Ubuntu 4179-1: FriBidi vulnerability

    Date 08 Nov 2019
    633
    Posted By LinuxSecurity Advisories
    Applications using FriBidi could be made to crash or run programs as your login if it displayed specially crafted text.
    ==========================================================================
    Ubuntu Security Notice USN-4179-1
    November 07, 2019
    
    fribidi vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 19.04
    
    Summary:
    
    Applications using FriBidi could be made to crash or run programs as your
    login if it displayed specially crafted text.
    
    Software Description:
    - fribidi: Free Implementation of the Unicode BiDi algorithm (utility)
    
    Details:
    
    Alex Murray discovered a stack-based buffer overflow when handling a large
    number of unicode isolate directives. An attacker could use this to cause a
    denial of service or possibly execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      libfribidi0                     1.0.5-3.1ubuntu0.19.10.1
    
    Ubuntu 19.04:
      libfribidi0                     1.0.5-3.1ubuntu0.19.04.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4179-1
      CVE-2019-18397
    
    Package Information:
      https://launchpad.net/ubuntu/+source/fribidi/1.0.5-3.1ubuntu0.19.10.1
      https://launchpad.net/ubuntu/+source/fribidi/1.0.5-3.1ubuntu0.19.04.1
    

    LinuxSecurity Poll

    If you are using full-disk encryption: are you concerned about the resulting performance hit?

    No answer selected. Please try again.
    Please select either existing option or enter your own, however not both.
    Please select minimum 0 answer(s) and maximum 2 answer(s).
    /main-polls/34-if-you-are-using-full-disk-encryption-are-you-concerned-about-the-resulting-performance-hit?task=poll.vote&format=json
    34
    radio
    [{"id":"120","title":"Yes","votes":"14","type":"x","order":"1","pct":60.87,"resources":[]},{"id":"121","title":"No ","votes":"9","type":"x","order":"2","pct":39.13,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
    bottom 200

    Please enable / Bitte aktiviere JavaScript!
    Veuillez activer / Por favor activa el Javascript![ ? ]

    We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.