CVSS: 8.1EPSS: 0%CPEs: 2EXPL: 0CVE-2018-15372 – Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2018-15372
A vulnerability in the MACsec Key Agreement (MKA) using Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) functionality of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to bypass authentication and pass traffic through a Layer 3 interface of an affected device. The vulnerability is due to a logic error in the affected software. An attacker could exploit this vulnerability by connecting to and passing traffic through a Layer 3 interface of an affected device, if the interface is configured for MACsec MKA using EAP-TLS and is running in access-session closed mode. A successful exploit could allow the attacker to bypass 802.1x network access controls and gain access to the network. Una vulnerabilidad en la funcionalidad MACsec Key Agreement (MKA) empleando Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) de Cisco IOS XE Software podría permitir que un atacante adyacente sin autenticar omita la autenticación y pase tráfico a través de una interfaz Layer 3 de un dispositivo afectado. • http://www.securityfocus.com/bid/105416 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-macsec • CWE-284: Improper Access Control •
CVSS: 7.4EPSS: 0%CPEs: 2EXPL: 0CVE-2018-15373 – Cisco IOS and IOS XE Software Cisco Discovery Protocol Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2018-15373
A vulnerability in the implementation of Cisco Discovery Protocol functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to exhaust memory on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper memory handling by the affected software when the software processes high rates of Cisco Discovery Protocol packets that are sent to a device. An attacker could exploit this vulnerability by sending a high rate of Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to exhaust memory on the affected device, resulting in a DoS condition. Una vulnerabilidad en la implementación de la funcionalidad Cisco Discovery Protocol en Cisco IOS Software y Cisco IOS XE Software podría permitir que un atacante adyacente sin autenticar agote la memoria de un dispositivo afectado, provocando una denegación de servicio (DoS) en consecuencia. • http://www.securityfocus.com/bid/105413 https://ics-cert.us-cert.gov/advisories/ICSA-19-094-03 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-cdp-dos • CWE-399: Resource Management Errors CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 7.2EPSS: 0%CPEs: 1EXPL: 0CVE-2018-15374 – Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2018-15374
A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software images and files that are uploaded to a device. An attacker could exploit this vulnerability by uploading a malicious software image or file to an affected device. A successful exploit could allow the attacker to bypass digital signature verification checks for software images and files and install a malicious software image or file on the affected device. Una vulnerabilidad en la funcionalidad de verificación de imágenes de Cisco IOS XE Software podría permitir que un atacante local autenticado instale una imagen o archivo de software malicioso en un dispositivo afectado. • http://www.securityfocus.com/bid/105415 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-digsig • CWE-347: Improper Verification of Cryptographic Signature •
CVSS: 5.9EPSS: 0%CPEs: 2EXPL: 0CVE-2018-0131
https://notcve.org/view.php?id=CVE-2018-0131
A vulnerability in the implementation of RSA-encrypted nonces in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to obtain the encrypted nonces of an Internet Key Exchange Version 1 (IKEv1) session. The vulnerability exists because the affected software responds incorrectly to decryption failures. An attacker could exploit this vulnerability sending crafted ciphertexts to a device configured with IKEv1 that uses RSA-encrypted nonces. A successful exploit could allow the attacker to obtain the encrypted nonces. Cisco Bug IDs: CSCve77140. • http://www.securityfocus.com/bid/105074 http://www.securitytracker.com/id/1041539 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180813-rsa-nonce • CWE-326: Inadequate Encryption Strength •
CVSS: 9.8EPSS: 4%CPEs: 2EXPL: 0CVE-2018-0315
https://notcve.org/view.php?id=CVE-2018-0315
A vulnerability in the authentication, authorization, and accounting (AAA) security services of Cisco IOS XE Software could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device or cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect memory operations that the affected software performs when the software parses a username during login authentication. An attacker could exploit this vulnerability by attempting to authenticate to an affected device. A successful exploit could allow the attacker to execute arbitrary code on the affected device or cause the affected device to reload, resulting in a DoS condition. This vulnerability affects Cisco devices that are running Cisco IOS XE Software Release Fuji 16.7.1 or Fuji 16.8.1 and are configured to use AAA for login authentication. • http://www.securityfocus.com/bid/104410 http://www.securitytracker.com/id/1041086 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-aaa • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •