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CVE-2020-15897
https://notcve.org/view.php?id=CVE-2020-15897
26 Oct 2020 — Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause traffic loss or incorrect forwarding of traffic via a malformed link-state PDU to the IS-IS router. Arista EOS versiones anteriores a 4.21.12M, versiones 4.22.x anteriores a 4.22.7M, versiones 4.23.x anteriores a 4.23.5M y versiones 4.24.x anteriores a 4.24.2F, permite a atacantes remotos causar pérdida de tráfico o reenvío incorrecto de tráfico por medio de una PDU de estado ... • https://www.arista.com/en/support/advisories-notices/security-advisories/11760-security-advisory-54 •
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CVE-2020-17355
https://notcve.org/view.php?id=CVE-2020-17355
21 Oct 2020 — Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause a denial of service (restart of agents) by crafting a malformed DHCP packet which leads to an incorrect route being installed. Arista EOS versiones anteriores a 4.21.12M, 4.22.x versiones anteriores a 4.22.7M, 4.23.x versiones anteriores a 4.23.5M y 4.24.x versiones anteriores a 4.24.2F, permite a atacantes remotos causar una denegación de servicio (reinicio de agentes) por me... • https://www.arista.com/en/support/advisories-notices/security-advisories/11759-security-advisory-53 •
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CVE-2019-18948
https://notcve.org/view.php?id=CVE-2019-18948
16 Apr 2020 — An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases in the 4.23.x train, and all releases in 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 code train. Se encontró un problema en Arista EOS. • https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47 •
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CVE-2020-10188 – telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code
https://notcve.org/view.php?id=CVE-2020-10188
06 Mar 2020 — utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the netclear and nextitem functions. El archivo utility.c en telnetd en netkit telnet versiones hasta 0.17, permite a atacantes remotos ejecutar código arbitrario por medio de escrituras cortas o datos urgentes, debido a un desbordamiento del búfer que involucra a las funciones netclear y nextitem. A vulnerability was found where incorre... • https://appgateresearch.blogspot.com/2020/02/bravestarr-fedora-31-netkit-telnetd_28.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
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CVE-2019-17596 – golang: invalid public key causes panic in dsa.Verify
https://notcve.org/view.php?id=CVE-2019-17596
24 Oct 2019 — Go before 1.12.11 and 1.3.x before 1.13.2 can panic upon an attempt to process network traffic containing an invalid DSA public key. There are several attack scenarios, such as traffic from a client to a server that verifies client certificates. Go versiones anteriores a 1.12.11 y versiones 1.3.x anteriores a 1.13.2, puede entrar en pánico tras intentar procesar el tráfico de red que contiene una clave pública DSA no válida. Existen varios escenarios de ataque, tal y como el tráfico de un cliente hacia un s... • https://github.com/pquerna/poc-dsa-verify-CVE-2019-17596 • CWE-295: Improper Certificate Validation CWE-436: Interpretation Conflict •