Check Point Advisories

CA BrightStor ARCserve Backup Universal Agent Buffer Overflow (CVE-2005-1018)

Check Point Reference: CPAI-2005-226
Date Published: 5 Jan 2010
Severity: Critical
Last Updated: Thursday 12 November, 2015
Source:
Industry Reference:CVE-2005-1018
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Computer Associates (CA) BrightStor ARCserve Backup software offers data protection for distributed servers, clients, databases and applications. The CA backup servers are capable of backing up files as well as system settings. The backups are performed across a local network using the UniversalAgent component. This communication occurs over TCP and UDP port 6050 using a proprietary protocol. A vulnerability has been reported in a component of CA ARCserve/Enterprise Backup server products. The included Universal Agent Service application is prone to a buffer overflow when receiving a specially crafted request. This flaw may allow a malicious user to remotely inject and execute code on the vulnerable system with System level privileges. In case of a simple attack, aimed at creating a denial of service condition, an exception will be thrown. In case of a more sophisticated attack, where code injection and execution is successful, the behavior of the system is dependent on the intended function of the injected code. Any code injected into the vulnerable component would execute in the security context of the backup process, normally System.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the CA BrightStor ARCserve Backup Universal Agent Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  CA Products Enforcement Violation.
Attack Information:  CA BrightStor ARCserve Backup Universal Agent buffer overflow

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