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CVSS: 7.5EPSS: 1%CPEs: 9EXPL: 0

In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is configured with both QNAME minimization and 'forward first' then an attacker who can send queries to it may be able to trigger the condition that will cause the server to crash. Servers that 'forward only' are not affected. En BIND versiones 9.14.0 -) 9.16.5, 9.17.0 -) 9.17.3, si un servidor está configurado con minimización de QNAME y "forward first", entonces un atacante que pueda enviarle consultas puede ser capaz de desencadenar la condición que causará que el servidor se bloquee. Los servidores con "forward only" no están afectados. • http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html https://kb.isc.org/docs/cve-2020-8621 https://security.gentoo.org/glsa/202008-19 https://security.netapp.com/advisory/ntap-20200827-0003 https://usn.ubuntu.com/4468-1 https://www.synology.com/security/advisory/Synology_SA_20_19 • CWE-617: Reachable Assertion •

CVSS: 7.5EPSS: 2%CPEs: 12EXPL: 0

In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit. En BIND versiones 9.15.6 -) 9.16.5, 9.17.0 -) 9.17.3, un atacante que puede establecer una conexión TCP con el servidor y enviar datos en esa conexión puede explotar esto para desencadenar el fallo de aserción, causando la salida del servidor. • http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html https://kb.isc.org/docs/cve-2020-8620 https://security.gentoo.org/glsa/202008-19 https://security.netapp.com/advisory/ntap-20200827-0003 https://usn.ubuntu.com/4468-1 https://www.synology.com/security/advisory/Synology_SA_20_19 • CWE-617: Reachable Assertion •

CVSS: 4.3EPSS: 0%CPEs: 21EXPL: 0

The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c. El kernel de Linux versiones hasta 5.7.11, permite a atacantes remotos realizar observaciones que ayudan a obtener información confidencial sobre el estado interno de la red RNG, también se conoce como CID-f227e3ec3b5c. Esto está relacionado con los archivos drivers/char/random.c y kernel/time/timer.c A flaw was found in the Linux kernel. The generation of the device ID from the network RNG internal state is predictable. • http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html https://arxiv.org/pdf/2012.07432.pdf https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638 https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4 https://lists.debian& • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-330: Use of Insufficiently Random Values •

CVSS: 7.8EPSS: 0%CPEs: 12EXPL: 3

scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of "anomalous argument transfers" because that could "stand a great chance of breaking existing workflows." ** EN DISPUTA ** scp en OpenSSH versiones hasta 8.3p1 permite una inyección de comandos en la función toremote de scp.c, como lo demuestran los caracteres backtick en el argumento de destino. NOTA: según se informa, el proveedor ha declarado que omite intencionadamente la validación de las "transferencias de argumentos anómalos" porque eso podría "tener grandes posibilidades de romper los flujos de trabajo existentes" A flaw was found in the scp program shipped with the openssh-clients package. An attacker having the ability to scp files to a remote server, could execute arbitrary commands on the remote server by including the command as a part of the filename being copied on the server. This command is run with the permissions of user with which the files were copied on the remote server. • https://github.com/cpandya2909/CVE-2020-15778 https://github.com/Neko-chanQwQ/CVE-2020-15778-Exploit https://github.com/Evan-Zhangyf/CVE-2020-15778 https://access.redhat.com/errata/RHSA-2024:3166 https://news.ycombinator.com/item?id=25005567 https://security.gentoo.org/glsa/202212-06 https://security.netapp.com/advisory/ntap-20200731-0007 https://www.openssh.com/security.html https://access.redhat.com/security/cve/CVE-2020-15778 https://bugzilla.redhat.com/show_bug.cgi?id&# • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •

CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0

An issue was discovered in the Linux kernel 5.5 through 5.7.9, as used in Xen through 4.13.x for x86 PV guests. An attacker may be granted the I/O port permissions of an unrelated task. This occurs because tss_invalidate_io_bitmap mishandling causes a loss of synchronization between the I/O bitmaps of TSS and Xen, aka CID-cadfad870154. Se detectó un problema en el kernel de Linux versiones 5.5 hasta 5.7.9, como es usado en Xen versiones hasta 4.13.x para invitados PV x86. Un atacante puede otorgar los permisos del puerto de I/O de una tarea no relacionada. • http://www.openwall.com/lists/oss-security/2020/07/21/2 http://xenbits.xen.org/xsa/advisory-329.html https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cadfad870154e14f745ec845708bc17d166065f2 https://github.com/torvalds/linux/commit/cadfad870154e14f745ec845708bc17d166065f2 https://security.netapp.com/advisory/ntap-20200810-0001 • CWE-276: Incorrect Default Permissions •