CVSS: 8.8EPSS: 0%CPEs: 76EXPL: 1CVE-2021-3656 – kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE)
https://notcve.org/view.php?id=CVE-2021-3656
A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB (virtual machine control block) provided by the L1 guest to spawn/handle a nested guest (L2). Due to improper validation of the "virt_ext" field, this issue could allow a malicious L1 to disable both VMLOAD/VMSAVE intercepts and VLS (Virtual VMLOAD/VMSAVE) for the L2 guest. As a result, the L2 guest would be allowed to read/write physical pages of the host, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape. Se ha encontrado un fallo en el código AMD de KVM para soportar la virtualización anidada SVM. • https://github.com/rami08448/CVE-2021-3656-Demo https://bugzilla.redhat.com/show_bug.cgi?id=1983988 https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=c7dfa4009965a9b2d7b329ee970eb8da0d32f0bc https://github.com/torvalds/linux/commit/c7dfa4009965a9b2d7b329ee970eb8da0d32f0bc https://www.openwall.com/lists/oss-security/2021/08/16/1 https://access.redhat.com/security/cve/CVE-2021-3656 • CWE-862: Missing Authorization •
CVSS: 8.8EPSS: 0%CPEs: 21EXPL: 0CVE-2020-10531 – ICU: Integer overflow in UnicodeString::doAppend()
https://notcve.org/view.php?id=CVE-2020-10531
An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend() function in common/unistr.cpp. Se detectó un problema en International Components for Unicode (ICU) para C/C++ versiones hasta 66.1. Se presenta un desbordamiento de enteros, conllevando a un desbordamiento de búfer en la región heap de la memoria, en la función UnicodeString::doAppend() en el archivo common/unistr.cpp. • http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00004.html https://access.redhat.com/errata/RHSA-2020:0738 https://bugs.chromium.org/p/chromium/issues/detail?id=1044570 https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html https://chromium.googlesource.com/chromium/deps/icu/+/9f4020916eb1f28f3666f018fdcbe6c9a37f0e08 https://github.com/unicode-org/icu/commit/b7d08bc04a4296982fcef8b6b8a354a9e4e7afca https://github.com/unicode-org/icu/pull/971 https://lists.debian • CWE-190: Integer Overflow or Wraparound CWE-787: Out-of-bounds Write •
CVSS: 9.8EPSS: 0%CPEs: 26EXPL: 0CVE-2019-15605 – nodejs: HTTP request smuggling using malformed Transfer-Encoding header
https://notcve.org/view.php?id=CVE-2019-15605
HTTP request smuggling in Node.js 10, 12, and 13 causes malicious payload delivery when transfer-encoding is malformed El tráfico no autorizado de peticiones HTTP en Node.js versiones 10, 12 y 13, causa la entrega maliciosa de la carga útil cuando la codificación de transferencia es malformada. A flaw was found in the Node.js code where a specially crafted HTTP(s) request sent to a Node.js server failed to properly process the HTTP(s) headers, resulting in a request smuggling attack. An attacker can use this flaw to alter a request sent as an authenticated user if the Node.js server is deployed behind a proxy server that reuses connections. • http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00008.html https://access.redhat.com/errata/RHSA-2020:0573 https://access.redhat.com/errata/RHSA-2020:0579 https://access.redhat.com/errata/RHSA-2020:0597 https://access.redhat.com/errata/RHSA-2020:0598 https://access.redhat.com/errata/RHSA-2020:0602 https://access.redhat.com/errata/RHSA-2020:0703 https://access.redhat.com/errata/RHSA-2020:0707 https://access.redhat.com/errata/RHSA-2020:0708 https://hackerone& • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') •
CVSS: 4.3EPSS: 0%CPEs: 52EXPL: 0CVE-2020-2659 – OpenJDK: Incomplete enforcement of maxDatagramSockets limit in DatagramChannelImpl (Networking, 8231795)
https://notcve.org/view.php?id=CVE-2020-2659
Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Networking). Supported versions that are affected are Java SE: 7u241 and 8u231; Java SE Embedded: 8u231. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00060.html https://access.redhat.com/errata/RHSA-2020:0157 https://access.redhat.com/errata/RHSA-2020:0196 https://access.redhat.com/errata/RHSA-2020:0202 https://access.redhat.com/errata/RHSA-2020:0231 https://access.redhat.com/errata/RHSA-2020:0465 https://access.redhat.com/errata/RHSA-2020:0467 https://access.redhat.com/errata/RHSA-2020:0468 https://access.redhat.com/errata/RHSA-2020:0469 https://access. • CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 4.3EPSS: 0%CPEs: 75EXPL: 0CVE-2020-2654 – OpenJDK: Excessive memory usage in OID processing in X.509 certificate parsing (Libraries, 8234037)
https://notcve.org/view.php?id=CVE-2020-2654
Vulnerability in the Java SE product of Oracle Java SE (component: Libraries). Supported versions that are affected are Java SE: 7u241, 8u231, 11.0.5 and 13.0.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00050.html http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00060.html https://access.redhat.com/errata/RHSA-2020:0122 https://access.redhat.com/errata/RHSA-2020:0128 https://access.redhat.com/errata/RHSA-2020:0157 https://access.redhat.com/errata/RHSA-2020:0196 https://access.redhat.com/errata/RHSA-2020:0202 https://access.redhat.com/errata/RHSA-2020:0231 https://access.redhat.com/errata/RHSA-2020:0 • CWE-770: Allocation of Resources Without Limits or Throttling •