ArchLinux: 201911-13: libtiff: denial of service

    Date 03 Dec 2019
    Posted By LinuxSecurity Advisories
    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    :
    The package libtiff before version 4.1.0-1 is vulnerable to denial of
    Upgrade to 4.1.0-1.
    # pacman -Syu "libtiff>=4.1.0-1"
    The problems have been fixed upstream in version 4.1.0.
    - 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.
    A remote attacker is able to cause a denial of service.

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