Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2901 strongSwan vulnerabilities 26 September 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: strongswan Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Remote/Unauthenticated Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-16152 CVE-2018-16151 CVE-2018-10811 CVE-2018-5388 Reference: ESB-2018.1778 Original Bulletin: http://www.ubuntu.com/usn/usn-3771-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3771-1 September 25, 2018 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 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3771-1 CVE-2018-10811, CVE-2018-16151, CVE-2018-16152, CVE-2018-5388 Package Information: https://launchpad.net/ubuntu/+source/strongswan/5.6.2-1ubuntu2.2 https://launchpad.net/ubuntu/+source/strongswan/5.3.5-1ubuntu3.7 https://launchpad.net/ubuntu/+source/strongswan/5.1.2-0ubuntu2.10 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBW6sjRWaOgq3Tt24GAQg94w/+O7yImj+z1rHdA3ReYSwXrA3ZxJcTc8vh z4A3S06xZm4fo3E0qDKUAGT/L+ohrHvqoQTTe/3n+wLHKFArLz5ZZQpZ8iilA+s3 R7QZV7p2Pvjk83H+F/H4yATro4oLhZyHCBvzEHz9llyTt3BYiHS681ZnclvK2J1M yYrLEUj5FhUKYnwOaltpe0zpifQhrnLbJtlygZk0gPcg4+qFUC7QWL7xKlEbmD6P 04sJhQ8Pc6AXPQmaXp5Yn1ereOGWh5ovwj/WNkJBxZFAdDQgBWXhXgYS5gqh+E+J okyOoIQsPywwhfm4zqIEubz5lgYvdIki0853+6jJoA04C9OG6c7ecq1Fr2m8JHdL ZttEy2tVo4ZEmalyOTlyrYzvMeRabxSD9Jz+w/biB1PJfHiRvWnRHgojr1w0c0+j nYpDtCPdKYtaH7k8QUbezA3IcP03cCpPsSZjIgHURPGPoxVtE9e3selwS7MCFSI6 SrIcEvk/urKEymbHzsk9xaA3p7zH+ygTCOY4RAf1dL3LZv8GS0U8TdMevbonWTjc PtW8WVz/0OYEK01mcs7kjb9QacAz15qLBJvydfA6lKUvgoO7Ld4SuKaNA+5aggNk T88/vi71SXch0cGRSpKcLzbRcaQUVqlnymxXmaVx7LEclPM09gH+MzWx9u7EgSq3 wi9Fz+WZE+Q= =TuNd -----END PGP SIGNATURE-----