Linux Security
    Linux Security
    Linux Security

    ArchLinux: 201911-13: libtiff: denial of service

    Date
    390
    Posted By
    The package libtiff before version 4.1.0-1 is vulnerable to denial of service.
    Arch Linux Security Advisory ASA-201911-13
    ==========================================
    
    Severity: Medium
    Date    : 2019-11-13
    CVE-ID  : CVE-2019-6128 CVE-2019-7663
    Package : libtiff
    Type    : denial of service
    Remote  : Yes
    Link    : https://security.archlinux.org/AVG-886
    
    Summary
    =======
    
    The package libtiff before version 4.1.0-1 is vulnerable to denial of
    service.
    
    Resolution
    ==========
    
    Upgrade to 4.1.0-1.
    
    # pacman -Syu "libtiff>=4.1.0-1"
    
    The problems have been fixed upstream in version 4.1.0.
    
    Workaround
    ==========
    
    None.
    
    Description
    ===========
    
    - CVE-2019-6128 (denial of service)
    
    The TIFFFdOpen function in tif_unix.c in LibTIFF 4.0.10 has a memory
    leak, as demonstrated by pal2rgb.
    
    - CVE-2019-7663 (denial of service)
    
    An Invalid Address dereference was discovered in
    TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in
    LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in
    tiffcp.c. Remote attackers could leverage this vulnerability to cause a
    denial-of-service via a crafted tiff file.
    
    Impact
    ======
    
    A remote attacker is able to cause a denial of service.
    
    References
    ==========
    
    https://gitlab.com/libtiff/libtiff/commit/ae0bed1fe530a82faf2e9ea1775109dbf301a971
    https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39
    https://gitlab.com/libtiff/libtiff/merge_requests/60
    https://security.archlinux.org/CVE-2019-6128
    https://security.archlinux.org/CVE-2019-7663
    
    

    Advisories

    LinuxSecurity Poll

    Which aspect of server security are you most interested in learning more about?

    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 3 answer(s).
    /main-polls/38-which-aspect-of-server-security-are-you-most-interested-in-learning-more-about?task=poll.vote&format=json
    38
    radio
    [{"id":"131","title":"Preventing information leakage","votes":"1","type":"x","order":"1","pct":100,"resources":[]},{"id":"132","title":"Firewall considerations","votes":"0","type":"x","order":"2","pct":0,"resources":[]},{"id":"133","title":"Permissions ","votes":"0","type":"x","order":"3","pct":0,"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


    VIEW MORE POLLS

    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.