content process could have
    modified shared memory relating to crash reporting information, crash
    itself, and cause an out-of-bound write. This could have caused memory
    corruption and a potentially exploitable crash.
    
    - CVE-2020-6798 (cross-site scripting)
    
    An incorrect parsing of template could result in Javascript injection
    in Firefox before 73.0 and Thunderbird before 68.5. If a