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

19 Mar 2019 — Matrix Synapse before 0.34.0.1, when the macaroon_secret_key authentication parameter is not set, uses a predictable value to derive a secret key and other secrets which could allow remote attackers to impersonate users. Matrix Synapse, en versiones anteriores a la 0.34.0.1, cuando el parámetro de autenticación macaroon_secret_key no se establece, emplea un valor predecible para obtener una clave secreta y otros secretos, lo que podría permitir que los atacantes remotos suplanten usuarios. • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/32Y6KD3OAHCG5P33HC2QEX3NUZOSXCGZ • CWE-330: Use of Insufficiently Random Values •

CVSS: 8.8EPSS: 0%CPEs: 2EXPL: 0

18 Sep 2018 — Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation. Matrix Synapse en versiones anteriores a la 0.33.3.1 permite que atacantes remotos suplanten eventos y provoquen otro tipo de impacto sin especificar aprovechando la validación incorrecta de firmas de transacciones y eventos. • https://github.com/matrix-org/synapse/issues/3796#event-1833126269 • CWE-347: Improper Verification of Cryptographic Signature •

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

14 Jun 2018 — In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force. En Synapse en versiones anteriores a la 0.31.2, los usuarios no autorizados pueden secuestrar salas cuando no hay ningún evento m.room.power_levels en aplicación. • https://bugs.debian.org/901549 •

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

13 Jun 2018 — The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly. La función on_get_missing_events en handlers/federation.py en Matrix Synapse en versiones anteriores a la 0.31.1 tiene un error de seguridad en la API de federación get_missing_events donde las reglas de visibilidad de evento no se aplicaron correctamente. • https://github.com/matrix-org/synapse/pull/3371 •

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

02 May 2018 — Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2^63 - 1 render rooms unusable, related to federation/federation_base.py and handlers/message.py, as exploited in the wild in April 2018. Matrix Synapse en versiones anteriores a la 0.28.1 es propenso a un error de denegación de servicio (DoS) en el que los eventos maliciosos inyectados con una profundidad de = 2^63 - 1 hacen que las habitaciones no puedan usarse. Esto está relacionado con federati... • https://github.com/matrix-org/synapse/commit/33f469ba19586bbafa0cf2c7d7c35463bdab87eb • CWE-20: Improper Input Validation •

CVSS: 9.8EPSS: 3%CPEs: 12EXPL: 1

11 Dec 2017 — In Apache Synapse, by default no authentication is required for Java Remote Method Invocation (RMI). So Apache Synapse 3.0.1 or all previous releases (3.0.0, 2.1.0, 2.0.0, 1.2, 1.1.2, 1.1.1) allows remote code execution attacks that can be performed by injecting specially crafted serialized objects. And the presence of Apache Commons Collections 3.2.1 (commons-collections-3.2.1.jar) or previous versions in Synapse distribution makes this exploitable. To mitigate the issue, we need to limit RMI access to tru... • https://github.com/HuSoul/CVE-2017-15708 • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') •

CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0

13 Sep 2017 — rzpnk.sys in Razer Synapse 2.20.15.1104 allows local users to read and write to arbitrary memory locations, and consequently gain privileges, via a methodology involving a handle to \Device\PhysicalMemory, IOCTL 0x22A064, and ZwMapViewOfSection. rzpnk en Razer Synapse 2.20.15.1104 permite a los usuarios locales leer y escribir ubicaciones de memoria arbitrarias y, como consecuencia, ganar privilegios mediante una metodología que involucre el manejo de \Device\PhysicalMemory, IOCTL 0x22A064 y ZwMapViewOfSect... • https://twitter.com/FuzzySec/status/907722788219256832 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 1

26 Jul 2017 — Razer Synapse 2.20.15.1104 and earlier uses weak permissions for the Devices directory, which allows local users to gain privileges via a Trojan horse (1) RazerConfigNative.dll or (2) RazerConfigNativeLOC.dll file. Razer Synapse 2.20.15.1104 y anteriores emplea permisos débiles para el directorio Devices, lo que permite que usuarios locales obtengan privilegios mediante un archivo troyano (1) RazerConfigNative.dll or (2) RazerConfigNativeLOC.dll. Razer Synapse versions 2.20.15.1104 and below suffer from mul... • https://packetstorm.news/files/id/143516 • CWE-732: Incorrect Permission Assignment for Critical Resource •

CVSS: 8.4EPSS: 0%CPEs: 1EXPL: 1

26 Jul 2017 — Razer Synapse 2.20.15.1104 and earlier uses weak permissions for the CrashReporter directory, which allows local users to gain privileges via a Trojan horse dbghelp.dll file. Razer Synapse 2.20.15.1104 y anteriores emplea permisos débiles para el directorio CrashReporter, lo que permite que usuarios locales obtengan privilegios mediante un archivo troyano dbghelp.dll. Razer Synapse versions 2.20.15.1104 and below suffer from multiple dll search order hijacking vulnerabilities. • https://packetstorm.news/files/id/143516 • CWE-732: Incorrect Permission Assignment for Critical Resource •

CVSS: 10.0EPSS: 57%CPEs: 1EXPL: 5

22 Jul 2017 — A specially crafted IOCTL can be issued to the rzpnk.sys driver in Razer Synapse 2.20.15.1104 that is forwarded to ZwOpenProcess allowing a handle to be opened to an arbitrary process. Se podría enviar una llamada IOCTL especialmente manipulada al controlador rzpnk.sys en Razer Synapse 2.20.15.1104 que se reenviaría a ZwOpenProcess, permitiendo que se abra un manipulador para un proceso arbitrario. A vulnerability exists in the latest version of Razer Synapse (v2.20.15.1104 as of the day of disclosure) whic... • https://packetstorm.news/files/id/143450 •