ESB-2019.0394 - [Win][UNIX/Linux][Debian] libarchive: Denial of service - Remote with user interaction 2019-02-08

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0394
                  [DLA 1668-1] libarchive security update
                              8 February 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           libarchive
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-1000020 CVE-2019-1000019 

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2019/02/msg00013.html

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running libarchive check for an updated version of the software for
         their operating system.

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Package        : libarchive
Version        : 3.1.2-11+deb8u7
CVE ID         : CVE-2019-1000019 CVE-2019-1000020

Fuzzing found two further file-format specific issues in libarchive, a
read-only segfault in 7z, and an infinite loop in ISO9660.

CVE-2019-1000019

    Out-of-bounds Read vulnerability in 7zip decompression, that can
    result in a crash (denial of service, CWE-125)

CVE-2019-1000020

    Vulnerability in ISO9660 parser that can result in DoS by infinite
    loop (CWE-835)

For Debian 8 "Jessie", these problems have been fixed in version
3.1.2-11+deb8u7.

We recommend that you upgrade your libarchive packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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