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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <3053927b-877a-6424-37eb-46b1373d16e1@canonical.com>
Subject: [USN-3570-1] AdvanceCOMP vulnerability

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==========================================================================
Ubuntu Security Notice USN-3570-1
February 14, 2018

advancecomp vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

AdvanceCOMP could be made to crash or run programs if it opened a specially
crafted file.

Software Description:
- advancecomp: collection of recompression utilities

Details:

Joonun Jang discovered that AdvanceCOMP incorrectly handled certain
malformed zip files. If a user or automated system were tricked into
processing a specially crafted zip file, a remote attacker could cause
AdvanceCOMP to crash, resulting in 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 17.10:
  advancecomp                     2.0-1ubuntu0.1

Ubuntu 16.04 LTS:
  advancecomp                     1.20-1ubuntu0.1

Ubuntu 14.04 LTS:
  advancecomp                     1.18-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
  https://www.ubuntu.com/usn/usn-3570-1
  CVE-2018-1056

Package Information:
  https://launchpad.net/ubuntu/+source/advancecomp/2.0-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/advancecomp/1.20-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/advancecomp/1.18-1ubuntu0.1



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