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CVSS: 7.8EPSS: 9%CPEs: 39EXPL: 0

Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both. Algunas implementaciones de HTTP / 2 son vulnerables a la manipulación del tamaño de la ventana y la manipulación de priorización de flujo, lo que puede conducir a una denegación de servicio. • http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html https://access.redhat.com/errata/RHSA-2019:2692 https:/ • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 7.8EPSS: 82%CPEs: 55EXPL: 0

Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RST_STREAM frames from the peer. Depending on how the peer queues the RST_STREAM frames, this can consume excess memory, CPU, or both. Algunas implementaciones de HTTP / 2 son vulnerables a una inundación de reinicio, lo que puede conducir a una denegación de servicio. El atacante abre una serie de secuencias y envía una solicitud no válida sobre cada secuencia que debería solicitar una secuencia de tramas RST_STREAM del par. • http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00076.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html http://lists.opensuse.org/opensuse-security-announce/2019-09 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 5.9EPSS: 1%CPEs: 180EXPL: 0

If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0 byte record is received with an invalid MAC. If the application then behaves differently based on that in a way that is detectable to the remote peer, then this amounts to a padding oracle that could be used to decrypt data. In order for this to be exploitable "non-stitched" ciphersuites must be in use. Stitched ciphersuites are optimised implementations of certain commonly used ciphersuites. Also the application must call SSL_shutdown() twice even if a protocol error has occurred (applications should not do this but some do anyway). • http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00041.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00019.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00046.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00049.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00080.html http://www.securityfocus.com/bid/107174 https://access. • CWE-203: Observable Discrepancy CWE-325: Missing Cryptographic Step •

CVSS: 8.1EPSS: 9%CPEs: 17EXPL: 0

FasterXML jackson-databind through 2.8.11 and 2.9.x through 2.9.3 allows unauthenticated remote code execution because of an incomplete fix for the CVE-2017-7525 and CVE-2017-17485 deserialization flaws. This is exploitable via two different gadgets that bypass a blacklist. FasterXML jackson-databind, hasta la versión 2.8.11 y las versiones 2.9.x hasta la 2.9.3, permite la ejecución remota de código sin autenticar debido a una solución incompleta para los errores de deserialización CVE-2017-7525 y CVE-2017-17485. Esto es explotable mediante dos gadgets diferentes que omiten una lista negra. A deserialization flaw was discovered in the jackson-databind that could allow an unauthenticated user to perform code execution by sending the maliciously crafted input to the readValue method of the ObjectMapper. • https://access.redhat.com/errata/RHSA-2018:0478 https://access.redhat.com/errata/RHSA-2018:0479 https://access.redhat.com/errata/RHSA-2018:0480 https://access.redhat.com/errata/RHSA-2018:0481 https://access.redhat.com/errata/RHSA-2018:1525 https://access.redhat.com/errata/RHSA-2019:2858 https://access.redhat.com/errata/RHSA-2019:3149 https://github.com/FasterXML/jackson-databind/issues/1899 https://security.netapp.com/advisory/ntap-20180423-0002 https://support.hpe.com/h • CWE-184: Incomplete List of Disallowed Inputs CWE-502: Deserialization of Untrusted Data •

CVSS: 9.8EPSS: 14%CPEs: 21EXPL: 2

FasterXML jackson-databind through 2.8.10 and 2.9.x through 2.9.3 allows unauthenticated remote code execution because of an incomplete fix for the CVE-2017-7525 deserialization flaw. This is exploitable by sending maliciously crafted JSON input to the readValue method of the ObjectMapper, bypassing a blacklist that is ineffective if the Spring libraries are available in the classpath. FasterXML jackson-databind hasta la versión 2.8.10 y 2.9.x hasta la 2.9.3 permite que se ejecute código de manera remota y no autenticada debido a una solución incompleta de la vulnerabilidad de deserialización CVE-2017-7525. Esto es explotable enviando una entrada JSON manipulada maliciosamente al método readValue de ObjectMapper, omitiendo una lista negra que no es efectiva si las librerías Spring están disponibles en el classpath. A deserialization flaw was discovered in the jackson-databind which could allow an unauthenticated user to perform code execution by sending maliciously crafted input to the readValue method of ObjectMapper. • https://github.com/Al1ex/CVE-2017-17485 https://github.com/tafamace/CVE-2017-17485 http://www.securityfocus.com/archive/1/541652/100/0/threaded https://access.redhat.com/errata/RHSA-2018:0116 https://access.redhat.com/errata/RHSA-2018:0342 https://access.redhat.com/errata/RHSA-2018:0478 https://access.redhat.com/errata/RHSA-2018:0479 https://access.redhat.com/errata/RHSA-2018:0480 https://access.redhat.com/errata/RHSA-2018:0481 https://access.redhat.com/errata/RHS • CWE-502: Deserialization of Untrusted Data •