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CVSS: 5.9EPSS: 20%CPEs: 34EXPL: 0

07 Dec 2017 — There is an overflow bug in the AVX2 Montgomery multiplication procedure used in exponentiation with 1024-bit moduli. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH1024 are considered just feasible, because most of the work necessary to deduce information about a private key may be performed offline. The amount of resources required for such an attack would be sign... • http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html • CWE-190: Integer Overflow or Wraparound CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 6.5EPSS: 5%CPEs: 2EXPL: 0

02 Nov 2017 — There is a carry propagating bug in the x86_64 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH are considered just feasible (although very difficult) because most of the work necessary to deduce information about a private key may be performed offline. The amount of resources required fo... • http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-682: Incorrect Calculation •

CVSS: 5.3EPSS: 35%CPEs: 102EXPL: 0

28 Aug 2017 — While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte overread. This would result in an incorrect text display of the certificate. This bug has been present since 2006 and is present in all versions of OpenSSL before 1.0.2m and 1.1.0g. Al analizar una extensión IPAddressFamily en un certificado X.509, es posible realizar una sobrelectura de un bit. Esto tendría como resultado que el texto del certificado se muestre de forma incorrecta. • http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-125: Out-of-bounds Read •

CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 1

30 Jan 2017 — The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key, which makes it easier for context-dependent attackers to bypass the encryption protection mechanism. La openssl gem para Ruby utiliza el mismo vector de inicialización (IV) en el modo GCM (aes - * - gcm) cuando el IV se establece en versiones anteriores a la clave, lo que facilita que los atacantes dependiendo del contexto eludan el mecanismo de protección del cifrado. It was discover... • http://www.openwall.com/lists/oss-security/2016/09/19/9 • CWE-326: Inadequate Encryption Strength •

CVSS: 7.5EPSS: 69%CPEs: 87EXPL: 1

30 Jan 2017 — A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients. Se ha encontrado un fallo de denegación de servicio en OpenSSL en las versiones 0.9.8, 1.0.1, 1.0.2 hasta la 1.0.2h y la 1.1.0 en la forma en la que el protocolo TLS/SSL de... • https://github.com/cujanovic/CVE-2016-8610-PoC • CWE-400: Uncontrolled Resource Consumption •

CVSS: 7.5EPSS: 14%CPEs: 22EXPL: 0

26 Jan 2017 — If an SSL/TLS server or client is running on a 32-bit host, and a specific cipher is being used, then a truncated packet can cause that server or client to perform an out-of-bounds read, usually resulting in a crash. For OpenSSL 1.1.0, the crash can be triggered when using CHACHA20/POLY1305; users should upgrade to 1.1.0d. For Openssl 1.0.2, the crash can be triggered when using RC4-MD5; users who have not disabled that algorithm should update to 1.0.2k. Si un servidor o cliente SSL/TLS se ejecuta en un hos... • http://rhn.redhat.com/errata/RHSA-2017-0286.html • CWE-125: Out-of-bounds Read •

CVSS: 5.9EPSS: 5%CPEs: 21EXPL: 0

26 Jan 2017 — There is a carry propagating bug in the x86_64 Montgomery squaring procedure in OpenSSL 1.0.2 before 1.0.2k and 1.1.0 before 1.1.0d. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH are considered just feasible (although very difficult) because most of the work necessary to deduce information about a private key may be performed offline. The amount of resources requi... • http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 5.9EPSS: 8%CPEs: 7EXPL: 0

10 Nov 2016 — There is a carry propagating bug in the Broadwell-specific Montgomery multiplication procedure in OpenSSL 1.0.2 and 1.1.0 before 1.1.0c that handles input lengths divisible by, but longer than 256 bits. Analysis suggests that attacks against RSA, DSA and DH private keys are impossible. This is because the subroutine in question is not used in operations with the private key itself and an input of the attacker's direct choice. Otherwise the bug can manifest itself as transient authentication and key negotiat... • http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html • CWE-682: Incorrect Calculation •

CVSS: 7.8EPSS: 20%CPEs: 41EXPL: 1

22 Sep 2016 — Multiple memory leaks in t1_lib.c in OpenSSL before 1.0.1u, 1.0.2 before 1.0.2i, and 1.1.0 before 1.1.0a allow remote attackers to cause a denial of service (memory consumption) via large OCSP Status Request extensions. Múltiples fugas de memoria en t1_lib.c en OpenSSL en versiones anteriores a 1.0.1u, 1.0.2 en versiones anteriores a 1.0.2i y 1.1.0 en versiones anteriores a 1.1.0a permiten a atacantes remotos provocar una denegación de servicio (consumo de memoria) a través de grandes extensiones OCSP Statu... • https://packetstorm.news/files/id/139091 • CWE-400: Uncontrolled Resource Consumption CWE-401: Missing Release of Memory after Effective Lifetime •

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 •