advancecomp: Multiple vulnerabilities

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0648
                 [DLA 1702-1] advancecomp security update
                               4 March 2019

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

Product:           advancecomp
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
Impact/Access:     Denial of Service        -- Existing Account
                   Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-9210 CVE-2018-1056 

Reference:         ESB-2018.0464
                   ESB-2018.0455

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2019/03/msg00004.html

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Package        : advancecomp
Version        : 1.19-1+deb8u1
CVE ID         : CVE-2018-1056 CVE-2019-9210
Debian Bug     : 889270 923416

Several vulnerabilities were discovered in advancecomp, a collection
of recompression utilities.

CVE-2018-1056

    Joonun Jang discovered that the advzip tool was prone to a
    heap-based buffer overflow. This might allow an attacker to cause a
    denial-of-service (application crash) or other unspecified impact
    via a crafted file.

CVE-2019-9210

    The png_compress function in pngex.cc in advpng has an integer
    overflow upon encountering an invalid PNG size, which results in
    another heap based buffer overflow.

For Debian 8 "Jessie", these problems have been fixed in version
1.19-1+deb8u1.

We recommend that you upgrade your advancecomp 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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