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USN-3771-1: strongSwan vulnerabilities

25 September 2018

Several security issues were fixed in strongSwan.

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Releases

Packages

Details

It was discovered that strongSwan incorrectly handled IKEv2 key derivation.
A remote attacker could possibly use this issue to cause strongSwan to
crash, resulting in a denial of service. (CVE-2018-10811)

Sze Yiu Chau discovered that strongSwan incorrectly handled parsing OIDs in
the gmp plugin. A remote attacker could possibly use this issue to bypass
authorization. (CVE-2018-16151)

Sze Yiu Chau discovered that strongSwan incorrectly handled certain
parameters fields in the gmp plugin. A remote attacker could possibly use
this issue to bypass authorization. (CVE-2018-16152)

It was discovered that strongSwan incorrectly handled the stroke plugin. A
local administrator could use this issue to cause a denial of service, or
possibly execute arbitrary code. (CVE-2018-5388)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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