Multiple vulnerabilities including authorization bypass, DoS, arbitrary code execution and such other critical vulnerabilities were observed in various Cisco IOS and IOS XE devices in September 2020. To this, Cisco published a collated report of all 34 vulnerabilities as an advisory – ERP-74268. In its semi-annual report, published on Sept 24, 2020, Cisco released bundles … Continue reading “Cisco IOS and IOS XE Multiple Vulnerabilities”
Tag: Cisco
Cisco IOS XR DVMRP Memory Exhaustion Vulnerabilities
Cisco has released a security advisory on multiple memory exhaustion vulnerabilities in the Cisco IOS XR devices. These vulnerabilities allow an unauthenticated attacker to exhaust the process memory of an affected device. Vulnerabilities Description: Distance Vector Multicast Routing Protocol (DVMRP) is a protocol for multicast routing. The vulnerabilities exist in the DVMRP feature of Cisco … Continue reading “Cisco IOS XR DVMRP Memory Exhaustion Vulnerabilities”
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Path Traversal Vulnerability
On 22nd July 2020, Cisco published an high-severity advisory (CVE-2020-3452) with CVSS score of 7.5. Vulnerability Details Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software contains a vulnerability in web services that can allow unauthenticated, remote attackers to perform directory traversal attacks to read sensitive information on the system. The vulnerability … Continue reading “Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Path Traversal Vulnerability”
Cisco NX-OS IP-in-IP Information Disclosure vulnerability (CVE-2020-10136)
Summary: Multiple products such as Cisco, Digi, HP and such other were reported to be vulnerable to IP-in-IP packet processing vulnerability. CVE-2020-10136 and CWE-19 were assigned to the said vulnerability. Here we’ll share some information about the same for Cisco NX-OS devices. Description: An authentication is primary requirement to access this vulnerability. An unauthenticated attacker … Continue reading “Cisco NX-OS IP-in-IP Information Disclosure vulnerability (CVE-2020-10136)”
Cisco NX-OS CDP Stack Overflow Remote Code Execution Vulnerability(cisco-sa-20200205-nxos-cdp-rce,CVE-2020-3119)
Summary: A Stack overflow Vulnerability that leads to RCE was observed in Cisco NX-OS software and products. The vulnerability exists in the cdpd_poe_handle_pwr_tlvs function. Description: The Power Request TLV – a CDP TLV frame made for negotiation of Power-over-Ethernet parameters. The Power Request TLV contains a list of requested power specifications. The 16-bit list length … Continue reading “Cisco NX-OS CDP Stack Overflow Remote Code Execution Vulnerability(cisco-sa-20200205-nxos-cdp-rce,CVE-2020-3119)”
Kr00k Wi-Fi Vulnerability (CVE-2019-15126)
Summary: In last week of February,2020, after MSPT, a serious vulnerability in Wi-Fi chips, formally known as CVE-2019-15126., very well known as Kr00K in the wild. Krook was hot topic to be discussed in RSA conference 2020. Description: What is Kr00k? Krook is a vulnerability of the wireless egress packet implementation and processing of certain … Continue reading “Kr00k Wi-Fi Vulnerability (CVE-2019-15126)”
Cisco NX-OS Software Cisco Discovery Protocol Remote Code Execution Vulnerability (CVE-2020-3119)
Summary: Recently, multiple vulnerabilities were observed in Feb,2020 on Cisco’s various devices identified by researcher Barak Hadad of Armis. Out of which few were RCE, among which CVE-2020-3119 is one where an unauthenticated, adjacent attacker can arbitrary code execution. Description: Cisco switches, IP phones, routers and cameras information can be observed using this problematic protocol … Continue reading “Cisco NX-OS Software Cisco Discovery Protocol Remote Code Execution Vulnerability (CVE-2020-3119)”
Cisco RV110/RV130/RV215 Unauthenticated Configuration Export Vulnerability (CVE-2019-1663)
Summary: Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W Wireless-N Multifunction VPN Router, and Cisco RV215W Wireless-N VPN Router management interface are prone to an unauthenticated, remote code execution. Improper validation of user-supplied data in the web-based management interface is the vulnerability. Description: For Cisco RV110/RV130/RV215 ,the web-based management interface is available through a local LAN … Continue reading “Cisco RV110/RV130/RV215 Unauthenticated Configuration Export Vulnerability (CVE-2019-1663)”
Cisco Small Business Router Vulnerabilities
Two vulnerabilities have been disclosed in the Cisco’s Small Business Routers RV320 and RV325. CVE-2019-1652: Routers Command Injection Vulnerability A command injection vulnerability has been disclosed in Cisco Small Business routers RV320 and RV325 on firmware versions 1.4.2.15 through 1.4.2.19. CVE-2019-1652 has been assigned to track this vulnerability. An attacker can target this vulnerability by sending … Continue reading “Cisco Small Business Router Vulnerabilities”
Cisco ASA and Cisco FTD Software Denial of Service Vulnerability: CVE-2018-15454
A vulnerability in handling of Session Initiation Protocol (SIP) traffic by Cisco devices has been disclosed. CVE-2018-15454 has been assigned to track this vulnerability. Cisco has released advisory cisco-sa-20181031-asaftd-sip-dos to address this issue, it ha rated this issue as a high priority. The vulnerability affects a range of Cisco products if SIP inspection is enabled. … Continue reading “Cisco ASA and Cisco FTD Software Denial of Service Vulnerability: CVE-2018-15454”