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CVSS: 7.5EPSS: 2%CPEs: 62EXPL: 0

27 Mar 2009 — OpenSSL before 0.9.8k on WIN64 and certain other platforms does not properly handle a malformed ASN.1 structure, which allows remote attackers to cause a denial of service (invalid memory access and application crash) by placing this structure in the public key of a certificate, as demonstrated by an RSA public key. OpenSSL anterior a v0.9.8k en plataformas WIN64 y otras plataformas no maneja adecuadamente una estructura ASN.1 malformada, permitiendo a atacantes remotos provocar una denegación de servicio (... • ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-008.txt.asc • CWE-189: Numeric Errors •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 1

20 Feb 2009 — OpenSSL, probably 0.9.6, does not verify the Basic Constraints for an intermediate CA-signed certificate, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack, a related issue to CVE-2002-0970. OpenSSL, probablemente v0.9.6, no verifica las limitacion basicas para un certificado de autoridad certificadora intermedia, lo que permite a atacantes remotos falsificar lo certificados de sitios de confianza, a traves de un ataque de hombre en el medio, relacionada... • http://www.blackhat.com/html/bh-dc-09/bh-dc-09-speakers.html#Marlinspike • CWE-287: Improper Authentication •

CVSS: 6.1EPSS: 1%CPEs: 59EXPL: 0

07 Jan 2009 — OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys. OpenSSL 0.9.8i y versiones anteriores no comprueba correctamente el valor de retorno de la función EVP_VerifyFinal, lo que permite a atacantes remotos evitar la validación de la cadena del certificado a través de una firma SSL/TLS mal formada para las claves DSA y ECDSA. • http://lists.apple.com/archives/security-announce/2009/May/msg00002.html • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 6%CPEs: 3EXPL: 2

10 Jul 2008 — Memory leak in the zlib_stateful_init function in crypto/comp/c_zlib.c in libssl in OpenSSL 0.9.8f through 0.9.8h allows remote attackers to cause a denial of service (memory consumption) via multiple calls, as demonstrated by initial SSL client handshakes to the Apache HTTP Server mod_ssl that specify a compression algorithm. Fuga de memoria en la Función zlib_stateful_init en crypto/comp/c_zlib.c en libssl en OpenSSL v0.9.8f a la 0.9.8h, permite a atacantes remotos causar una denegación de servicio (consu... • http://bugs.gentoo.org/show_bug.cgi?id=222643 • CWE-399: Resource Management Errors CWE-401: Missing Release of Memory after Effective Lifetime •

CVSS: 7.5EPSS: 10%CPEs: 2EXPL: 0

29 May 2008 — Double free vulnerability in OpenSSL 0.9.8f and 0.9.8g, when the TLS server name extensions are enabled, allows remote attackers to cause a denial of service (crash) via a malformed Client Hello packet. NOTE: some of these details are obtained from third party information. Vulnerabilidad de doble liberación en OpenSSL 0.9.8f y 0.9.8g, cuando las extensiones de nombre de servidor TLS están habilitadas, permite a atacantes remotos provocar una denegación de servicio (caída) a través de un paquete manipulado. ... • http://cert.fi/haavoittuvuudet/2008/advisory-openssl.html • CWE-189: Numeric Errors •

CVSS: 7.5EPSS: 21%CPEs: 3EXPL: 0

29 May 2008 — OpenSSL 0.9.8f and 0.9.8g allows remote attackers to cause a denial of service (crash) via a TLS handshake that omits the Server Key Exchange message and uses "particular cipher suites," which triggers a NULL pointer dereference. OpenSSL 0.9.8f y 0.9.8g permite a atacantes remotos provocar una denegación de servicio (caída) mediante una negociación TLS que omite el Server Key Excahnge y usa "particular cipher suites." • http://cert.fi/haavoittuvuudet/2008/advisory-openssl.html • CWE-476: NULL Pointer Dereference •

CVSS: 7.8EPSS: 3%CPEs: 6EXPL: 8

13 May 2008 — OpenSSL 0.9.8c-1 up to versions before 0.9.8g-9 on Debian-based operating systems uses a random number generator that generates predictable numbers, which makes it easier for remote attackers to conduct brute force guessing attacks against cryptographic keys. OpenSSL versión 0.9.8c-1 hasta versiones anteriores a 0.9.8g-9, sobre sistemas operativos basados en Debian usa un generador de números aleatorios que genera números predecibles, lo que facilita a atacantes remotos la conducción de ataques de adivinaci... • https://www.exploit-db.com/exploits/5622 • CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) •

CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0

18 Oct 2007 — Unspecified vulnerability in OpenSSL before A.00.09.07l on HP-UX B.11.11, B.11.23, and B.11.31 allows local users to cause a denial of service via unspecified vectors. Vulnerabilidad sin especificar en el OpenSSL anterior al A.00.09.07l en el HP-UX B.11.11, B.11.23 y B.11.31 permite a usuarios locales provocar una denegación de servicio a través de vectores sin especificar. • http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01203958 •

CVSS: 9.8EPSS: 9%CPEs: 6EXPL: 0

13 Oct 2007 — Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors. Un error por un paso en la implementación de DTLS en OpenSSL versiones 0.9.8 anteriores a 0.9.8f, permite a atacantes remotos ejecutar código arbitrario por medio de vectores no especificados. Multiple vulnerabilities have been found in AMD64 x86 emulation base libraries, the worst of which may allow remote execution of arbitrary code. Versions prior to 201404... • http://bugs.gentoo.org/show_bug.cgi?id=195634 • CWE-189: Numeric Errors •

CVSS: 9.8EPSS: 51%CPEs: 26EXPL: 0

27 Sep 2007 — Off-by-one error in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 up to 0.9.7l, and 0.9.8 up to 0.9.8f, might allow remote attackers to execute arbitrary code via a crafted packet that triggers a one-byte buffer underflow. NOTE: this issue was introduced as a result of a fix for CVE-2006-3738. As of 20071012, it is unknown whether code execution is possible. Un error por un paso en la función SSL_get_shared_ciphers en OpenSSL versiones 0.9.7 hasta 0.9.7l, y versiones 0.9.8 hasta 0.9.8f, podría permit... • ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.asc • CWE-189: Numeric Errors CWE-193: Off-by-one Error •