Cisco Warns of Critical Flaws in Nexus Switches

Cisco Systems released several critical software patches this week for its Nexus 7000-series switches and its NX-OS software. The vulnerabilities can allow remote access to systems, enabling a hacker to execute code or commands on targeted devices. According to Wednesday’s Cisco Security Advisory...

CVE-2016-1453

Buffer overflow in the Overlay Transport Virtualization OTV GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701...

Buffer overflow

Buffer overflow in the Overlay Transport Virtualization OTV GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701...

CVE-2016-1453

Buffer overflow in the Overlay Transport Virtualization OTV GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701...

Cisco Nexus 7000 and 7700 Series Switches Overlay Transport Virtualization Buffer Overflow Vulnerability

A vulnerability in the Overlay Transport Virtualization OTV generic routing encapsulation GRE implementation of the Cisco Nexus 7000 and 7700 Series Switches could allow an unauthenticated, adjacent attacker to cause a reload of the affected system or to remotely execute code. The vulnerability i...

OTV - Customized SSL, Dangerous filesystem permissions, WebView code execution vulnerabilities

HackApp vulnerability scanner discovered that application OTV published at the 'play' market has multiple vulnerabilities...

CVE-2015-0710

The Overlay Transport Virtualization OTV implementation in Cisco IOS XE 3.10S allows remote attackers to cause a denial of service device reload via a series of packets that are considered oversized and trigger improper fragmentation handling, aka Bug IDs CSCup37676 and CSCup30335...

Input validation

The Overlay Transport Virtualization OTV implementation in Cisco IOS XE 3.10S allows remote attackers to cause a denial of service device reload via a series of packets that are considered oversized and trigger improper fragmentation handling, aka Bug IDs CSCup37676 and CSCup30335...

CVE-2015-0710

Cisco IOS XE Software OTV DoS vulnerability (CVE-2015-0710) affects the Overlay Transport Virtualization (OTV) processing in IOS XE 3.10S. The root cause is improper handling of oversized OTV frames that require fragmentation/reassembly. An unauthenticated, adjacent attacker can send a flood of o...

Cisco IOS XE Software OTV Processing Code Denial of Service Vulnerability

A vulnerability in the Overlay Transport Virtualization OTV processing code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a reload of the affected device. The vulnerability is due to improper processing of oversized OTV frames passing through an affected...

CVE-2013-1122

Cisco NX-OS on the Nexus 7000, when a certain Overlay Transport Virtualization OTV configuration is used, allows remote attackers to cause a denial of service M1-Series module reload via crafted packets, aka Bug ID CSCud15673...

CVE-2013-1122

Cisco NX-OS on Cisco Nexus 7000 switches is affected when a specific Overlay Transport Virtualization (OTV) configuration is used. The vulnerability arises from incorrect handling of crafted packets, enabling a remote attacker to cause a denial of service by forcing the M1-Series module to reload...