strongswan vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Several security issues were fixed in strongSwan.
Software Description
- strongswan - IPsec VPN solution
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.04 LTS
- libstrongswan - 5.6.2-1ubuntu2.2
- strongswan - 5.6.2-1ubuntu2.2
- Ubuntu 16.04 LTS
- libstrongswan - 5.3.5-1ubuntu3.7
- strongswan - 5.3.5-1ubuntu3.7
- Ubuntu 14.04 LTS
- libstrongswan - 5.1.2-0ubuntu2.10
- strongswan - 5.1.2-0ubuntu2.10
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.