
CVE-2019-1740 – Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities
https://notcve.org/view.php?id=CVE-2019-1740
27 Mar 2019 — A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability are due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, r... • http://www.securityfocus.com/bid/107597 • CWE-20: Improper Input Validation •

CVE-2019-1741 – Cisco IOS XE Software Encrypted Traffic Analytics Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2019-1741
27 Mar 2019 — A vulnerability in the Cisco Encrypted Traffic Analytics (ETA) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to a logic error that exists when handling a malformed incoming packet, leading to access to an internal data structure after it has been freed. An attacker could exploit this vulnerability by sending crafted, malformed IP packets to an affected device. A successful exploit could allow the attack... • http://www.securityfocus.com/bid/107614 • CWE-20: Improper Input Validation CWE-416: Use After Free •

CVE-2019-1739 – Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities
https://notcve.org/view.php?id=CVE-2019-1739
27 Mar 2019 — A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, re... • http://www.securityfocus.com/bid/107597 • CWE-20: Improper Input Validation •

CVE-2019-1738 – Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2019-1738
27 Mar 2019 — A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit these vulnerabilities by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload,... • http://www.securityfocus.com/bid/107597 • CWE-20: Improper Input Validation •

CVE-2019-1737 – Cisco IOS and IOS XE Software IP Service Level Agreement Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2019-1737
27 Mar 2019 — A vulnerability in the processing of IP Service Level Agreement (SLA) packets by Cisco IOS Software and Cisco IOS XE software could allow an unauthenticated, remote attacker to cause an interface wedge and an eventual denial of service (DoS) condition on the affected device. The vulnerability is due to improper socket resources handling in the IP SLA responder application code. An attacker could exploit this vulnerability by sending crafted IP SLA packets to an affected device. An exploit could allow the at... • http://www.securityfocus.com/bid/107604 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVE-2018-0197 – Cisco IOS and IOS XE Software VLAN Trunking Protocol Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2018-0197
05 Oct 2018 — A vulnerability in the VLAN Trunking Protocol (VTP) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to corrupt the internal VTP database on an affected device and cause a denial of service (DoS) condition. The vulnerability is due to a logic error in how the affected software handles a subset of VTP packets. An attacker could exploit this vulnerability by sending VTP packets in a sequence that triggers a timeout in the VTP message processing code o... • http://www.securityfocus.com/bid/105424 • CWE-20: Improper Input Validation •

CVE-2018-0466 – Cisco IOS and IOS XE Software OSPFv3 Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2018-0466
05 Oct 2018 — A vulnerability in the Open Shortest Path First version 3 (OSPFv3) implementation in Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload. The vulnerability is due to incorrect handling of specific OSPFv3 packets. An attacker could exploit this vulnerability by sending crafted OSPFv3 Link-State Advertisements (LSA) to an affected device. An exploit could allow the attacker to cause an affected device to reload, leading to a denial of service (... • http://www.securityfocus.com/bid/105403 • CWE-399: Resource Management Errors •

CVE-2018-0467 – Cisco IOS and IOS XE Software IPv6 Hop-by-Hop Options Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2018-0467
05 Oct 2018 — A vulnerability in the IPv6 processing code of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect handling of specific IPv6 hop-by-hop options. An attacker could exploit this vulnerability by sending a malicious IPv6 packet to or through the affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition on an affected device. Una vuln... • http://www.securitytracker.com/id/1041737 • CWE-20: Improper Input Validation •

CVE-2018-0469 – Cisco IOS XE Software Web UI Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2018-0469
05 Oct 2018 — A vulnerability in the web user interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a double-free-in-memory handling by the affected software when specific HTTP requests are processed. An attacker could exploit this vulnerability by sending specific HTTP requests to the web user interface of the affected software. A successful exploit could allow the attacker to cause the affected device to reload, resulting in... • http://www.securityfocus.com/bid/105423 • CWE-415: Double Free •

CVE-2018-0470 – Cisco IOS XE Software HTTP Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2018-0470
05 Oct 2018 — A vulnerability in the web framework of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a buffer overflow condition on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the affected software improperly parsing malformed HTTP packets that are destined to a device. An attacker could exploit this vulnerability by sending a malformed HTTP packet to an affected device for processing. A successful exploit could allow the attacker to ca... • http://www.securityfocus.com/bid/105397 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-399: Resource Management Errors •