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From: Mike Salvatore <mike.salvatore@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <31733e1c-2cfd-1d0f-18e3-f1070a56cdf0@canonical.com>
Subject: [USN-3955-1] tcpflow vulnerabilities
References: <20190424175758.CC90526C298D@lillypilly.canonical.com>
In-Reply-To: <20190424175758.CC90526C298D@lillypilly.canonical.com>

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==========================================================================
Ubuntu Security Notice USN-3955-1
April 24, 2019

tcpflow vulnerabilities
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

tcpflow could be made to crash or expose sensitive information over the network
if it opened a specially crafted file or received specially crafted network
traffic.

Software Description:
- tcpflow: TCP flow recorder

Details:

It was discovered that tcpflow incorrectly handled certain malformed network 
packets. A remote attacker could send these packets to a target system, causing
tcpflow to crash or possibly disclose sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.10:
  tcpflow                         1.4.5+repack1-4ubuntu0.18.10.1
  tcpflow-nox                     1.4.5+repack1-4ubuntu0.18.10.1

Ubuntu 18.04 LTS:
  tcpflow                         1.4.5+repack1-4ubuntu0.18.04.1
  tcpflow-nox                     1.4.5+repack1-4ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  tcpflow                         1.4.5+repack1-1ubuntu0.1
  tcpflow-nox                     1.4.5+repack1-1ubuntu0.1

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

References:
  https://usn.ubuntu.com/usn/usn-3955-1
  CVE-2018-14938, CVE-2018-18409

Package Information:
  https://launchpad.net/ubuntu/+source/tcpflow/1.4.5+repack1-4ubuntu0.18.10.1
  https://launchpad.net/ubuntu/+source/tcpflow/1.4.5+repack1-4ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/tcpflow/1.4.5+repack1-1ubuntu0.1


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