Cisco FXOS and NX-OS Software Simple Network Management Protocol Denial of Service Vulnerability
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-snmp-dos?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20FXOS%20and%20NX-OS%20Software%20Simple%20Network%20Management%20Protocol%20Denial%20of%20Service%20Vulnerability&vs_k=1
A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the SNMP application to leak system memory, which could cause an affected device to restart unexpectedly.
The vulnerability is due to improper error handling when processing inbound SNMP packets. An attacker could exploit this vulnerability by sending multiple crafted SNMP packets to an affected device. A successful exploit could allow the attacker to cause the SNMP application to leak system memory because of an improperly handled error condition during packet processing. Over time, this memory leak could cause the SNMP application to restart multiple times, leading to a system-level restart and a denial of service (DoS) condition.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-snmp-dos
Security Impact Rating: High
CVE: CVE-2019-1858
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-snmp-dos?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20FXOS%20and%20NX-OS%20Software%20Simple%20Network%20Management%20Protocol%20Denial%20of%20Service%20Vulnerability&vs_k=1
A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the SNMP application to leak system memory, which could cause an affected device to restart unexpectedly.
The vulnerability is due to improper error handling when processing inbound SNMP packets. An attacker could exploit this vulnerability by sending multiple crafted SNMP packets to an affected device. A successful exploit could allow the attacker to cause the SNMP application to leak system memory because of an improperly handled error condition during packet processing. Over time, this memory leak could cause the SNMP application to restart multiple times, leading to a system-level restart and a denial of service (DoS) condition.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-snmp-dos
Security Impact Rating: High
CVE: CVE-2019-1858
Cisco
Cisco Security Advisory: Cisco FXOS and NX-OS Software Simple Network Management Protocol Denial of Service Vulnerability
A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the SNMP application to leak system memory, which could cause…
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https://esgeeks.com/evilnet-ataque-red-wifi-vlan-arp-mac/?feed_id=259&_unique_id=5effde9f42340
https://esgeeks.com/evilnet-ataque-red-wifi-vlan-arp-mac/?feed_id=259&_unique_id=5effde9f42340
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https://github.com/complexorganizations/wireguard-manager?_unique_id=60f4c14e437b0
https://github.com/complexorganizations/wireguard-manager?_unique_id=60f4c14e437b0
GitHub
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https://portswigger.net/daily-swig/rce-vulnerability-in-cloudflare-cdn-could-have-allowed-complete-compromise-of-websites
https://portswigger.net/daily-swig/rce-vulnerability-in-cloudflare-cdn-could-have-allowed-complete-compromise-of-websites
The Daily Swig | Cybersecurity news and views
RCE vulnerability in Cloudflare CDN could have allowed complete compromise of websites
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