CVE-2021-3975 – libvirt: segmentation fault during VM shutdown can lead to vdsm hang

https://notcve.org/view.php?id=CVE-2021-3975

03 May 2022 — A use-after-free flaw was found in libvirt. The qemuMonitorUnregister() function in qemuProcessHandleMonitorEOF is called using multiple threads without being adequately protected by a monitor lock. This flaw could be triggered by the virConnectGetAllDomainStats API when the guest is shutting down. An unprivileged client with a read-only connection could use this flaw to perform a denial of service attack by causing the libvirt daemon to crash. Se ha encontrado un fallo de uso de memoria previamente liberad... • https://access.redhat.com/security/cve/CVE-2021-3975 • CWE-416: Use After Free •

CVE-2022-1227 – psgo: Privilege escalation in 'podman top'

https://notcve.org/view.php?id=CVE-2022-1227

29 Apr 2022 — A privilege escalation flaw was found in Podman. This flaw allows an attacker to publish a malicious image to a public registry. Once this image is downloaded by a potential victim, the vulnerability is triggered after a user runs the 'podman top' command. This action gives the attacker access to the host filesystem, leading to information disclosure or denial of service. Se ha encontrado un fallo de escalada de privilegios en Podman. • https://github.com/iridium-soda/CVE-2022-1227_Exploit • CWE-269: Improper Privilege Management CWE-281: Improper Preservation of Permissions •

CVE-2022-27649 – podman: Default inheritable capabilities for linux container should be empty

https://notcve.org/view.php?id=CVE-2022-27649

04 Apr 2022 — A flaw was found in Podman, where containers were started incorrectly with non-empty default permissions. A vulnerability was found in Moby (Docker Engine), where containers were started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs. Se ha encontrado un fallo en Podman, donde los contenedores eran iniciados incorrectamente con per... • https://bugzilla.redhat.com/show_bug.cgi?id=2066568 • CWE-276: Incorrect Default Permissions •

CVE-2022-1011 – kernel: FUSE allows UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes

https://notcve.org/view.php?id=CVE-2022-1011

18 Mar 2022 — A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation. Se ha encontrado un fallo de uso después de libre en el sistema de archivos FUSE del kernel de Linux en la forma en que un usuario activa write(). Este defecto permite a un usuario local obtener acceso no autorizado a los datos del sistema de archivos FUSE, lo que resulta en una... • https://packetstorm.news/files/id/166772 • CWE-416: Use After Free •

CVE-2021-31566 – libarchive: symbolic links incorrectly followed when changing modes, times, ACL and flags of a file while extracting an archive

https://notcve.org/view.php?id=CVE-2021-31566

15 Mar 2022 — An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system. Un fallo de resolución de enlaces inapropiado puede ocurrir mientras es extraído un archivo que conlleva a un cambio de modos, tiempos, listas ... • https://access.redhat.com/security/cve/CVE-2021-31566 • CWE-59: Improper Link Resolution Before File Access ('Link Following') •

CVE-2021-23177 – libarchive: extracting a symlink with ACLs modifies ACLs of target

https://notcve.org/view.php?id=CVE-2021-23177

17 Feb 2022 — An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges. Un fallo de resolución de enlaces inapropiado mientras es extraído un archivo puede conllevar a un cambio de la lista de control de acceso (ACL)... • https://access.redhat.com/security/cve/CVE-2021-23177 • CWE-59: Improper Link Resolution Before File Access ('Link Following') •

CVE-2021-3744 – kernel: crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd()

https://notcve.org/view.php?id=CVE-2021-3744

11 Nov 2021 — A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808. Se ha encontrado un fallo de pérdida de memoria en el kernel de Linux en la función ccp_run_aes_gcm_cmd() en el archivo drivers/crypto/ccp/ccp-ops.c, que permite a atacantes causar una denegación de servicio (consumo de memoria). Esta vulnerabilidad es simi... • http://www.openwall.com/lists/oss-security/2021/09/14/1 • CWE-401: Missing Release of Memory after Effective Lifetime •

CVE-2021-3659 – kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c

https://notcve.org/view.php?id=CVE-2021-3659

10 Nov 2021 — A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability. Se ha encontrado un fallo de desreferencia de puntero NULL en el subsistema de red inalámbrica IEEE versión 802.15.4 del kernel de Linux en la forma en que el usuario cierra la conexión LR-WPAN. Este fallo permite a un usuario local... • https://access.redhat.com/security/cve/CVE-2021-3659 • CWE-252: Unchecked Return Value CWE-476: NULL Pointer Dereference •

CVE-2020-1045 – Microsoft ASP.NET Core Security Feature Bypass Vulnerability

https://notcve.org/view.php?id=CVE-2020-1045

08 Sep 2020 —

A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.

The ASP.NET Core cookie parser decodes entire cookie strings which could allow a malicious attacker to set a second cookie with the name being percent encoded.

The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names.

Se presenta una vulnerabilidad de omisión de la característica de seguridad en la manera en que Micro... • https://access.redhat.com/errata/RHSA-2020:3699 • CWE-807: Reliance on Untrusted Inputs in a Security Decision •

CVE-2020-9490 – httpd: Push diary crash on specifically crafted HTTP/2 header

https://notcve.org/view.php?id=CVE-2020-9490

07 Aug 2020 — Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring the HTTP/2 feature via "H2Push off" will mitigate this vulnerability for unpatched servers. Apache HTTP Server versiones 2.4.20 hasta 2.4.43.. Un valor especialmente diseñado para el encabezado "Cache-Digest" en una petición HTTP/2 resultaría en un bloqueo cuando el servidor realmente... • https://packetstorm.news/files/id/160392 • CWE-400: Uncontrolled Resource Consumption CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') •