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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.1370 strongswan security update 31 May 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: strongswan Publisher: Debian Operating System: Debian GNU/Linux 8 Linux variants OS X FreeBSD Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-9023 CVE-2017-9022 Original Bulletin: http://www.debian.org/security/2017/dsa-3866 Comment: This advisory references vulnerabilities in products which run on platforms other than Debian. It is recommended that administrators running strongswan check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-3866-1 security@debian.org https://www.debian.org/security/ Yves-Alexis Perez May 30, 2017 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : strongswan CVE ID : CVE-2017-9022 CVE-2017-9023 Two denial of service vulnerabilities were identified in strongSwan, an IKE/IPsec suite, using Google's OSS-Fuzz fuzzing project. CVE-2017-9022 RSA public keys passed to the gmp plugin aren't validated sufficiently before attempting signature verification, so that invalid input might lead to a floating point exception and crash of the process. A certificate with an appropriately prepared public key sent by a peer could be used for a denial-of-service attack. CVE-2017-9023 ASN.1 CHOICE types are not correctly handled by the ASN.1 parser when parsing X.509 certificates with extensions that use such types. This could lead to infinite looping of the thread parsing a specifically crafted certificate. A fix for a build failure was additionally included in the 5.2.1-6+deb8u4 revision of the strongSwan package. For the stable distribution (jessie), these problems have been fixed in version 5.2.1-6+deb8u3. For the upcoming stable distribution (stretch), these problems have been fixed in version 5.5.1-4 For the unstable distribution (sid), these problems have been fixed in version 5.5.1-4. We recommend that you upgrade your strongswan packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEl0WwInMjgf6efq/1bdtT8qZ1wKUFAlktX04ACgkQbdtT8qZ1 wKWTFQf+MMdSFvrdeXksFRmtKWWtTaQew4NwDU0EOK8yYAKqpiCGICnP7+6cCAQf UqpD8ZD67gdqLA4E+sAhM3HDuuC+kIx3r+7Qk65zim8RpdRBViZIGCAi46gWoIAU 4w7M+VKWbMZGLzNlde6OApEorQYCBQSpRIi8wTBs9PN/n2UaDlESrc+plGBI/mn2 /ShzEDc6MJxhAuFv+Pvq4OGrHpd2s0FrSn83jkkFm9MIGxEOIyy6ohsfHVlbapyi 9gg/qxNwv2mpUq5KRM4fOvpFTJ5wFO0k/eD1fV0L88dgBZYk+wQJ+ofRK/CNf3of jMgsv9QBKV3kmHdvzJAYaTIii3N/8Q== =/Us5 - -----END PGP SIGNATURE----- - --------------------------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: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iQIVAwUBWS5LTIx+lLeg9Ub1AQiqEhAAjKAPgCnDxdf4/GK8N3ndKSNbSXE4GwfZ m2GgpplcOezD81pDnme19/6oumNyUjYIeNpCRciN1Z5ZovSnE+O/iUAnVcvfaGoS Fu+IamhDH+D0wwGMm+HuSq6AD9ciPCa1NG8CDebxWPkw6CgYkX3fSHZR2doqZBIM bl/unVkVYd/7JfbClI4PvJ8ijhQzh7qV7mnMLGdFaYQnF1KfUpuKxa2JOvb/v/ti AcISnBiqG7qrIJM2vkHWLncWWZSPP/wtq4Q8QNseqx/SC9KJ2+5DyKP2HNh4vuI9 tNg8Cryf4seLjsEStzwF1VYCzq+PvI7E5aK3kHucGcY7pe/gfOYkCzu3iIhRCsuk 5UdxcARKQKmnMO0ZK6FGCgB6/HO2WUQ9yg3rmRqC1mDHFJ6wQfuappu9F5QKZtVV uPE6GEKIsb/zNYdjwVxHQkNRXNmlzhQ4UQMrzHjwW4HrNmQ+1hd88H5lQWmtNCj9 aDyRWkZRN9spvEJrD30CPG/ZIFGmbPH5ciDuJnBJaRb6hG2SzK7h6ThOFVF/0iKs DXxBe5LnYLjcLHiCCOZ1gwCp3w9dI6RfwgPQs259jkuozfVDSnHHMHheLipjwayt B+WakACK5NysY5mOxL7B35o+YziJP1L2uG+onVHxAFTfn+xFPKzb5aAFlU/vs39k 4lU9dh+umF0= =Uazd -----END PGP SIGNATURE-----