PT-2011-24: Security Restrictions Bypassing in Arbor Peakflow X

(PT-2011-24) Positive Technologies Security Advisory
Security Restrictions Bypassing in Arbor Peakflow X

Vulnerable software

Arbor Peakflow X
Version: 4.2.3 and earlier


Severity level

Severity level: Medium
Impact: Security Restrictions Bypassing
Access Vector: Remote

CVSS v2:
Base Score: 6.8
Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:C)

CVE: CVE-2011-4637

Software description

The Arbor Networks Peakflow X solution (“Peakflow X”) was purpose-built to meet the demands of the largest enterprises, addressing a wide range of external and internal security threats while maintaining business continuity. It constructs a system-wide view of the entire network, auto-learning host behaviors to determine who talks to whom, and how.

Vulnerability description

The specialists of the Positive Research center have detected a Security Restrictions Bypassing vulnerability in Arbor Peakflow X.

Any user registered in the system can perform the following actions:
- Lock any system users with any privileges except the user "admin."
- Unlock any locked system users with any privileges except the user "admin."

The following users are registered in the system:
admin (default user), admin1, admin2 – in the group system_admin (administrators)
analyst1, analyst2 in the group system_analyst (analysts)
user1, user2 in the group system_user (users)
usernotgroup users who have the right only to enter CLI (login_cli)
Then, for example, the user usernotgroup can lock all other users except admin.

How to fix

Update your software up to the latest version

Advisory status

12.07.2011 - Vendor is notified
19.07.2011 - Vendor gets vulnerability details
02.03.2012 - Vendor releases fixed version and details
31.10.2013 - Public disclosure


The vulnerability was detected by Dmitriy Gutsko, Positive Research Center (Positive Technologies Company)


Reports on the vulnerabilities previously discovered by Positive Research:

About Positive Technologies

Positive Technologies is among the key players in the IT security market in Russia.

The principal activities of the company include the development of integrated tools for information security monitoring (MaxPatrol); providing IT security consulting services and technical support; development of the Securitylab leading Russian information security portal.

Among the clients of Positive Technologies, there are more than 40 state enterprises, more than 50 banks and financial organizations, 20 telecommunication companies, more than 40 plant facilities, as well as IT, service and retail companies from Russia, the CIS countries, the Baltic States, China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, Mexico, the Republic of South Africa, Thailand, Turkey, and the USA.

Positive Technologies is a team of highly skilled developers, advisers and experts with years of vast hands-on experience. The company specialists possess professional titles and certificates; they are the members of various international societies and are actively involved in the IT security field development.