Cisco Identity Services Engine 3.1

Cisco Identity Services Engine Authentication Bypass Vulnerability

A vulnerability in the web-based management interface of Cisco Identity Services Engine could allow an authenticated, remote attacker to inject arbitrary commands on the underlying operating system. This vulnerability is due to improper validation of user input within requests as part of the web-based management interface. An attacker could exploit this vulnerability by manipulating requests to the web-based management interface to contain operating system commands. A successful exploit could allow the attacker to execute arbitrary operating system commands on the underlying operating system with the privileges of the web services user. Cisco has not yet released software updates that address this vulnerability.

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to bypass authorization and access system files. This vulnerability is due to improper access control in the web-based management interface of an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to list, download, and delete certain files that they should not have access to. Cisco plans to release software updates that address this vulnerability. https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-access-contol-EeufSUCx ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-access-contol-EeufSUCx"]

A vulnerability in the Localdisk Management feature of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to make unauthorized changes to the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted HTTP request with absolute path sequences. A successful exploit could allow the attacker to upload malicious files to arbitrary locations within the file system. Using this method, it is possible to access the underlying operating system and execute commands with system privileges.

A vulnerability in the web-based management interface of Cisco Identity Services Engine could allow an authenticated, remote attacker to upload malicious files to the web root of the application. This vulnerability is due to insufficient file input validation. An attacker could exploit this vulnerability by uploading a malicious file to the web interface. A successful exploit could allow the attacker to replace files and gain access to sensitive server-side information.

A vulnerability in a specific Cisco ISE CLI command could allow an authenticated, local attacker to perform command injection attacks on the underlying operating system and elevate privileges to root. To exploit this vulnerability, an attacker must have valid Read-only-level privileges or higher on the affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted CLI command. A successful exploit could allow the attacker to elevate privileges to root.

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on an affected device. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to follow a crafted link. A successful exploit could allow the attacker to perform arbitrary actions on the affected device with the privileges of the target user.

Cisco Identity Services Engine RADIUS Service Denial of Service Vulnerability

A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause the affected system to stop processing RADIUS packets. This vulnerability is due to improper handling of certain RADIUS accounting requests. An attacker could exploit this vulnerability by sending a crafted authentication request to a network access device (NAD) that uses Cisco ISE for authentication, authorization, and accounting (AAA). This would eventually result in the NAD sending a RADIUS accounting request packet to Cisco ISE. An attacker could also exploit this vulnerability by sending a crafted RADIUS accounting request packet to Cisco ISE directly if the RADIUS shared secret is known. A successful exploit could allow the attacker to cause the RADIUS process to unexpectedly restart, resulting in authentication or authorization timeouts and denying legitimate users access to the network or service. Clients already authenticated to the network would not be affected. Note: To recover the ability to process RADIUS packets, a manual restart of the affected Policy Service Node (PSN) may be required. For more information, see the Details ["#details"] section of this advisory.

Cisco Identity Services Engine Unauthorized File Access Vulnerability

Cisco Identity Services Engine Command Injection Vulnerabilities

Cisco Identity Services Engine Command Injection Vulnerabilities

Two vulnerabilities in Cisco ISE could allow an authenticated, remote attacker to upload arbitrary files to an affected device. To exploit these vulnerabilities, an attacker must have valid Administrator credentials on the affected device. These vulnerabilities are due to improper validation of files that are uploaded to the web-based management interface. An attacker could exploit these vulnerabilities by uploading a crafted file to an affected device. A successful exploit could allow the attacker to store malicious files in specific directories on the device. The attacker could later use those files to conduct additional attacks, including executing arbitrary code on the affected device with root privileges.

Two vulnerabilities in Cisco ISE could allow an authenticated, remote attacker to upload arbitrary files to an affected device. To exploit these vulnerabilities, an attacker must have valid Administrator credentials on the affected device. These vulnerabilities are due to improper validation of files that are uploaded to the web-based management interface. An attacker could exploit these vulnerabilities by uploading a crafted file to an affected device. A successful exploit could allow the attacker to store malicious files in specific directories on the device. The attacker could later use those files to conduct additional attacks, including executing arbitrary code on the affected device with root privileges.

Cisco Identity Services Engine Sensitive Information Disclosure Vulnerability

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to access sensitive information. This vulnerability is due to the improper storage of sensitive information within the web-based management interface. An attacker could exploit this vulnerability by logging in to the web-based management interface and viewing hidden fields within the application. A successful exploit could allow the attacker to access sensitive information, including device entry credentials, that could aid the attacker in further attacks.

Cisco Identity Services Engine Arbitrary File Delete and File Read Vulnerabilities

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

Cisco Identity Services Engine Path Traversal Vulnerabilities

A vulnerability in the web-based management interface of Cisco Identity Services Engine could allow an authenticated, remote attacker to conduct cross-site scripting attacks against other users of the application web-based management interface. This vulnerability is due to improper validation of input to an application feature before storage within the web-based management interface. An attacker could exploit this vulnerability by creating entries within the application interface that contain malicious HTML or script code. A successful exploit could allow the attacker to store malicious HTML or script code within the application interface for use in further cross-site scripting attacks. Cisco has not yet released software updates that address this vulnerability.

A vulnerability in the web-based management interface of Cisco Identity Services Engine could allow an authenticated, remote attacker to take privileges actions within the web-based management interface. This vulnerability is due to improper access control on a feature within the web-based management interface of the affected system. An attacker could exploit this vulnerability by accessing features through direct requests, bypassing checks within the application. A successful exploit could allow the attacker to take privileged actions within the web-based management interface that should be otherwise restricted. {{value}} ["%7b%7bvalue%7d%7d"])}]]

A vulnerability in the web-based management interface of Cisco Identity Services Engine could allow an authenticated, remote attacker to conduct cross-site scripting attacks against other users of the application web-based management interface. This vulnerability is due to improper validation of input to an application feature before storage within the web-based management interface. An attacker could exploit this vulnerability by creating entries within the application interface that contain malicious HTML or script code. A successful exploit could allow the attacker to store malicious HTML or script code within the application interface for use in further cross-site scripting attacks. Cisco has not yet released software updates that address this vulnerability.

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected device. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit this vulnerability, the attacker would need valid credentials to access the web-based management interface of an affected device.

Cisco Identity Services Engine Arbitrary File Delete and File Read Vulnerabilities

Cisco Identity Services Engine Arbitrary File Delete and File Read Vulnerabilities

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to perform a stored cross-site scripting (XSS) attack against a user of the interface on an affected device. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

A vulnerability in a feature that monitors RADIUS requests on Cisco Identity Services Engine (ISE) Software could allow an unauthenticated, remote attacker to negatively affect the performance of an affected device. This vulnerability is due to insufficient management of system resources. An attacker could exploit this vulnerability by taking actions that cause Cisco ISE Software to receive specific RADIUS traffic. A successful and sustained exploit of this vulnerability could allow the attacker to cause reduced performance of the affected device, resulting in significant delays to RADIUS authentications. There are workarounds that address this vulnerability.

Cisco Identity Services Engine Sensitive Information Disclosure Vulnerability

Cisco Identity Services Engine XML External Entity Injection Vulnerabilities

Cisco Identity Services Engine XML External Entity Injection Vulnerabilities

A vulnerability in the ERS API of Cisco ISE could allow an authenticated, remote attacker to read arbitrary files on the underlying operating system of an affected device. To exploit this vulnerability, an attacker must have valid Administrator-level privileges on the affected device. This vulnerability is due to improper privilege management in the ERS API. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to elevate their privileges beyond the sphere of their intended access level, which would allow them to obtain sensitive information from the underlying operating system. Note: The ERS is not enabled by default. To verify the status of the ERS API in the Admin GUI, choose Administration > Settings > API Settings > API Service Settings.

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to conduct an XSS attack against a user of the web-based management interface of an affected device.

A vulnerability in the CDP processing feature of Cisco ISE could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of the CDP process on an affected device. This vulnerability is due to insufficient bounds checking when an affected device processes CDP traffic. An attacker could exploit this vulnerability by sending crafted CDP traffic to the device. A successful exploit could cause the CDP process to crash, impacting neighbor discovery and the ability of Cisco ISE to determine the reachability of remote devices. After a crash, the CDP process must be manually restarted using the cdp enable command in interface configuration mode.