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CVSS: 7.5EPSS: 78%CPEs: 59EXPL: 0

06 Aug 2014 — d1_both.c in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before 1.0.0n, and 1.0.1 before 1.0.1i allows remote attackers to cause a denial of service (memory consumption) via crafted DTLS handshake messages that trigger memory allocations corresponding to large length values. d1_both.c en la implementación DTLS en OpenSSL 0.9.8 anterior a 0.9.8zb, 1.0.0 anterior a 1.0.0n, y 1.0.1 anterior a 1.0.1i permite a atacantes remotos causar una denegación de servicio (consumo de memoria) a través d... • ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc • CWE-399: Resource Management Errors CWE-400: Uncontrolled Resource Consumption •

CVSS: 5.9EPSS: 0%CPEs: 31EXPL: 0

06 Aug 2014 — The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 1.0.1 before 1.0.1i allows man-in-the-middle attackers to force the use of TLS 1.0 by triggering ClientHello message fragmentation in communication between a client and server that both support later TLS versions, related to a "protocol downgrade" issue. La función ssl23_get_client_hello en s23_srvr.c en OpenSSL 1.0.1 anterior a 1.0.1i permite a atacantes man-in-the-middle forzar el uso de TLS 1.0 mediante la provocación de la fragmentación de men... • ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc • CWE-390: Detection of Error Condition Without Action •

CVSS: 6.8EPSS: 2%CPEs: 31EXPL: 0

06 Aug 2014 — Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data. Condición de carrera en la función ssl_parse_serverhello_tlsext en t1_lib.c en OpenSSL 1.0.0 anterior a 1.0.0n y 1.... • ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 7.5EPSS: 85%CPEs: 31EXPL: 0

06 Aug 2014 — Multiple buffer overflows in crypto/srp/srp_lib.c in the SRP implementation in OpenSSL 1.0.1 before 1.0.1i allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via an invalid SRP (1) g, (2) A, or (3) B parameter. Múltiples desbordamientos de buffer en crypto/srp/srp_lib.c en la implementación SRP en OpenSSL 1.0.1 anterior a 1.0.1i permiten a atacantes remotos causar una denegación de servicio (caída de aplicación) o posiblemente tener otro impacto... • ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 97%CPEs: 16EXPL: 0

05 Jun 2014 — The ssl3_send_client_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h, when an anonymous ECDH cipher suite is used, allows remote attackers to cause a denial of service (NULL pointer dereference and client crash) by triggering a NULL certificate value. La función ssl3_send_client_key_exchange en s3_clnt.c en OpenSSL anterior a 0.9.8za, 1.0.0 anterior a 1.0.0m y 1.0.1 anterior a 1.0.1h, cuando un suite de cifrado ECDH anónimo está utilizado, permite a... • http://aix.software.ibm.com/aix/efixes/security/openssl_advisory9.asc • CWE-476: NULL Pointer Dereference •

CVSS: 7.5EPSS: 96%CPEs: 16EXPL: 1

05 Jun 2014 — The dtls1_get_message_fragment function in d1_both.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h allows remote attackers to cause a denial of service (recursion and client crash) via a DTLS hello message in an invalid DTLS handshake. La función dtls1_get_message_fragment en d1_both.c en OpenSSL anterior a 0.9.8za, 1.0.0 anterior a 1.0.0m y 1.0.1 anterior a 1.0.1h permite a atacantes remotos causar una denegación de servicio (recursión y caída de cliente) a través de un mensaje DT... • https://github.com/chihyeonwon/OpenSSL_DTLS_CVE_2014_0221 • CWE-400: Uncontrolled Resource Consumption •

CVSS: 7.4EPSS: 97%CPEs: 28EXPL: 7

05 Jun 2014 — OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly restrict processing of ChangeCipherSpec messages, which allows man-in-the-middle attackers to trigger use of a zero-length master key in certain OpenSSL-to-OpenSSL communications, and consequently hijack sessions or obtain sensitive information, via a crafted TLS handshake, aka the "CCS Injection" vulnerability. OpenSSL anterior a 0.9.8za, 1.0.0 anterior a 1.0.0m y 1.0.1 anterior a 1.0.1h no restringe debidamente el proce... • https://packetstorm.news/files/id/180961 • CWE-326: Inadequate Encryption Strength CWE-841: Improper Enforcement of Behavioral Workflow •

CVSS: 7.5EPSS: 96%CPEs: 8EXPL: 3

05 Jun 2014 — The dtls1_reassemble_fragment function in d1_both.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly validate fragment lengths in DTLS ClientHello messages, which allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow and application crash) via a long non-initial fragment. La función dtls1_reassemble_fragment en d1_both.c en OpenSSL anterior a 0.9.8za, 1.0.0 anterior a 1.0.0m y 1.0.1 anterior a 1.0.1h no valida debidamente lon... • https://packetstorm.news/files/id/180495 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 7.5EPSS: 61%CPEs: 13EXPL: 0

05 May 2014 — The do_ssl3_write function in s3_pkt.c in OpenSSL 1.x through 1.0.1g, when SSL_MODE_RELEASE_BUFFERS is enabled, does not properly manage a buffer pointer during certain recursive calls, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via vectors that trigger an alert condition. La función do_ssl3_write en s3_pkt.c en OpenSSL 1.x hasta 1.0.1g, cuando SSL_MODE_RELEASE_BUFFERS está habilitado, no maneja debidamente un puntero de buffer durante ciertas... • http://advisories.mageia.org/MGASA-2014-0204.html • CWE-476: NULL Pointer Dereference •

CVSS: 7.5EPSS: 32%CPEs: 8EXPL: 0

14 Apr 2014 — Race condition in the ssl3_read_bytes function in s3_pkt.c in OpenSSL through 1.0.1g, when SSL_MODE_RELEASE_BUFFERS is enabled, allows remote attackers to inject data across sessions or cause a denial of service (use-after-free and parsing error) via an SSL connection in a multithreaded environment. Condición de carrera en la función ssl3_read_bytes en s3_pkt.c en OpenSSL hasta 1.0.1g, cuando SSL_MODE_RELEASE_BUFFERS está habilitado, permite a atacantes remotos inyectar datos a través de sesiones o causar u... • http://advisories.mageia.org/MGASA-2014-0187.html • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-416: Use After Free •