CVSS: 7.5EPSS: 0%CPEs: 15EXPL: 1CVE-2021-3690 – undertow: buffer leak on incoming websocket PONG message may lead to DoS
https://notcve.org/view.php?id=CVE-2021-3690
A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability. Se ha encontrado un fallo en Undertow. • https://access.redhat.com/security/cve/CVE-2021-3690 https://bugzilla.redhat.com/show_bug.cgi?id=1991299 https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877 https://issues.redhat.com/browse/UNDERTOW-1935 • CWE-400: Uncontrolled Resource Consumption CWE-401: Missing Release of Memory after Effective Lifetime •
CVSS: 9.3EPSS: 0%CPEs: 13EXPL: 0CVE-2021-3621 – sssd: shell command injection in sssctl
https://notcve.org/view.php?id=CVE-2021-3621
A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Se encontró un fallo en SSSD, donde el comando sssctl era vulnerable a la inyección de comandos de shell por medio de los subcomandos logs-fetch y cache-expire. Este fallo permite a un atacante engañar al usuario root para que ejecute un comando sssctl especialmente diseñado, por ejemplo por medio de sudo, para conseguir acceso de root. • https://bugzilla.redhat.com/show_bug.cgi?id=1975142 https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html https://sssd.io/release-notes/sssd-2.6.0.html https://access.redhat.com/security/cve/CVE-2021-3621 • 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: 6.5EPSS: 0%CPEs: 10EXPL: 0CVE-2021-3677 – postgresql: memory disclosure in certain queries
https://notcve.org/view.php?id=CVE-2021-3677
A flaw was found in postgresql. A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0, the known versions of this attack are infeasible. • https://bugzilla.redhat.com/show_bug.cgi?id=2001857 https://security.gentoo.org/glsa/202211-04 https://security.netapp.com/advisory/ntap-20220407-0008 https://www.postgresql.org/support/security/CVE-2021-3677 https://access.redhat.com/security/cve/CVE-2021-3677 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 4.9EPSS: 0%CPEs: 11EXPL: 0CVE-2021-3635 – kernel: flowtable list del corruption with kernel BUG at lib/list_debug.c:50
https://notcve.org/view.php?id=CVE-2021-3635
A flaw was found in the Linux kernel netfilter implementation in versions prior to 5.5-rc7. A user with root (CAP_SYS_ADMIN) access is able to panic the system when issuing netfilter netflow commands. Se ha detectado un fallo en la implementación del netfilter del kernel de Linux en versiones anteriores a 5.5-rc7. Un usuario con acceso de root (CAP_SYS_ADMIN) es capaz de hacer entrar en pánico al sistema cuando emite comandos netfilter netflow. A flaw was found in the Linux kernel netfilter implementation. • https://bugzilla.redhat.com/show_bug.cgi?id=1976946 https://access.redhat.com/security/cve/CVE-2021-3635 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 9.8EPSS: 0%CPEs: 5EXPL: 0CVE-2021-20314
https://notcve.org/view.php?id=CVE-2021-20314
Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages. Un desbordamiento del búfer de la pila en libspf2 versiones por debajo a 1.2.11, cuando se procesan determinadas macros SPF puede conllevar a una Denegación de servicio y, potencialmente, una ejecución de código por medio de mensajes de explicación SPF diseñados de forma maliciosa • https://bugzilla.redhat.com/show_bug.cgi?id=1993070 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMSFT2NJDZ7PATRZSQPAOGSE7JD6ELOB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GFXJRHPE5OSCPTNA3ZZ4ORDHT4JQH3Y4 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y6T4HYXXSUQCGJB2ES6X7Q74YYF7V7XU https://security.gentoo.org/glsa/202401-22 • CWE-787: Out-of-bounds Write •