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SecureWorks Security Advisory SWRX-2009-001 McAfee Network Security Manager Cross-Site Scripting (XSS) Vulnerability
Advisory Information Title: McAfee Network Security Manager Cross-Site Scripting (XSS) Vulnerability Advisory ID: SWRX-2009-001 Advisory URL: http://www.secureworks.com/ctu/advisories/SWRX-2009-001 Date published: Wednesday, November 11, 2009 CVE: CVE-2009-3565 CVSS v2 Base Score: 4.3 (Medium) (AV:N/AC:M/Au:N/C:N/I:P/A:N) Date of last update: Wednesday, November 11, 2009 Vendors contacted: McAfee, Inc. Release mode: Coordinated release Discovered by: Daniel King, SecureWorks
Summary McAfee Network Security Manager is vulnerable to cross-site scripting (XSS) caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using vulnerable parameters in a specially-crafted URL to execute script in a victim’s web browser within the security context of the Network Security Manager site.
Affected Products McAfee Network Security Manager (NSM), version 188.8.131.52 (default configuration). It is unknown which other versions, if any, are affected as of November 11, 2009.
Vendor Information, Solutions and Workarounds
McAfee has provided a new release to address this security flaw. Upgrade NSM software to NSM 184.108.40.206 or above, available for McAfee NSM clients at: https://secure.nai.com/apps/downloads/my_products/login.asp
More information is available from McAfee at: McAfee Security Bulletin SB10004 Intrushield NSM update fixes XSS flaw https://kc.mcafee.com/corporate/index?page=content&id=SB10004
Follow best practices of placing the security management console on a segregated management network. Apply restrictive, default-deny firewall policies to protect these assets from access by unauthorized users.
Do not perform administrative access of security management consoles from computers exposed to the Internet through web browsing, email, and other applications. Lock down and heavily monitor systems used to perform administrative tasks such as accessing security management consoles.
Details User-controllable input supplied by the “iaction” and “node” parameters to the “Login.jsp” page is not properly sanitized for invalid or malicious content prior to being returned to the user in dynamically generated web content. This condition may aid an attacker in retrieving session cookies, stealing recently submitted data, or launching further attacks.
SecureWorks Risk Scoring Likelihood: 2 – Best practice is to deploy the management console web application on a segmented management network. Impact: 5 – Control over security appliances managed by the management console.
CVSS Severity (version 2.0) Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism Access Complexity: Medium Authentication: Not required to exploit Impact Type: Allows unauthorized modification Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None Impact Subscore: 2.9 Exploitability Subscore: 8.6 CVSS v2 Base Score: 4.3 (Medium) (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Revision History 1.0 November 11, 2009 – Initial advisory release
PGP Keys This advisory has been signed with the PGP key of the SecureWorks Counter Threat Unit(SM), which is available for download at http://www.secureworks.com/contact/SecureWorksCTU.asc.
About the SecureWorks Counter Threat Unit(SM) Our expert team of threat researchers, also known as the SecureWorks Counter Threat Unit(SM), identifies and analyzes emerging threats and develops countermeasures, correlations and SOC processes to protect clients' critical information assets. The CTU frequently serves as an expert resource for the media, publishes technical analyses for the security community and speaks about emerging threats at security conferences. Leveraging our security technologies and a network of industry contacts, the CTU tracks leading hackers and analyzes anomalous activity, uncovering new attack techniques and threats. This process enables the CTU to identify threats as they emerge and develop countermeasures that protect our clients before damage occurs.
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