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CVSS: 7.8EPSS: 1%CPEs: 45EXPL: 4

racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests. racoon/gssapi.c en IPsec-Tools 0.8.2 permite a atacantes remotos causar una denegación de servicios (referencia a puntero nulo y caída de demonio IKE) a través de una serie de solicitudes UDP manipuladas. • http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159482.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159549.html http://packetstormsecurity.com/files/131992/IPsec-Tools-0.8.2-Denial-Of-Service.html http://seclists.org/fulldisclosure/2015/May/81 http://seclists.org/fulldisclosure/2015/May/83 http://www.debian.org/security/2015/dsa-3272 http://www.openwall.com/lists/oss-security/2015/05/20/1 http://www.openwall.com/lists/oss-security/20 • CWE-476: NULL Pointer Dereference •

CVSS: 7.8EPSS: 91%CPEs: 35EXPL: 0

The sctp_sf_do_5_1D_ce function in net/sctp/sm_statefuns.c in the Linux kernel through 3.13.6 does not validate certain auth_enable and auth_capable fields before making an sctp_sf_authenticate call, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an SCTP handshake with a modified INIT chunk and a crafted AUTH chunk before a COOKIE_ECHO chunk. La función sctp_sf_do_5_1D_ce en net/sctp/sm_statefuns.c en el kernel de Linux hasta la versión 3.13.6 no valida ciertos campos auth_enable y auth_capable antes de hacer una llamada sctp_sf_authenticate, lo que permite a atacantes remotos provocar una denegación de servicio (referencia a puntero NULL y caída del sistema) a través de un SCTP handshake con un fragmento INIT modificado y un fragmento AUTH manipulado anterior a un fragmento COOKIE_ECHO. A flaw was found in the way the Linux kernel processed an authenticated COOKIE_ECHO chunk during the initialization of an SCTP connection. A remote attacker could use this flaw to crash the system by initiating a specially crafted SCTP handshake in order to trigger a NULL pointer dereference on the system. • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec0223ec48a90cb605244b45f7c62de856403729 http://rhn.redhat.com/errata/RHSA-2014-0328.html http://rhn.redhat.com/errata/RHSA-2014-0419.html http://rhn.redhat.com/errata/RHSA-2014-0432.html http://secunia.com/advisories/59216 http://support.f5.com/kb/en-us/solutions/public/15000/300/sol15317.html http://www.openwall.com/lists/oss-security/2014/03/04/6 http://www.securityfocus.com/bid/65943 h • CWE-476: NULL Pointer Dereference •