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Ubuntu Security Notice USN-3205-1

Ubuntu Security Notice USN-3205-1
Posted Feb 21, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3205-1 - It was discovered that tcpdump incorrectly handled certain packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code. In the default installation, attackers would be isolated by the tcpdump AppArmor profile.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925, CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929, CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933, CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937, CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973, CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984, CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993
MD5 | cedffe1e6a5a039bf506cce466dfb404

Ubuntu Security Notice USN-3205-1

Change Mirror Download

===========================================================================
Ubuntu Security Notice USN-3205-1
February 21, 2017

tcpdump vulnerabilities
===========================================================================

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

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

tcpdump could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- tcpdump: command-line network traffic analyzer

Details:

It was discovered that tcpdump incorrectly handled certain packets. A
remote attacker could use this issue to cause tcpdump to crash, resulting
in a denial of service, or possibly execute arbitrary code.

In the default installation, attackers would be isolated by the tcpdump
AppArmor profile.

Update instructions:

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

Ubuntu 16.10:
tcpdump 4.9.0-1ubuntu1~ubuntu16.10.1

Ubuntu 16.04 LTS:
tcpdump 4.9.0-1ubuntu1~ubuntu16.04.1

Ubuntu 14.04 LTS:
tcpdump 4.9.0-1ubuntu1~ubuntu14.04.1

Ubuntu 12.04 LTS:
tcpdump 4.9.0-1ubuntu1~ubuntu12.04.1

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
http://www.ubuntu.com/usn/usn-3205-1
CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925,
CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929,
CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933,
CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937,
CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973,
CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984,
CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993,
CVE-2016-8574, CVE-2016-8575, CVE-2017-5202, CVE-2017-5203,
CVE-2017-5204, CVE-2017-5205, CVE-2017-5341, CVE-2017-5342,
CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485,
CVE-2017-5486

Package Information:
https://launchpad.net/ubuntu/+source/tcpdump/4.9.0-1ubuntu1~ubuntu16.10.1
https://launchpad.net/ubuntu/+source/tcpdump/4.9.0-1ubuntu1~ubuntu16.04.1
https://launchpad.net/ubuntu/+source/tcpdump/4.9.0-1ubuntu1~ubuntu14.04.1
https://launchpad.net/ubuntu/+source/tcpdump/4.9.0-1ubuntu1~ubuntu12.04.1



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