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CVSS: 5.6EPSS: 97%CPEs: 1467EXPL: 3

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis. Los sistemas con microprocesadores con ejecución especulativa y predicción de ramas podrían permitir la revelación no autorizada de información al atacante con acceso de usuario local mediante un análisis de un canal lateral. An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimization). There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5753 triggers the speculative execution by performing a bounds-check bypass. • https://www.exploit-db.com/exploits/43427 https://github.com/sachinthaBS/Spectre-Vulnerability-CVE-2017-5753- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00014.html http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00016.html http://nvidia.custhe • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-203: Observable Discrepancy •

CVSS: 7.5EPSS: 0%CPEs: 20EXPL: 2

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern AMD processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR. Los paseos de la tabla de páginas llevados a cabo por la MMU durante la traducción de la dirección virtual a física dejan un rastro en la caché de último nivel de los procesadores AMD modernos. Realizando un ataque de canal lateral en las operaciones de MMU, es posible perder datos y punteros de código de JavaScript, rompiendo la ASLR. • http://www.cs.vu.nl/~herbertb/download/papers/anc_ndss17.pdf http://www.securityfocus.com/bid/96457 https://www.vusec.net/projects/anc • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.5EPSS: 0%CPEs: 20EXPL: 2

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern Intel processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR. Los paseos de la tabla de páginas llevados a cabo por la MMU durante la traducción de la dirección virtual a física dejan un rastro en la caché de último nivel de los procesadores Intel modernos. Realizando un ataque de canal lateral en las operaciones de MMU, es posible perder datos y punteros de código de JavaScript, rompiendo la ASLR. • http://www.cs.vu.nl/~herbertb/download/papers/anc_ndss17.pdf http://www.securityfocus.com/bid/96452 https://www.vusec.net/projects/anc • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.5EPSS: 0%CPEs: 20EXPL: 2

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern ARM processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR. Los paseos de la tabla de páginas llevados a cabo por la MMU durante la traducción de la dirección virtual a física dejan un rastro en la caché de último nivel de los procesadores ARM modernos. Realizando un ataque de canal lateral en las operaciones de MMU, es posible perder datos y punteros de código de JavaScript, rompiendo la ASLR. • http://www.cs.vu.nl/~herbertb/download/papers/anc_ndss17.pdf http://www.securityfocus.com/bid/96459 https://www.vusec.net/projects/anc • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •