Cisco Security Advisory
Click Icon to Copy Verbose Score
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:F/RL:U/RC:C
-
A vulnerability in the integration of the ActiveMQ component used in products based on Common Services could allow an unauthenticated, remote attacker to consume available memory and cause a denial of service (DoS) condition.
The vulnerability is due to improper handling of multiple TCP requests targeting some services. An attacker could exploit this vulnerability by opening several concurrent TCP sessions. A full TCP three-way handshake is needed to exploit this vulnerability. An exploit could allow the attacker to consume available memory, causing some processes to hang or crash.
Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
To exploit this vulnerability, it is likely that an attacker would need access to trusted, internal networks in which the targeted device may reside in order to send multiple TCP request to such device. This access requirement limits the likelihood of a successful exploit.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
-
Customers are advised to consult Cisco bug IDs CSCuh54766, CSCuh01267, CSCuh95976, and CSCuh95969 for the most complete list of affected product versions.
Vulnerable Products
At the time this alert was first published, the following Cisco products are affected:- Cisco Security Manager version 4.2 and prior
- Cisco Unified Operations Manager version 8.6 and prior
- Cisco Unified Service Monitor version 8.6 and prior
- Cisco Prime LAN Management Solution (LMS) version 4.2.3 and prior
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by these vulnerabilities.
-
Administrators are advised to contact the vendor regarding future updates and releases.
Administrators are advised to allow only trusted users to have network access.
Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.
To mitigate denial of service attacks, apply hardware rate limiter features to limit packets that require CPU processing. See vendor documentation for specific configuration instructions. For hardware rate limiting configuration details, see Cisco Catalyst 6500 Denial of Service (DoS) Protection Configuration Guide.
Administrators are advised to monitor affected systems.
-
Software updates are not available.
-
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
-
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
-
Show LessVersion Description Section Status Date 1.0 Initial Release NA Final 2013-Sep-12
-
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A stand-alone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy, and may lack important information or contain factual errors. The information in this document is intended for end-users of Cisco products.