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Ubuntu: USN-3482-1 (CVE-2016-10396): ipsec-tools vulnerability

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Ubuntu: USN-3482-1 (CVE-2016-10396): ipsec-tools vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
07/05/2017
Created
07/25/2018
Added
11/16/2017
Modified
04/25/2018

Description

The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when parsing and storing ISAKMP fragments. The implementation permits a remote attacker to exhaust computational resources on the remote endpoint by repeatedly sending ISAKMP fragment packets in a particular order such that the worst-case computational complexity is realized in the algorithm utilized to determine if reassembly of the fragments can take place.

Solution(s)

  • ubuntu-upgrade-ipsec-tools
  • ubuntu-upgrade-racoon

References

  • USN-3482-1
  • CVE-2016-10396

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