CVE-2020-27827 – lldp/openvswitch: denial of service via externally triggered memory leak
https://notcve.org/view.php?id=CVE-2020-27827
A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability. Se encontró un fallo en múltiples versiones de OpenvSwitch. Los paquetes LLDP especialmente diseñados pueden causar que una memoria se pierda cuando se asignan datos para manejar TLV opcionales específicos, potencialmente causando una denegación de servicio. • https://bugzilla.redhat.com/show_bug.cgi?id=1921438 https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D https://mail.openvswitch.org/pipermail/ovs-dev/2021 • CWE-400: Uncontrolled Resource Consumption •
CVE-2019-6568
https://notcve.org/view.php?id=CVE-2019-6568
The webserver of the affected devices contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation which leads to a restart of the webserver of the affected device. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the device. SIPLUS), paneles exteriores SIMATIC HMI Comfort de 7" y 15" (incl. variantes SIPLUS), paneles SIMATIC HMI Comfort de 4" - 22" (incl. variantes SIPLUS), paneles SIMATIC ET 200SP Open Controller CPU 1515SP PC SIPLUS), paneles móviles SIMATIC HMI KTP KTP400F, KTP700, KTP700F, KTP900 y KTP900F, SIMATIC IPC DiagMonitor, SIMATIC RF182C, SIMATIC RF185C, SIMATIC RF186C, SIMATIC RF188C, familia SIMATIC RF600R, familia de CPUs SIMATIC S7-1500 (incl. • https://cert-portal.siemens.com/productcert/pdf/ssa-480230.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-530931.pdf • CWE-125: Out-of-bounds Read •
CVE-2018-13816
https://notcve.org/view.php?id=CVE-2018-13816
A vulnerability has been identified in TIM 1531 IRC (All version < V2.0). The devices was missing proper authentication on port 102/tcp, although configured. Successful exploitation requires an attacker to be able to send packets to port 102/tcp of the affected device. No user interaction and no user privileges are required to exploit the vulnerability. At the time of advisory publication no public exploitation of this vulnerability was known. • http://www.securityfocus.com/bid/106194 https://cert-portal.siemens.com/productcert/pdf/ssa-982399.pdf • CWE-284: Improper Access Control CWE-287: Improper Authentication •