
CVE-2021-3629 – undertow: potential security issue in flow control over HTTP/2 may lead to DOS
https://notcve.org/view.php?id=CVE-2021-3629
16 Nov 2021 — A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.Final. Se ha encontrado un fallo en Undertow. • https://bugzilla.redhat.com/show_bug.cgi?id=1977362 • CWE-400: Uncontrolled Resource Consumption •

CVE-2021-3717 – wildfly: incorrect JBOSS_LOCAL_USER challenge location may lead to giving access to all the local users
https://notcve.org/view.php?id=CVE-2021-3717
16 Nov 2021 — A flaw was found in Wildfly. An incorrect JBOSS_LOCAL_USER challenge location when using the elytron configuration may lead to JBOSS_LOCAL_USER access to all users on the machine. The highest threat from this vulnerability is to confidentiality, integrity, and availability. This flaw affects wildfly-core versions prior to 17.0. Se ha encontrado un fallo en Wildfly. • https://bugzilla.redhat.com/show_bug.cgi?id=1991305 • CWE-552: Files or Directories Accessible to External Parties •

CVE-2016-2124 – samba: SMB1 client connections can be downgraded to plaintext authentication
https://notcve.org/view.php?id=CVE-2016-2124
10 Nov 2021 — A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required. Se ha encontrado un fallo en la forma en que Samba implementa la autenticación SMB1. Un atacante podría usar este fallo para recuperar la contraseña en texto plano enviada a través del cable, incluso si es requerida la autenticación Kerberos Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client... • https://bugzilla.redhat.com/show_bug.cgi?id=2019660 • CWE-287: Improper Authentication •

CVE-2020-25717 – samba: Active Directory (AD) domain user could become root on domain members
https://notcve.org/view.php?id=CVE-2020-25717
10 Nov 2021 — A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation. Se encontró un fallo en la forma en que Samba mapea usuarios del dominio a usuarios locales. Un atacante autenticado podría usar este fallo para causar una posible escalada de privilegios Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client connections. A remote attacker could possibly use this issue to downgrade connections to plaintext... • https://bugzilla.redhat.com/show_bug.cgi?id=2019672 • CWE-20: Improper Input Validation •

CVE-2020-25719 – samba: Samba AD DC did not always rely on the SID and PAC in Kerberos tickets
https://notcve.org/view.php?id=CVE-2020-25719
10 Nov 2021 — A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise. Se encontró un fallo en la forma en que Samba, como controlador de dominio de Active Directory, implementaba la autenticación basada en nombres de Kerberos. El AD DC de Samba, pod... • https://bugzilla.redhat.com/show_bug.cgi?id=2019732 • CWE-287: Improper Authentication CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVE-2021-3575 – openjpeg: heap-buffer-overflow in color.c may lead to DoS or arbitrary code execution
https://notcve.org/view.php?id=CVE-2021-3575
10 Nov 2021 — A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a crafted .j2k file. An attacker could use this to execute arbitrary code with the permissions of the application compiled against openjpeg. Se encontró un desbordamiento de búfer en la región heap de la memoria en openjpeg en color.c:379:42 en sycc420_to_rgb cuando es descomprimido un archivo .j2k diseñado. Un atacante podría usar esto para ejecutar código arbitrario con los permisos de la aplicación c... • https://bugzilla.redhat.com/show_bug.cgi?id=1957616 • CWE-787: Out-of-bounds Write •

CVE-2021-3669 – kernel: reading /proc/sysvipc/shm does not scale with large shared memory segment counts
https://notcve.org/view.php?id=CVE-2021-3669
12 Oct 2021 — A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS. Se ha encontrado un fallo en el kernel de Linux. La medición del uso de la memoria compartida no escala con grandes recuentos de segmentos de memoria compartida, lo que podría conllevar a el agotamiento de recursos y el DoS. Red Hat Advanced Cluster Management for Kubernetes 2.5.0 images Red Hat Advanced Cluster Management for Kube... • https://access.redhat.com/security/cve/CVE-2021-3669 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVE-2021-3752 – kernel: possible use-after-free in bluetooth module
https://notcve.org/view.php?id=CVE-2021-3752
12 Oct 2021 — A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Se ha encontrado un fallo de uso de memoria previamente liberada en el subsistema Bluetooth del kernel de Linux en la forma en que las llamadas de usuario s... • https://bugzilla.redhat.com/show_bug.cgi?id=1999544 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-416: Use After Free •

CVE-2021-3733 – python: urllib: Regular expression DoS in AbstractBasicAuthHandler
https://notcve.org/view.php?id=CVE-2021-3733
17 Sep 2021 — There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client (such as web browser) connects to, could trigger a Regular Expression Denial of Service (ReDOS) during an authentication request with a specially crafted payload that is sent by the server to the client. The greatest threat that this flaw poses is to application availability. Se presenta un fallo en la clase AbstractBasicAuthHandler de urllib. Un atacante que controle un servidor H... • https://bugs.python.org/issue43075 • CWE-400: Uncontrolled Resource Consumption •

CVE-2021-3737 – python: urllib: HTTP client possible infinite loop on a 100 Continue response
https://notcve.org/view.php?id=CVE-2021-3737
17 Sep 2021 — A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability. Se ha encontrado un fallo en python. Una respuesta HTTP manejada inapropiadamente en el código del cliente HTTP de python puede permitir a un atacante remoto, que controle el servidor HTTP, hacer que el script del c... • https://bugs.python.org/issue44022 • CWE-400: Uncontrolled Resource Consumption CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •