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Ubuntu 12.04 ESM USN-3482-1 Moderate: Crash of ipsec-tools from Traffic

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Calendar Grey November 16, 2017
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A security flaw in ipsec-tools results in system crashes on Ubuntu platforms, which in turn leads to a denial of service situation that disrupts network communications.
ipsec-tools could be made to crash if it received specially crafted network traffic.

Summary

ipsec-tools could be made to crash if it received specially crafted

network traffic.

Software Description:

- ipsec-tools: IPsec tools for Linux

Details:

It was discovered that racoon, the ipsec-tools IKE daemon, incorrectly

handled certain ISAKMP fragments. A remote attacker could use this

issue to cause racoon to crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu ipsec-tools network attack

Update Instructions

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

Ubuntu 12.04 ESM:
  ipsec-tools                     1:0.8.0-9ubuntu1.2
  racoon                          1:0.8.0-9ubuntu1.2

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

References

  https://ubuntu.com/security/notices/USN-3482-1

  CVE-2016-10396

November 16, 2017

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu ipsec-tools network attack

Package Information

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