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CVSS: 5.0EPSS: 1%CPEs: 33EXPL: 0

The X509_to_X509_REQ function in crypto/x509/x509_req.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a might allow attackers to cause a denial of service (NULL pointer dereference and application crash) via an invalid certificate key. La función X509_to_X509_REQ en crypto/x509/x509_req.c en OpenSSL anterior a 0.9.8zf, 1.0.0 anterior a 1.0.0r, 1.0.1 anterior a 1.0.1m, y 1.0.2 anterior a 1.0.2a podría permitir a atacantes causar una denegación de servicio (referencia a puntero nulo y caída de aplicación) a través de una clave de certificado inválida. A NULL pointer dereference flaw was found in OpenSSL's X.509 certificate handling implementation. A specially crafted X.509 certificate could cause an application using OpenSSL to crash if the application attempted to convert the certificate to a certificate request. • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10680 http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152733.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152734.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152844.html http://lists.fedoraproject.org/pipermail/package-announce/2015-May/156823.html http://lists.fedoraproject.org/pipermail/package-announce/ • CWE-476: NULL Pointer Dereference •

CVSS: 5.0EPSS: 1%CPEs: 33EXPL: 0

The PKCS#7 implementation in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a does not properly handle a lack of outer ContentInfo, which allows attackers to cause a denial of service (NULL pointer dereference and application crash) by leveraging an application that processes arbitrary PKCS#7 data and providing malformed data with ASN.1 encoding, related to crypto/pkcs7/pk7_doit.c and crypto/pkcs7/pk7_lib.c. La implementación PKCS#7 en OpenSSL anterior a 0.9.8zf, 1.0.0 anterior a 1.0.0r, 1.0.1 anterior a 1.0.1m, y 1.0.2 anterior a 1.0.2a no maneja correctamente la falta de ContentInfo exterior, lo que permite a atacantes causar una denegación de servicio (referencia a puntero nulo y caída de aplicación) mediante el aprovechamiento de una aplicación que procesa datos PKCS#7 arbitrarios y la provisión de datos malformados con una codificación ASN.1, relacionado con crypto/pkcs7/pk7_doit.c y crypto/pkcs7/pk7_lib.c. A NULL pointer dereference was found in the way OpenSSL handled certain PKCS#7 inputs. An attacker able to make an application using OpenSSL verify, decrypt, or parse a specially crafted PKCS#7 input could cause that application to crash. TLS/SSL clients and servers using OpenSSL were not affected by this flaw. • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10680 http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152733.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152734.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152844.html http://lists.fedoraproject.org/pipermail/package-announce/2015-May/156823.html http://lists.fedoraproject.org/pipermail/package-announce/ • CWE-476: NULL Pointer Dereference •

CVSS: 6.8EPSS: 10%CPEs: 33EXPL: 0

Use-after-free vulnerability in the d2i_ECPrivateKey function in crypto/ec/ec_asn1.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a might allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a malformed Elliptic Curve (EC) private-key file that is improperly handled during import. Vulnerabilidad de uso después de liberación en la función d2i_ECPrivateKey en crypto/ec/ec_asn1.c en OpenSSL anterior a 0.9.8zf, 1.0.0 anterior a 1.0.0r, 1.0.1 anterior a 1.0.1m, y 1.0.2 anterior a 1.0.2a podría permitir a atacantes remotos causar una denegación de servicio (corrupción de memoria y caída de aplicación) o posiblemente tener otro impacto no especificado a través de un fichero de clave privada Elliptic Curve (EC) malformado que se maneja incorrectamente durante su importación. A use-after-free flaw was found in the way OpenSSL imported malformed Elliptic Curve private keys. A specially crafted key file could cause an application using OpenSSL to crash when imported. • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10680 http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152733.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152734.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152844.html http://lists.fedoraproject.org/pipermail/package-announce/2015-May/156823.html http://lists.fedoraproject.org/pipermail/package-announce/ • CWE-416: Use After Free •

CVSS: 5.0EPSS: 11%CPEs: 4EXPL: 0

The multi-block feature in the ssl3_write_bytes function in s3_pkt.c in OpenSSL 1.0.2 before 1.0.2a on 64-bit x86 platforms with AES NI support does not properly handle certain non-blocking I/O cases, which allows remote attackers to cause a denial of service (pointer corruption and application crash) via unspecified vectors. La característica multi-block en la función ssl3_write_bytes en s3_pkt.c en OpenSSL 1.0.2 anterior a 1.0.2a en las plataformas x86 de 64 bits con soporte AES NI no maneja correctamente ciertos casos de no bloqueo I/O, lo que permite a atacantes remotos causar una denegación de servicio (corrupción de puntero y caída de aplicación) a través de vectores no especificados. • http://marc.info/?l=bugtraq&m=143748090628601&w=2 http://marc.info/?l=bugtraq&m=144050155601375&w=2 http://marc.info/?l=bugtraq&m=144050297101809&w=2 http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html http://www.oracle.com/technetwork/topics/s • CWE-17: DEPRECATED: Code •

CVSS: 5.0EPSS: 89%CPEs: 4EXPL: 0

The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation. La implementación sigalgs en t1_lib.c en OpenSSL 1.0.2 anterior a 1.0.2a permite a atacantes remotos causar una denegación de servicio (referencia a puntero nulo y caída del demonio) mediante el uso de una extensión signature_algorithms inválida en el mensaje ClientHello durante una renegociación. • http://marc.info/?l=bugtraq&m=143748090628601&w=2 http://marc.info/?l=bugtraq&m=144050155601375&w=2 http://marc.info/?l=bugtraq&m=144050297101809&w=2 http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015 http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html http://www.oracle.com/technetwork/ •