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CVSS: 4.8EPSS: 0%CPEs: 41EXPL: 2

Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'. SMT (Simultaneous Multi-threading) en los procesadores puede habilitar que usuarios locales exploten software vulnerable a ataques de sincronización mediante un ataques de sincronización de canal lateral en la "contención de puertos". A microprocessor side-channel vulnerability was found on SMT (e.g, Hyper-Threading) architectures. An attacker running a malicious process on the same core of the processor as the victim process can extract certain secret information. • https://www.exploit-db.com/exploits/45785 http://www.securityfocus.com/bid/105897 https://access.redhat.com/errata/RHSA-2019:0483 https://access.redhat.com/errata/RHSA-2019:0651 https://access.redhat.com/errata/RHSA-2019:0652 https://access.redhat.com/errata/RHSA-2019:2125 https://access.redhat.com/errata/RHSA-2019:3929 https://access.redhat.com/errata/RHSA-2019:3931 https://access.redhat.com/errata/RHSA-2019:3932 https://access.redhat.com/errata/RHSA-2019:3933 https& • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-203: Observable Discrepancy •

CVSS: 5.9EPSS: 0%CPEs: 44EXPL: 0

The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p). • http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html http://www.securityfocus.com/bid/105758 https://access.redhat.com/errata/RHSA-2019:2304 https://access.redhat.com/errata/RHSA-2019:3700 https://access.redhat.com/errata/RHSA-2019:3932 https://access.redhat.com/errata/RHSA-2019:3933 https://access.redhat.com/errata/RHSA-2019:3935 https://git.openssl.org/gitweb/?p=openssl.git%3Ba • CWE-327: Use of a Broken or Risky Cryptographic Algorithm CWE-385: Covert Timing Channel •

CVSS: 5.9EPSS: 0%CPEs: 47EXPL: 0

The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Se ha demostrado que el algoritmo de firmas ECDSA en OpenSSL es vulnerable a un ataque de sincronización de canal lateral. • http://www.securityfocus.com/bid/105750 http://www.securitytracker.com/id/1041986 https://access.redhat.com/errata/RHSA-2019:3700 https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=56fb454d281a023b3f950d969693553d3f3ceea1 https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4 https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html https://nodejs.org/en/blog/vulnerability/november-2018-security-releases https://security.netapp.com/advisor • CWE-327: Use of a Broken or Risky Cryptographic Algorithm CWE-385: Covert Timing Channel •

CVSS: 9.8EPSS: 0%CPEs: 47EXPL: 0

Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60 contains a CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in XMSS/XMSS^MT private key deserialization that can result in Deserializing an XMSS/XMSS^MT private key can result in the execution of unexpected code. This attack appear to be exploitable via A handcrafted private key can include references to unexpected classes which will be picked up from the class path for the executing application. This vulnerability appears to have been fixed in 1.60 and later. Las API Legion of the Bouncy Castle Java Cryptography de Legion of the Bouncy Castle en versiones hasta 1.58 pero sin incluir la versión 1.60, contiene una debilidad CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection'), vulnerabilidad en la deserialización de la clave privada XMSS/XMSS^MT que puede resultar en desrealizar una clave privada XMSS/XMSS^MT puede resultar en la ejecución de código inesperado. Este ataque parece ser explotable por medio de una clave privada artesanal que puede incluir referencias a clases inesperadas que se recogerán del class path para la aplicación en ejecución. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00011.html https://github.com/bcgit/bc-java/commit/4092ede58da51af9a21e4825fbad0d9a3ef5a223#diff-2c06e2edef41db889ee14899e12bd574 https://github.com/bcgit/bc-java/commit/cd98322b171b15b3f88c5ec871175147893c31e6#diff-148a6c098af0199192d6aede960f45dc https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2%40%3Cissues.geode.apache.org%3E https://security.netapp.com/advisory/ntap-20190204-0003 https://www.oracle.com/security-alerts/cpuApr2021.html https://www.or • CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') •

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

Bouncy Castle BC 1.54 - 1.59, BC-FJA 1.0.0, BC-FJA 1.0.1 and earlier have a flaw in the Low-level interface to RSA key pair generator, specifically RSA Key Pairs generated in low-level API with added certainty may have less M-R tests than expected. This appears to be fixed in versions BC 1.60 beta 4 and later, BC-FJA 1.0.2 and later. Bouncy Castle BC 1.54 - 1.59, BC-FJA 1.0.0, BC-FJA 1.0.1 y anteriores tiene un vulnerabilidad en la interfaz de bajo nivel del generador de claves RSA; específicamente, los pares de claves RSA generados en la API de bajo nivel con un valor certainty añadido pueden tener menos tests M-R de lo esperado. Parece que se ha resuelto en versiones BC 1.60 beta 4 y posteriores y BC-FJA 1.0.2 y posteriores. A vulnerability was found in BouncyCastle. • http://www.securityfocus.com/bid/106567 https://access.redhat.com/errata/RHSA-2018:2423 https://access.redhat.com/errata/RHSA-2018:2424 https://access.redhat.com/errata/RHSA-2018:2425 https://access.redhat.com/errata/RHSA-2018:2428 https://access.redhat.com/errata/RHSA-2018:2643 https://access.redhat.com/errata/RHSA-2018:2669 https://access.redhat.com/errata/RHSA-2019:0877 https://github.com/bcgit/bc-java/commit/22467b6e8fe19717ecdf201c0cf91bacf04a55ad https://github.com/bcgit/ • CWE-325: Missing Cryptographic Step CWE-327: Use of a Broken or Risky Cryptographic Algorithm •