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CVSS: 5.0EPSS: 1%CPEs: 7EXPL: 1

The ikev2parent_inI1outR1 function in pluto/ikev2_parent.c in libreswan before 3.7 allows remote attackers to cause a denial of service (restart) via an IKEv2 I1 notification without a KE payload. La función ikev2parent_inI1outR1 en pluto/ikev2_parent.c de libreswan antes de 3.7 permite a atacantes remotos provocar una denegación de servicio (reinicio) a través de una notificación por IKEv2 I1 sin datos KE. • http://secunia.com/advisories/56276 http://secunia.com/advisories/56915 http://www.osvdb.org/101573 https://github.com/libreswan/libreswan/commit/2899351224fe2940aec37d7656e1e392c0fe07f0 https://lists.libreswan.org/pipermail/swan-announce/2013/000007.html • CWE-20: Improper Input Validation •

CVSS: 9.3EPSS: 0%CPEs: 1EXPL: 1

Race condition in the libreswan.spec files for Red Hat Enterprise Linux (RHEL) and Fedora packages in libreswan 3.6 has unspecified impact and attack vectors, involving the /var/tmp/libreswan-nss-pwd temporary file. Condición de carrera en archivos libreswan.spec para paquetes de Red Hat Enterprise Linux (RHEL) y Fedora en libreswan 3.6 tiene un impacto y vectores de ataque no especificados, involucrando el archivo temporal /var/tmp/libreswan-nss-pwd. • http://secunia.com/advisories/56276 http://www.osvdb.org/101575 https://github.com/libreswan/libreswan/commit/ef2d756e73a188401c36133c2e2f7ce4f3c6ae55 https://lists.libreswan.org/pipermail/swan-announce/2013/000007.html • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 5.0EPSS: 3%CPEs: 1EXPL: 0

Libreswan 3.6 allows remote attackers to cause a denial of service (crash) via a small length value and (1) no version or (2) an invalid major number in an IKE packet. Libreswan 3.6 permite a atacantes remotos causar denegación de servicio (caída) a través de un valor de longitud pequeño y (1) ninguna versión o (2) un número mayor inválido en un paquete IKE. • http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124911.html http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124928.html http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124943.html http://secunia.com/advisories/56276 https://libreswan.org/security/CVE-2013-4564/CVE-2013-4564.txt.asc https://lists.libreswan.org/pipermail/swan-announce/2013/000007.html • CWE-189: Numeric Errors •

CVSS: 5.1EPSS: 0%CPEs: 2EXPL: 0

Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054. Desbordamiento de buffer en la función atodn en libreswan v3.0 y v3.1, cuando está activada Opportunistic Encryptiony se usa una clave RSA, permite a los atacantes remotos provocar una denegación de servicio (caída del demonio IKE)y posiblemente ejecutar código a través de registros DNS TXT. Nota: esta podría ser la misma vulnerabilidad que CVE-2013-2052 y CVE-2013-2054. • https://libreswan.org/security/CVE-2013-2052/CVE-2013-2052.txt https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •